COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
COD Above ₹200
Get 5% Discount On First Order
Free Shipping on order above Rs. 1000
- All categories
- Cables
- Components
- Connector
- Drone Parts
- Laptop Parts
- Printer Parts
- Repairing Tools
Main menu
-
All Categories
- All Categories
-
Printer Parts
-
Cables
-
IT Accessories
-
Laptop Parts
-
Toner Parts
-
Tools
-
Drone Parts
-
Components
- Components
-
Cap and Knob
-
Prototyping & Testing
-
Power Supplies
-
Circuit Protection
-
LEDs and Display
-
Passive Component
-
Active Component
-
Embedded Solutions
-
Switches
-
Connectors
- Connectors
- Audio & Video Connector
- Battery Holder
- Berg 2.5mm
- Board to Board
- D-Sub
- FFC/FPC
- FRC/IDC
- GX Circular
- Header Strips
- IC & Card Sockets
- JST Connectors
- Modular Connectors
- PCB Power Connectors
- AC/DC Power Connectors
- RF Antenna
- SATA Connector
- USB Connectors
- Waterproof Connectors
- Wire Terminal Connectors
-
Hardware
-
Drone Parts
- Drone Parts
-
Drone Parts
-
Drone Boards
-
Drone Accessories
-
Cables
- Cables
-
Computer Cables
-
Data Networking Cables
-
Flat Cable
-
Printer Parts
- Printer Parts
-
Pickup Parts
-
InkJet Parts
-
Fuser Parts
-
Printer Supplies
-
Toner Parts
-
Tools
Your cart
Choose your Location
-
Okhla
Free
Usually ready for pickup in 2 hours
Partsbaba Venture Pvt. Ltd.
E-49/7, Pocket D, Okhla Phase II, Okhla Industrial Estate, New Delhi, Delhi 110020
Capacitor
142 products
142 products
Sort by:
- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
- Price, low to high
- Price, high to low
- Date, old to new
- Date, new to old
From ₹ 29.00
The 100uF 63V 8mm Samwha capacitor is a reliable electronic component designed for efficient energy storage and filtering in electronic circuits. With a voltage rating of 63 volts and a capacitance of 100 microfarads, it supports stable performance in a variety of applications including power supply smoothing and signal coupling. Its 8mm size ensures compatibility with numerous circuit designs where space and reliability are critical.
- High capacitance of 100uF provides effective energy storage for smoothing voltage fluctuations
- Voltage rating of 63V ensures safe operation under moderate electrical loads
- Compact 8mm diameter fits easily into space-constrained circuit boards
- Manufactured by Samwha, a trusted brand known for quality electronic components
- Ideal for use in power supply circuits, audio equipment, and general electronic devices
- Durable construction supports long-term stability and reliable performance
From ₹ 27.00
The 100uF 50V 8mm capacitor by Samwha is a reliable electronic component designed for various circuit applications requiring stable capacitance. With a voltage rating of 50 volts and a compact 8mm size, it delivers consistent performance in filtering, smoothing, and energy storage tasks. This capacitor is compatible with standard electronic assemblies and is suitable for use in power supplies, signal processing, and electronic repair projects that demand durability and precision.
- 100 microfarads capacitance ensures effective energy storage and voltage stabilization in circuits.
- 50 volts rated voltage accommodates moderate voltage levels typical in consumer electronics and industrial devices.
- 8mm diameter offers a compact form factor suitable for tight circuit board layouts.
- Constructed by Samwha, a trusted manufacturer known for quality electronic components.
- Ideal for use in power supply filtering, noise reduction, and general-purpose electronic circuits.
- Designed for long-lasting performance with stable capacitance over its operating life.
From ₹ 34.00
The 100uF 35V 6.3x7.7mm SMD Electrolytic Capacitor is designed for reliable performance in compact electronic circuits. Its surface-mount design and moderate voltage rating make it ideal for smoothing and filtering applications in consumer electronics, power supplies, and signal processing. This capacitor offers stable capacitance with a compact footprint, compatible with automated PCB assembly processes where space-saving and efficiency are essential.
- 100 microfarad capacitance ensures effective energy storage and filtering capabilities for various electronic devices.
- 35-volt rating supports moderate voltage applications, making it versatile for multiple circuit designs.
- Compact 6.3x7.7mm size fits tight spaces on printed circuit boards without compromising performance.
- Surface-mount technology (SMD) facilitates automated assembly and enhances circuit reliability.
- Electrolytic construction provides high capacitance-to-volume ratio, suitable for power smoothing and decoupling.
- Compatible with standard industrial manufacturing processes, ensuring seamless integration.
- Durable design maintains consistent performance under typical operating conditions.
From ₹ 22.00
The 100uF 35V 6.3mm capacitor by Samwha is a compact electronic component ideal for filtering and energy storage in circuits. Designed for a voltage rating of 35 volts and a capacitance of 100 microfarads, this capacitor is built to support stable performance in various electronic assemblies. Its 6.3mm diameter ensures compatibility with tight PCB layouts, making it suitable for consumer electronics, industrial equipment, and other applications requiring reliable voltage smoothing.
- 100 microfarads capacitance offers efficient energy storage and filtering capabilities.
- 35 volts voltage rating supports stable operation in moderate voltage circuits.
- 6.3mm diameter size fits compact printed circuit board designs with space constraints.
- Manufactured by Samwha, ensuring quality and consistent performance.
- Ideal for use in power supplies, audio devices, and electronic control systems.
- Provides dependable capacitance stability under typical operating conditions.
From ₹ 33.00
The 100uF 25V 6.3x7.7mm SMD Electrolytic capacitor is a compact surface-mount component designed for electronic circuits requiring stable capacitance and voltage handling. This capacitor delivers reliable performance in filtering, smoothing, and energy storage applications, making it suitable for a wide range of electronic devices and assemblies. Its 25V rating ensures compatibility with low-voltage systems, while the 6.3x7.7mm size fits efficiently on densely populated circuit boards, supporting modern miniaturized designs.
- 100 microfarads capacitance provides consistent energy storage for effective filtering and decoupling
- 25 volts voltage rating supports low-voltage circuit applications safely
- Compact 6.3x7.7mm dimensions allow seamless integration on space-constrained PCBs
- Surface-mount design facilitates automated assembly and reduces manual soldering time
- Electrolytic construction ensures high capacitance in a small footprint compared to ceramic alternatives
- Ideal for use in power supply circuits, signal processing modules, and consumer electronics
- Durable build offers stable performance across temperature variations commonly encountered in electronics
From ₹ 16.00
The 100uF 25V 5mm Samwha capacitor is a reliable electronic component designed for efficient energy storage and filtering in various circuits. Its compact 5mm lead spacing makes it ideal for tight PCB layouts, while the 25V rating ensures suitability for moderate voltage applications. This capacitor is commonly used in power supply filtering, signal smoothing, and timing circuits, providing stable performance and durability in electronic assemblies.
- 100 microfarads capacitance offers consistent energy storage for smooth power delivery.
- The 25-volt rating supports medium-voltage circuits without risk of breakdown.
- 5mm lead spacing fits compact circuit board designs and simplifies installation.
- Manufactured by Samwha, known for high-quality components that ensure long-term reliability.
- Ideal for applications including power supplies, audio equipment, and timing circuits.
- Axial lead design facilitates easy through-hole mounting and secure connections.
From ₹ 29.00
The 100uF 16V 6.3x5.4mm SMD Electrolytic Capacitor is a compact electronic component designed for surface-mount technology applications. Its primary function is to store and release electrical energy, making it ideal for filtering, decoupling, and energy storage in various circuits. With a voltage rating of 16 volts and a capacitance of 100 microfarads, this capacitor suits a wide range of electronic devices requiring reliable performance in limited space.
- 100 microfarad capacitance ensures effective energy storage and smoothing in power supply circuits.
- 16V voltage rating provides safe operation within low to medium voltage electronic systems.
- 6.3 x 5.4 mm dimensions enable easy integration into compact PCB layouts with surface-mount assembly.
- Designed for surface-mount technology (SMD), facilitating automated manufacturing processes.
- Reliable electrolytic design offers stable capacitance over a broad temperature range.
- Compatible with various components and circuit types, supporting versatile electronic applications.
- Ideal for use in consumer electronics, industrial equipment, and communication devices.
From ₹ 41.00
This 100uF 16V (107C B3528) tantalum capacitor is designed for reliable performance in electronic circuits requiring stable capacitance and voltage tolerance. Its compact B3528 case size makes it ideal for space-constrained applications. Rated at 16 volts and featuring a capacitance of 100 microfarads, this tantalum capacitor is suitable for smoothing, filtering, and energy storage in various components. It supports use in precision electronic equipment where stable and durable components are essential.
- Compact B3528 casing ensures efficient use of PCB space
- Rated voltage of 16V provides reliable operation in low-voltage circuits
- 100 microfarad capacitance offers effective energy storage and filtering
- Tantalum construction delivers long-term stability and low leakage current
- High tolerance to temperature supports consistent performance under varying environmental conditions
- Ideal for smoothing and decoupling in power supply and signal circuits
- Compatible with a wide range of electronic components due to popular case size and ratings
From ₹ 13.00
This 100pF 101 0805 (2012 metric) 50V X7R MLCC SMD capacitor is designed for reliable surface-mount applications requiring stable capacitance and a compact footprint. With a 50V voltage rating and X7R dielectric, it offers consistent performance across a wide temperature range, making it suitable for general-purpose filtering, timing, and decoupling tasks in various electronic circuits. Its 0805 size ensures compatibility with modern automated assembly processes and dense PCB layouts.
- Compact 0805 (2012 metric) package optimizes board space without sacrificing reliability
- 50V voltage rating supports applications with moderate voltage demands
- X7R dielectric material provides stable capacitance over temperature variations from -55°C to +125°C
- 100pF capacitance value suits precise timing and filtering functions in electronic designs
- MLCC construction enhances durability and long-term stability in surface-mount configurations
- SMD format enables efficient automated placement and soldering on printed circuit boards
From ₹ 12.00
The 100pF 101 0603 (1608 metric) 50V X7R MLCC SMD capacitor is a compact, surface-mount component designed for stable performance in electronic circuits. With a 50-volt rating and X7R dielectric, it offers reliable capacitance for filtering, coupling, and bypassing applications in compact assemblies. The 0603 size (1608 metric) ensures compatibility with dense PCB layouts, making it ideal for modern electronics requiring stable capacitance in a small footprint.
- 100pF capacitance provides precise signal filtering and timing functions.
- 50V voltage rating supports moderate voltage circuits with safety margin.
- X7R dielectric material offers temperature stability and reliable performance across a range of conditions.
- 0603 package size (1608 metric) fits tightly spaced PCB designs without sacrificing durability.
- Multi-layer ceramic construction ensures low equivalent series resistance and inductance for efficient operation.
- SMD format enables automated assembly and consistent soldering quality.
- Compatible with various electronic devices requiring compact, stable capacitors, such as communication devices, sensors, and control boards.
From ₹ 15.00
The 100nF(104) MLCC 50V capacitor is a versatile surface-mount component designed for reliable electronic circuit operation. With a capacitance of 100 nanofarads and a voltage rating of 50 volts, it offers stable performance in filtering, decoupling, and timing applications. This multilayer ceramic capacitor is compatible with a wide range of electronic devices, ensuring consistent functionality across various industries.
- 100nF capacitance provides effective noise reduction and signal smoothing in circuits
- 50V voltage rating supports moderate power applications with reliable insulation
- Compact multilayer ceramic construction allows for space-saving surface-mount installation
- Ideal for use in power supply filtering, timing circuits, and general-purpose electronic designs
- High stability and low equivalent series resistance (ESR) enhance performance over time
- Compatible with automated pick-and-place assembly for efficient manufacturing
From ₹ 29.00
The 100nF 275V (104K 0.1UF) X2 Safety MKP capacitor is designed for reliable suppression of interference in electronic circuits. Featuring a 10mm pitch and robust metallized polypropylene film construction, it provides stable performance at 275 volts AC. This component is ideal for applications requiring enhanced electrical safety and durability, such as power supplies, motor run circuits, and EMI/RFI filters.
- 275V AC rating ensures safe operation in high-voltage environments.
- 100nF capacitance balances effective noise suppression with compact size.
- X2 safety classification guarantees compliance with international standards for interference suppression.
- 10mm lead pitch facilitates easy mounting on standard printed circuit boards.
- Metallized polypropylene film construction offers low losses and excellent long-term stability.
- Designed to withstand voltage surges typical in mains-connected equipment.
- Suitable for use in appliances, lighting ballast, and industrial control devices requiring safety-rated capacitors.
From ₹ 22.00
The 100nF 104 1210 (3225 metric) 50V X7R MLCC SMD capacitor is a compact, surface-mount device designed for reliable performance in electronic circuits. This multilayer ceramic capacitor provides stable capacitance with X7R dielectric material, ensuring consistent operation across temperature variations. Rated for 50 volts, it suits a variety of applications including filtering, coupling, and decoupling in consumer electronics, industrial equipment, and communication devices.
- 100nF capacitance supports effective signal smoothing and noise reduction in circuits
- 1210 (3225 metric) size offers a suitable footprint for modern PCB layouts requiring space efficiency
- 50V voltage rating accommodates moderate voltage applications with reliable insulation
- X7R dielectric ensures stable capacitance with temperature compensation from -55°C to +125°C
- Multilayer ceramic construction provides durability and low equivalent series resistance (ESR)
- Surface-mount device (SMD) format enables automated assembly and compact device designs
From ₹ 13.00
The 100nF 104 0805 (2012 metric) 50V X7R MLCC is a high-quality multilayer ceramic capacitor designed for reliable performance in electronic circuits. Rated for 50 volts, this capacitor offers a stable capacitance of 100 nanofarads, making it ideal for filtering, decoupling, and timing applications. Its X7R dielectric material ensures temperature stability across a wide range, while the 0805 size provides a compact footprint compatible with most surface mount technology (SMT) assemblies.
- 100nF capacitance delivers precise energy storage for signal smoothing and noise reduction
- 50V voltage rating suits a variety of low to medium voltage electronic designs
- X7R dielectric maintains consistent performance over temperature fluctuations from -55°C to +125°C
- 0805 (2012 metric) package size offers space-saving surface mount compatibility for dense circuit boards
- Multilayer ceramic construction ensures durability and high reliability in demanding applications
- Wide range of uses including power supply decoupling, signal filtering, and timing circuits
From ₹ 12.00
The 100nF 104 0603 (1608 metric) 50V X7R MLCC is a multilayer ceramic capacitor designed for precise electronic applications. This compact component offers a capacitance of 100 nanofarads with a voltage rating of 50 volts, making it suitable for filtering, decoupling, and timing circuits. Its X7R dielectric material ensures stable performance across a wide temperature range, while the 0603 package size fits efficiently on densely populated circuit boards. Ideal for use in various electronic devices, this capacitor balances reliability and compactness for professional-grade assemblies.
- 100nF capacitance provides effective energy storage and signal filtering
- 50V voltage rating supports moderate power applications with stability
- X7R dielectric guarantees performance consistency from -55°C to +125°C
- 0603 (1608 metric) size ensures compatibility with high-density PCB layouts
- Multilayer ceramic construction enhances capacitance and reliability in compact form
- Low equivalent series resistance (ESR) reduces power loss and improves circuit efficiency
- Widely suitable for filtering, bypassing, and timing in consumer electronics and industrial devices
From ₹ 37.00
The 1000uF 25V 10mm Samwha capacitor is a reliable electronic component designed for smoothing and filtering applications in circuits. With a capacitance of 1000 microfarads and a voltage rating of 25 volts, it efficiently stabilizes voltage and reduces noise. Its compact 10mm diameter makes it suitable for various electronic devices, ensuring compatibility with standard circuit boards and power supplies.
- High capacitance of 1000 microfarads supports effective energy storage and voltage regulation.
- Rated for 25 volts, providing reliable performance in low to medium voltage circuits.
- Compact 10mm diameter fits easily into tight spaces on circuit boards.
- Durable construction from Samwha ensures long-lasting stability and reliability.
- Ideal for smoothing power supply outputs and filtering signal noise in various electronic projects.
- Compatible with a wide range of electronic components and devices requiring stable voltage handling.
From ₹ 52.00
The 1000uF 16V 10x10.5mm SMD Electrolytic capacitor is a compact, surface-mount component designed for use in various electronic circuits requiring stable power filtering and energy storage. With a 16-volt rating and a capacitance of 1000 microfarads, it provides reliable smoothing of voltage fluctuations in devices such as power supplies, amplifiers, and signal processing units. Its small 10x10.5mm footprint ensures compatibility with modern compact circuit boards, making it an essential choice for both consumer electronics and industrial applications.
- High capacitance of 1000uF supports effective energy storage and voltage smoothing in demanding circuits.
- 16V voltage rating ensures safe operation within moderate voltage electronic designs.
- Compact surface-mount design (10x10.5mm) optimizes space efficiency on densely packed PCBs.
- Electrolytic construction offers a favorable balance of capacitance and size for power supply stabilization.
- Compatible with automated assembly processes, enhancing manufacturing efficiency.
- Reliable performance in applications requiring sustained filtering and noise reduction.
From ₹ 37.00
The 1000uF 16V 10mm Samwha capacitor is a reliable electronic component designed for smoothing and filtering applications in electronic circuits. With a capacitance of 1000 microfarads and a voltage rating of 16 volts, it effectively stabilizes voltage fluctuations and reduces noise. Its compact 10mm diameter makes it suitable for densely packed circuit boards, ensuring compatibility with a wide range of electronic devices and assemblies. This component is essential for improving the performance and longevity of power supply systems and signal processing units.
- 1000 microfarads capacitance provides excellent energy storage for stable voltage regulation
- 16 volts maximum voltage rating ensures safe operation within low-voltage electronic applications
- Compact 10mm diameter fits easily into space-constrained circuit designs without sacrificing performance
- Samwha brand quality guarantees consistent reliability and durability under normal operating conditions
- Ideal for smoothing power supplies to reduce voltage ripple and electrical noise
- Compatible with various consumer electronics, industrial equipment, and DIY electronics projects
From ₹ 12.00
The 1.2nF 122 0603 (1608 metric) 50V X7R MLCC SMD capacitor is a compact surface-mount device designed for reliable electronic component integration. Its multilayer ceramic construction offers stable capacitance and durability under various operating conditions. Rated for 50 volts and using X7R dielectric material, this capacitor suits applications requiring moderate voltage handling and temperature stability. The 0603 size standard ensures easy compatibility with common PCB layouts in consumer electronics, communication devices, and other precision components.
- Multilayer ceramic structure ensures consistent performance and long-term reliability in compact form.
- Capacitance of 1.2nF provides precise filtering and timing in electronic circuits.
- Voltage rating of 50V supports a range of moderate power supply and signal applications.
- X7R dielectric material delivers stable capacitance across temperature variations from -55°C to +125°C.
- 0603 (1608 metric) package size allows seamless integration on standard surface-mount technology boards.
- Surface-mount design facilitates automated assembly and reduces board space requirements.
- Suitable for components category, ideal for use in consumer electronics, telecommunications, and general-purpose circuit design.
From ₹ 12.00
The 33uF 63V 6.3x11mm Samwha Radial Aluminum Electrolytic Capacitor is a high-quality radial lead capacitor designed for power supply filtering, signal coupling, decoupling, and general-purpose electronic circuits. Featuring a 33µF capacitance, 63V rated voltage, and a compact 6.3 × 11 mm package, it offers stable performance, low leakage current, and long service life. Suitable for use in power supplies, industrial equipment, consumer electronics, and DIY repair projects.
From ₹ 26.00
The 470uF 63V 12.5x20mm Aluminum Electrolytic Capacitor is a high-performance electronic component designed for energy storage, voltage filtering, and power stabilization in various electronic circuits and devices. With a capacitance value of 470 microfarads and a voltage rating of 63V, this capacitor is ideal for power supply circuits, amplifiers, motherboards, industrial equipment, LED drivers, and consumer electronics.
Manufactured using high-quality aluminum electrolytic material, this capacitor offers stable electrical performance, low leakage current, and reliable long-term operation. Its compact 12.5x20mm cylindrical design allows easy installation on PCB boards while maintaining efficient space utilization.
This capacitor is widely used in repairing and assembling electronic devices where smooth voltage regulation and noise filtering are required for optimal circuit performance.
Key Features:
- 470uF capacitance value
- 63V voltage rating
- Compact 12.5x20mm size
- High-quality aluminum electrolytic construction
- Stable electrical performance
- Low leakage current
- Reliable filtering and voltage stabilization
- Long operational life
- Easy PCB mounting and replacement
- Suitable for various electronic applications
Applications:
- Power supply circuits
- SMPS and inverter boards
- Audio amplifiers
- LED driver circuits
- Motherboards and computer hardware
- Industrial electronic equipment
- Consumer electronics repair
- DIY electronic projects
Specifications:
| Specification | Details |
|---|---|
| Product Type | Aluminum Electrolytic Capacitor |
| Capacitance | 470uF |
| Voltage Rating | 63V |
| Size | 12.5x20mm |
| Material | Aluminum Electrolytic |
| Mounting Type | Through Hole |
| Application | Power Filtering, Voltage Stabilization, Energy Storage |
| Usage | Electronic Circuit Repair and Assembly |
From ₹ 12.00
The 22uF 25V 5x11mm Samwha Radial Aluminum Electrolytic Capacitor is designed for reliable performance in electronic circuits requiring stable capacitance. Its radial form factor and aluminum electrolytic construction ensure durability and effective energy storage, making it ideal for signal filtering, power supply smoothing, and timing applications. Compatible with various electronic components, this capacitor supports precise voltage regulation in compact designs.
- 22 microfarads capacitance provides consistent charge storage for circuit stability
- 25 volts rated voltage ensures safe operation under moderate voltage conditions
- Compact 5x11mm size fits neatly into tight spaces for versatile mounting options
- Radial lead design simplifies installation in through-hole circuit boards
- Durable aluminum electrolytic construction offers long-lasting performance and resistance to wear
- Optimized for use in filtering, decoupling, and timing circuits across various electronic devices
- Compatible with a wide range of electronics requiring reliable capacitance in compact format
Showing 142/142
Explore Related Collections
Description
Capacitors at Partsbaba.com – Reliable Components for Electronic Circuits
Explore Capacitors at Partsbaba.com, essential electronic components used for energy storage, filtering, voltage stabilization, coupling, decoupling, timing, and noise reduction in a wide range of electronic circuits.
Whether you're repairing a PCB, building an electronic project, or replacing a damaged component, selecting the correct capacitor requires checking its capacitance, voltage rating, polarity, physical size, tolerance, and capacitor type.
Explore Capacitors
The Capacitor collection can include:
- Ceramic Capacitors
- Electrolytic Capacitors
- Film Capacitors
- SMD Capacitors
- Radial Capacitors
- Axial Capacitors
- Polarized Capacitors
- Non-Polarized Capacitors
- High-Voltage Capacitors
- Low-ESR Capacitors
- PCB Capacitors
- Replacement Capacitors
Compatibility Tip: Before purchasing a capacitor, always check the capacitance value, voltage rating, polarity, tolerance, temperature rating, physical dimensions, and lead/terminal configuration.
What Is a Capacitor?
A capacitor is a passive electronic component that stores electrical energy in an electric field.
A basic capacitor consists of two conductive elements separated by an insulating material called a dielectric.
Capacitors are commonly used to control and condition electrical signals and power supplies.
What Does a Capacitor Do?
Capacitors have many functions in electronic circuits, including:
- Filtering
- Voltage smoothing
- Noise suppression
- Power-supply decoupling
- Signal coupling
- Timing circuits
- Energy storage
- Transient suppression
- Motor-starting applications
The function depends on the capacitor type and circuit design.
Types of Capacitors
Ceramic Capacitors
Ceramic capacitors use a ceramic dielectric and are widely used for:
- High-frequency filtering
- Decoupling
- Noise reduction
- General PCB applications
They are available in both through-hole and SMD formats.
Electrolytic Capacitors
Electrolytic capacitors offer relatively high capacitance in a compact package.
They are commonly used in:
- Power supplies
- DC filtering
- Amplifier circuits
- Voltage smoothing
Many electrolytic capacitors are polarized, so correct polarity is important.
Film Capacitors
Film capacitors use a plastic film dielectric and are commonly used for:
- AC applications
- Signal filtering
- Audio circuits
- Timing circuits
- Snubber circuits
SMD Capacitors
Surface-mount capacitors are designed for direct mounting onto PCBs and are widely used in compact electronic devices.
Capacitor Specifications
| Specification | What to Check |
|---|---|
| Capacitance | Required value |
| Voltage Rating | Maximum working voltage |
| Tolerance | Permitted capacitance variation |
| Polarity | Polarized or non-polarized |
| Type | Ceramic, electrolytic, film, etc. |
| Package | SMD or through-hole |
| Temperature Rating | Operating temperature |
| ESR | Important for some applications |
| Dimensions | Available PCB space |
| Lead Spacing | Through-hole compatibility |
How to Choose the Right Capacitor?
1. Check the Capacitance
Capacitance is measured in units such as:
- Farads (F)
- Microfarads (µF)
- Nanofarads (nF)
- Picofarads (pF)
For example:
1 µF = 1,000 nF
1 nF = 1,000 pF
Always match the required capacitance to the circuit specification.
2. Check the Voltage Rating
The capacitor's voltage rating should be suitable for the circuit.
A capacitor should not be operated above its specified voltage rating.
3. Check Polarity
Some capacitors are polarized, while others are non-polarized.
For polarized capacitors, such as many electrolytic types, the positive and negative terminals must be connected correctly.
4. Check Tolerance
Tolerance indicates how much the actual capacitance can differ from its nominal value.
For precision circuits, a tighter tolerance may be required.
5. Check Physical Size
Make sure the capacitor fits the available PCB space.
For through-hole components, also check lead spacing.
Capacitor Applications
Capacitors are found in many electronic systems, including:
- Power supplies
- Printers
- Computers
- CCTV systems
- Audio equipment
- Chargers
- Adapters
- Motor circuits
- Control boards
- Consumer electronics
- Industrial equipment
- DIY electronics projects
Capacitors in Power Supplies
Capacitors are commonly used after rectification to smooth pulsating DC voltage.
A simplified power-supply path can be:
AC → Rectifier → Capacitor → Regulator → DC Output
The capacitor helps reduce voltage fluctuations, depending on the circuit design.
Explore AC to DC SMPS for power-supply components.
Capacitor Polarity
Polarized capacitors must be installed correctly.
Common polarized capacitor types include many:
- Aluminium electrolytic capacitors
- Tantalum capacitors
Incorrect polarity can cause malfunction and, depending on the component and conditions, potentially damage the capacitor.
Always follow the markings on the capacitor and PCB.
Capacitor vs Resistor
| Feature | Capacitor | Resistor |
|---|---|---|
| Main Function | Stores electrical energy / affects AC signals | Limits current / creates voltage relationships |
| Unit | Farad | Ohm |
| Common Uses | Filtering, timing, smoothing | Current limiting, biasing |
| DC Behaviour | Charges and can block steady-state DC | Allows current according to Ohm's law |
Explore Resistors for resistor components.
Common Capacitor Problems
| Problem | Possible Cause |
|---|---|
| Bulging Capacitor | Excessive stress or failure |
| Leakage | Capacitor degradation |
| Reduced Capacitance | Aging or damage |
| High ESR | Internal degradation |
| Short Circuit | Internal failure |
| Open Circuit | Component failure |
| Circuit Instability | Incorrect capacitor value/type |
How to Replace a Capacitor
When replacing a capacitor on a PCB:
- Turn off and disconnect the equipment.
- Identify the original capacitor value.
- Check its voltage rating.
- Determine whether it is polarized.
- Check physical dimensions and lead spacing.
- Remove the defective component safely.
- Install the replacement with the correct polarity, if applicable.
- Inspect the solder joints.
- Test the circuit.
For power-supply circuits, capacitors can retain dangerous electrical charge even after power has been disconnected. Discharge capacitors using an appropriate safe procedure before servicing.
Capacitor Markings
Capacitors may display information such as:
100 µF 25 V
This indicates:
- 100 µF → Capacitance
- 25 V → Rated voltage
Small ceramic capacitors may instead use numerical codes such as 104, where the code represents the capacitance in picofarads.
Why Choose Capacitors from Partsbaba.com?
- Multiple capacitor types and values
- Suitable for PCB repair
- Useful for electronic projects
- Options for power and signal applications
- Suitable for replacement requirements
- Components for hobby and professional electronics
- Related electronic components available
- Convenient online sourcing from Partsbaba.com
Explore Related Collections
Find more electronic components at Partsbaba.com:
- ICs – Integrated circuits for electronic applications.
- Resistors – Explore resistance components.
- Inductors – Browse inductive components.
- Transistors – Find transistor components.
- MOSFETs – Explore MOSFETs.
- Sensors – Browse electronic sensors.
- Power Supply – Explore power components.
- AC to DC SMPS – Find switching power supplies.
- FFC/FPC – Explore flexible PCB and cable components.
Frequently Asked Questions
What is a capacitor?
A capacitor is a passive electronic component that stores electrical energy and is commonly used for filtering, smoothing, coupling, decoupling, and timing.
What does µF mean on a capacitor?
µF means microfarad, a unit of capacitance. One microfarad equals one-millionth of a farad.
Can I use a capacitor with a higher voltage rating?
In many applications, a capacitor with a higher suitable voltage rating can be used, provided the capacitance, type, physical dimensions, temperature rating, and other circuit requirements are appropriate.
What happens if a polarized capacitor is installed backwards?
Incorrect polarity can cause a polarized capacitor to malfunction and may result in damage or failure, depending on the conditions.
How do I choose a replacement capacitor?
Match the capacitance, voltage rating, capacitor type, polarity, tolerance, temperature rating, dimensions, and terminal/lead configuration to the requirements of the original circuit.
Where are capacitors commonly used?
Capacitors are widely used in power supplies, printers, computers, audio equipment, chargers, control boards, motors, CCTV systems, and electronic circuits.
Shop Capacitors at Partsbaba.com
Find Capacitors at Partsbaba.com for PCB repairs, power supplies, electronic circuits, DIY projects, replacement components, and general electronics applications.
Explore Capacitors at Partsbaba.com and find the right capacitance and capacitor type for your project.
- Choosing a selection results in a full page refresh.
- Opens in a new window.