470μF 100V Electrolytic Polarized Capacitor

The 470μF 100V electrolytic polarized capacitor is a high-capacitance aluminum electrolytic capacitor engineered for energy storage, voltage smoothing, filtering, and decoupling in a wide range of electronic and electrical circuits. With a capacitance of 470μF and a maximum rated voltage of 100V DC, this component delivers exceptional performance in power supplies, audio amplifiers, industrial equipment, motor control circuits, and various DIY electronics projects.

This capacitor features a polarized design, meaning it must be connected with the correct polarity to ensure safe and reliable operation. Its radial lead configuration allows for straightforward PCB mounting, making it a popular choice for both circuit prototyping and production environments.

Key Features and Benefits

• Capacitance: 470μF
• Rated Voltage: 100V DC
• Polarized Aluminum Electrolytic Capacitor
• High Capacitance for Efficient Energy Storage
• Excellent Power Supply Filtering
• Low Leakage Current
• Stable Electrical Performance
• Compact Radial Lead Design
• Easy PCB Mounting
• Suitable for Consumer, Industrial, and DIY Electronics

Technical Specifications

• Product Type: Aluminum Electrolytic Capacitor
• Capacitance: 470μF
• Rated Voltage: 100V DC
• Capacitor Type: Polarized
• Dielectric Type: Aluminum Electrolytic
• Mounting Type: Through-Hole
• Lead Type: Radial Leads
• Capacitance Tolerance: Typically ±20% (varies by manufacturer)
• Operating Temperature: Typically -40°C to +105°C (depends on series)
• Leakage Current: Low
• ESR: Varies depending on manufacturer and capacitor series

How the 470μF 100V Electrolytic Capacitor Works

An electrolytic capacitor stores electrical energy in an electric field formed between two conductive plates separated by an electrolytic dielectric layer. This fundamental principle enables the capacitor to perform critical functions in electronic circuits.

In practical applications, this capacitor is commonly used to:

• Smooth rectified DC voltage in power supply circuits
• Filter unwanted ripple and electrical noise from signal lines
• Store energy for short-duration power demands
• Stabilize voltage levels and prevent fluctuations
• Improve overall power supply performance and efficiency

Since the capacitor is polarized, the positive (+) and negative (−) terminals must be connected correctly to prevent damage, leakage, or catastrophic failure.

Common Applications

• DC Power Supplies
• SMPS (Switch Mode Power Supplies)
• Audio Amplifiers and Stereo Equipment
• Industrial Control Systems
• Motor Driver Circuits
• Inverter Circuits
• Battery Charging Systems
• Arduino and Microcontroller Projects
• LED Power Supplies
• DIY Electronics Projects and Hobby Circuits

Advantages of Aluminum Electrolytic Capacitors

• High capacitance value in a compact physical package
• Excellent ripple filtering capability for cleaner DC output
• Reliable voltage smoothing in demanding applications
• Long operational lifespan when used within specifications
• Easy PCB installation with radial through-hole leads
• Cost-effective solution for power and filtering circuits
• Suitable for a wide variety of consumer, industrial, and hobbyist electronics

Installation and Usage Guidelines

• Always observe the correct polarity during installation to avoid damage
• Do not exceed the 100V DC rated voltage under any circumstances
• Select a capacitor with an appropriate voltage margin (typically 20-50% headroom) for your application
• Avoid prolonged exposure to excessive heat or temperatures beyond the specified range
• Replace the capacitor immediately if it shows signs of swelling, leakage, or physical damage
• Store in a cool, dry environment away from moisture and direct sunlight
• Discharge the capacitor safely before handling or testing

Note: Images are for illustration purposes only. Actual product appearance may vary.