General-Purpose Varistor

SMV1812B391AActive

The SMV1812B391A varistor adopts Semiware's unique MLV process, achieving greater surge absorption capacity through smaller product size, which is more suitable for customers to quickly install and miniaturize design needs. The product is a resistor device with nonlinear volt ampere characteristics, mainly used for voltage embedding in circuits under overvoltage, absorbing excess current to protect sensitive devices.

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Electrical Parameters

Part Number SMV1812B391A

Package SMV1812

VAC [Max] (V) 250

VDC [Max] (V) 320

V1MA [Nom] (V) 390

VC@IPP [Max] (V) 650

IPP [Max] (A) 10

IMAX @8/20uS (A) 500

Energy [Max] (J) -

Capacitance (pF) -

TSTG (°C) -40～+125

Status Active

Product Features

Working Voltage From 5.5V to 385V DC Low Capacitance Design (0.2pF) For Fast Data Transmission Fast Response Time (<0.5ns) Low Leakage Current High Surge Current Ability Suitable For ESD Protection