VISHAY Electrolytic Capacitor, 68µF 450V, Snap-in, 5000h @ 85°C

The VISHAY 157 PUM-SI Series Electrolytic Capacitor is a power ultra-miniature, snap-in aluminium capacitor designed for demanding electronic applications. Its compact, cylindrical aluminium case is insulated with a blue sleeve, providing a robust and space-efficient component for modern circuit designs where board real estate is at a premium.

This polarised, non-solid electrolyte capacitor is engineered for general-purpose, industrial, and audio/video systems. It excels in smoothing and filtering circuits, making it a critical component in both standard and switched-mode power supplies (SMPS). Furthermore, its characteristics make it suitable for energy storage in pulse discharge systems, offering reliable performance where consistent power delivery is essential.

Key Specifications & Features

With a capacitance of 68µF and a high DC voltage rating of 450V, this capacitor is built to handle significant electrical stress. It offers a long useful life of 5000 hours at a rated temperature of 85°C, ensuring durability in thermally challenging environments. Its snap-in terminals facilitate secure and straightforward mounting onto printed circuit boards (PCBs), with a standard lead spacing of 10mm.

The component boasts an Equivalent Series Resistance (ESR) of 1.23ohm and can handle a ripple current of up to 800mA, which is vital for maintaining stability in power supply outputs. Its wide operating temperature range from -25°C to +85°C and compliance with climatic category IEC 60038 25/085/56 ensure it performs reliably under various environmental conditions.

As part of the VISHAY 157 PUM-SI series, this capacitor represents a blend of miniaturisation and high-performance, making it an excellent choice for engineers seeking reliable, long-lasting components for power management and signal conditioning tasks.