VISHAY 157 PUM-SI Electrolytic Capacitor 220µF 450V Snap-In

The VISHAY 157 PUM-SI Series Electrolytic Capacitor is a robust and reliable polarised aluminium electrolytic component, engineered for demanding industrial applications. With a substantial capacitance of 220 microfarads (µF) and a high DC voltage rating of 450V, it is designed to provide stable power filtering and energy storage in circuits where performance under stress is critical.

Featuring a convenient snap-in terminal design, this capacitor allows for secure and straightforward mounting onto printed circuit boards (PCBs), facilitating efficient assembly and reliable mechanical connection. Its construction ensures a long operational lifespan, certified for 2500 hours of continuous use at an elevated temperature of 85°C, making it suitable for environments with significant thermal loads.

Key Specifications & Performance

• High Capacitance & Voltage: A 220µF capacitance at 450V DC makes it ideal for smoothing and buffering in power supplies, motor drives, and inverter circuits.
• Snap-In Terminals: The 10mm lead spacing and snap-in design provide a stable, vibration-resistant fit on PCBs, crucial for industrial equipment.
• Extended Temperature Range: It operates effectively across a broad temperature spectrum from -25°C to a maximum of +85°C.
• Low ESR: An equivalent series resistance (ESR) of 0.4 ohm contributes to efficient performance with minimal power loss, especially important in high-frequency switching applications.
• Robust Construction: The component is housed in a durable case measuring 43mm in height and 33mm in diameter, with a depth of 15mm, and has a net weight of 39 grams, reflecting its solid build quality.

This capacitor is a fundamental part of the VISHAY PUM-SI series, known for its durability and consistent performance in challenging electrical environments. It is an essential choice for engineers and technicians requiring a dependable, high