2200uF 25V Electrolytic Capacitor

2200uF 25V Electrolytic Capacitor is a high-capacity polarized passive electronic component designed for bulk energy storage, power supply filtering, and voltage smoothing in electronic circuits. Featuring a robust aluminum electrolytic construction, this radial-lead capacitor effectively suppresses low-frequency ripple currents, absorbs transient voltage spikes, and stabilizes DC voltage rails in power converter circuits, audio amplifiers, and motor driver boards. With a maximum rated voltage of 25V DC and a generous 2200uF capacitance value, it is an essential component for power rectification stages and stabilizing power delivery in microcontroller projects.

Features

• High capacitance density (2200uF) providing robust charge storage for power supply filtering
• 25V DC voltage rating suitable for common low-voltage power rails (5V, 9V, 12V, 18V systems)
• Radial lead configuration designed for easy vertical insertion into PCB holes and breadboards
• Low equivalent series resistance (ESR) characteristics ensuring efficient ripple current suppression
• Durable aluminum cylindrical casing with safety vent scoring for reliable overpressure protection
• Clearly marked polarity stripe indicating the negative (cathode) lead for secure installation
• Flame-retardant insulating sleeve providing electrical isolation and environmental protection
• Ideal companion capacitor for buck/boost converters, audio power amplifiers, and motor driver supply rails

Applications

• Input and output smoothing filter capacitors on DC-DC buck/boost converters and linear power supplies
• Power supply bulk decoupling for Arduino, ESP32, and Raspberry Pi project shields
• DC motor driver power rail stabilization (e.g., L298N, motor shields) to absorb voltage dip spikes
• Audio amplifier power supply filtering to reduce hum, background noise, and power ripple
• Polytechnic diploma, university engineering thesis, and DIY electronics power circuit assembly

Important Notes:

• Polarity Warning: Electrolytic capacitors are polarized. Connecting them in reverse (positive lead to negative rail or vice versa) will cause internal dielectric breakdown, electrolyte leakage, severe overheating, or popping/explosion. Always verify that the striped side with negative minus signs (-) connects to Ground (GND).
• Voltage Margin: Never operate this capacitor on DC voltage rails exceeding its 25V rating. For a 12V power supply rail, a 25V capacitor provides a safe voltage headroom margin.
• Discharge Safety: High-capacity capacitors can retain dangerous electrical charges even after power is turned off. Discharge large electrolytic capacitors safely before handling or soldering.
• Lead Cutting: When trimming the leads for custom PCBs, leave at least 2mm to 3mm of lead length above the circuit board solder joint to prevent thermal stress on the internal seal during soldering.

Package includes

• 1 x 2200uF 25V Electrolytic Capacitor