Product OverviewThe 400V 39uF Aluminum Electrolytic Capacitor is designed for high-voltage DC filtering, voltage smoothing, and energy buffering in compact power electronic circuits. With a 400V rated voltage and 39uF nominal capacitance, it provides a practical combination of voltage tolerance and capacitance for LED driver power supplies, switching power supplies, AC/DC conversion circuits, and other electronic power equipment. This capacitor can be used on the DC side of rectifier circuits to help reduce voltage fluctuations and provide local energy storage. Its 39uF capacitance is suitable for applications where controlled filtering performance and compact circuit design are required. For LED power supply manufacturers and electronic equipment designers, the component can be incorporated into different circuit architectures according to the required voltage, ripple current, temperature conditions, service life, and available installation space. Key Features
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| Item | Value |
| Feature |
Low Leakage Current, Low High-Frequency Impedance |
| Load Life Time | 105°C 2000h |
| Terminal Type | Through-Hole Type |
| Rated Voltage Range | 400V |
| Nominal Capacitance Range | 39UF |
| OperatingTemperature Range | -40+105℃ |
| Size | 18mm*30mm |
| Weight | g |
| Typical Applications | ||
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| LED Lighting | Switching Power | Power Supply |
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| Adapter | Industrial Control | Consumer Electronics |
| Manufacturing Process |
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Our MOQ is flexible. For standard aluminum electrolytic capacitors, small trial orders from 1000 pcs are acceptable.
es, sample orders are available for quality testing before mass production.
Yes, we support customization including capacitance, voltage, size, lead type, and logo printing.
All capacitors go through strict testing, including capacitance, leakage current, and high-temperature aging tests before shipment.
