General-Purpose Varistor

25D391KActive

The 25D391K varistor product has characteristics such as low voltage and high surge current, providing an ideal circuit solution for low-voltage DC voltage applications. Through Semiware's unique product technology, it ensures higher rated voltage and peak surge current than other products. The product is widely used in indirect lightning interference in electronic devices, system switching transients from power sources, and abnormal fast transients.

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Electrical Parameters

Part Number 25D391K

Package 25D

VAC [Max] (V) 250

VDC [Max] (V) 320

V1MA [Nom] (V) 390

VC@IPP [Max] (V) 650

IPP [Max] (A) 150

IMAX @8/20uS (A) 15000

Energy [Max] (J) 330

Capacitance (pF) 1600

TSTG (°C) -40～+125

Status Active

Product Features

High surge current handling capability High energy absorbtion capability Fast response time of less than 25ns,instantly clamping the transient over voltage Low clamping voltages,providing better surge protection Low capacitance values,providing digital switching circuitry protection High insulation resistance,preventing electric arching to the adjacent