Wurth Elektronik WE-VD Varistor 1.82 nF 2.5 A Clamping 77 V Diameter 9 mm 820572501

Wurth Elektronik 820572501 is a high-performance WE-VD series varistor featuring 1.82 nF capacitance and 2.5 A clamping current, designed for robust surge protection in electronic circuits.

This varistor provides a varistor voltage of 39 V and clamps voltage up to 77 V, making it ideal for protecting sensitive electronic components from transient voltage spikes. The device is engineered to handle maximum AC voltages of 25 V and DC voltages of 31 V, with surge currents up to 250 A and an energy absorption capability of 2.4 J.

Constructed from metal, this varistor has a compact form factor with a 9 mm diameter, 24 mm length, and 4.7 mm thickness, optimized for space-constrained PCB designs. The 5 mm lead pitch ensures easy soldering and assembly in automated manufacturing processes.

Operating reliably over a temperature range from -40°C to 125°C, it suits demanding industrial, automotive, and electronic applications. The varistor is UL, VDE, and CSA certified, ensuring compliance with international safety and performance standards.

With negligible standby power consumption and immediate return to normal operation after surge pulses, it offers superior transient absorption performance, extending equipment lifespan and reducing downtime.

This varistor operates at a varistor voltage of 39 V and a clamping voltage of 77 V. It has a maximum AC voltage rating of 25 V ac and a maximum DC voltage of 31 V dc. The device features a durable metal material construction with a diameter of 9 mm and length of 24 mm.

It supports a maximum surge current of 250 A and energy rating of 2.4 J for transient surge absorption. Operating temperature ranges from -40°C to 125°C, suitable for various industrial environments. Lead pitch measures 5 mm, facilitating PCB mounting and component placement.

Certified and compliant with UL, VDE, and CSA standards for reliable performance. Designed for low standby energy consumption and fast recovery after surge events.

This Wurth Elektronik varistor is suitable for use in industrial electronics, automotive electrical systems, power supplies, and surge protection circuits where reliable voltage clamping and transient suppression are critical.

For further related components and design assistance, browse Varistors by Wurth Elektronik and other top brands on EnvMart.