Vishay 021 ASM Series 220 µF 25V Axial Aluminium Electrolytic Capacitor

The Vishay 021 ASM series miniature axial leaded aluminium electrolytic capacitors provide a robust and versatile solution for a wide range of electronic circuits. Designed for standard applications, this 220 µF, 25V polar capacitor combines a high capacitance-to-volume ratio with reliable performance across an extended temperature range.

Constructed with a cylindrical aluminium case insulated by a distinctive blue sleeve, this component is engineered for durability. It is designed to be charge and discharge proof, enhancing its longevity in demanding applications. The capacitor's low mounting height makes it ideal for modern, compact PCBs, while its construction offers good resistance to vibration and shock.

Key Features & Applications

This capacitor is essential for smoothing and filtering in power supply circuits, helping to stabilise voltage and reduce electrical noise. It is also perfectly suited for buffering, coupling, and decoupling roles in both analogue and digital designs. Common applications include power management systems, consumer electronics, portable devices, and various industrial control systems where consistent capacitance is required under fluctuating conditions.

Technical Specifications

The component offers an operating temperature range from -40°C to +85°C, ensuring functionality in harsh environments. It features a capacitance tolerance of ±20% and an endurance rating of 1000 hours at its maximum temperature of 85°C. The capacitor has an equivalent series resistance (ESR) of 1 ohm and can handle a ripple current of up to 250mA, making it suitable for circuits with moderate current fluctuations.