Capacitor 4.7uF 400V

Capacitor 4.7uF 400V is a high-voltage aluminum electrolytic capacitor engineered for stable energy storage, effective filtering, and reliable performance in demanding electronic circuits. Designed to operate safely at up to 400 volts DC, this component is ideal for applications where voltage endurance, low leakage current, and long operational life are essential. Its optimized internal structure and quality dielectric materials ensure consistent capacitance and dependable electrical behavior over time.

This capacitor is widely used by professional technicians, engineers, and advanced hobbyists in power electronics, audio equipment, and industrial control systems. The Capacitor 4.7uF 400V plays a critical role in smoothing DC rails, reducing ripple voltage, and protecting sensitive components from voltage fluctuations. Its compact radial-lead design allows easy PCB mounting while maintaining adequate heat dissipation and mechanical stability.

Product Description

• High-voltage aluminum electrolytic capacitor

• Capacitance value of 4.7 microfarads for efficient energy storage

• Rated for 400V DC continuous operation

• Designed for long life and stable electrical characteristics

• Suitable for both new designs and replacement applications

The Capacitor 4.7uF 400V is commonly found in switch-mode power supplies (SMPS), inverters, LED drivers, audio amplifiers, and television or monitor power boards. Its high voltage rating makes it particularly suitable for circuits exposed to voltage surges, high ripple conditions, or continuous load stress. When installed with correct polarity, it delivers consistent performance and enhances overall circuit reliability.

Key Advantages

• High voltage endurance for demanding environments

• Low leakage current improves efficiency

• Good ripple current handling capability

• Durable aluminum can with protective sleeve

• Stable performance across a wide temperature range

Typical Applications

• SMPS and power supply filtering stages

• High-voltage audio amplifier circuits

• LED lighting drivers

• Industrial electronics and automation systems

• TV, monitor, and inverter repair

• General electronic maintenance and prototyping

The Capacitor 4.7uF 400V is a practical and cost-effective solution for engineers who require dependable high-voltage capacitors without compromising quality. Its proven construction helps extend the lifespan of electronic assemblies and ensures safe, predictable operation.

Datasheet (Typical Specifications)

• Product Type: Aluminum Electrolytic Capacitor

• Capacitance: 4.7 µF

• Rated Voltage: 400 V DC

• Tolerance: ±20%

• Polarity: Polarized

• Operating Temperature: −40°C to +105°C

• Leakage Current: ≤0.01CV or 3 µA (after 2 minutes)

• Ripple Current: Rated per standard high-voltage series

• Lead Type: Radial leads

• Mounting: Through-hole PCB

• Case Material: Aluminum can with PVC sleeve

• Safety Feature: Pressure relief vent