180uF 420V Electrolytic Capacitor

180uF 420V Electrolytic Capacitor 

The 180µF 420V Electrolytic Capacitor is a high-voltage aluminum electrolytic capacitor designed for applications requiring stable energy storage, smoothing, and filtering at elevated voltage levels. With a capacitance of 180 microfarads and a 420-volt rating, it is ideally suited for circuits connected to AC mains after rectification, such as power supplies, inverter stages, and PFC (Power Factor Correction) modules.

Built with high-quality aluminum foil and durable electrolyte materials, this capacitor provides low ESR, high ripple current capability, and excellent insulation resistance, ensuring reliable long-term operation under demanding electrical conditions. Its cylindrical, PCB-mount form factor offers easy integration into high-voltage power systems, industrial equipment, and home appliance repairs.

This component is commonly used where stable DC bus voltage and high-energy smoothing are required, making it a dependable choice for both new designs and replacement use.

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Features

• High voltage rating of 420V, suitable for AC mains rectified circuits
• 180µF capacitance provides strong energy storage and smoothing capability
• Low ESR design ensures reduced power loss and improved efficiency
• High ripple current handling for stable operation in power electronics
• Long service life with reliable aluminum electrolytic construction
• High insulation resistance for safe operation in high-voltage environments
• Compact cylindrical form factor for easy PCB or clamp mounting
• Temperature-resistant design, ideal for continuous-duty power supplies
• Stable performance under varying load and temperature conditions

Applications

• AC–DC power supply filtering (primary & secondary side)
• DC bus capacitors in SMPS, inverter circuits, and LED drivers
• Power Factor Correction (PFC) stages in high-wattage power supplies
• High-voltage energy storage in industrial electronics
• Motor control circuits and variable frequency drives (VFDs)
• Welding machines and UPS systems requiring bulk capacitors
• Audio amplifiers with high-voltage power rails
• Replacement capacitor for home appliances, TV power boards, monitors, and other HV devices