General-Purpose Varistor

SMV3220-391H-JActive

The SMV3220-391H-J varistors use Semiware's unique packaging technology to achieve greater surge absorption capacity through smaller product sizes, meeting the needs of customers for fast installation and miniaturization design. 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 SMV3220-391H-J

Package SMV3220

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) 1500

Energy [Max] (J) 12

Capacitance (pF) 120

TSTG (°C) -55～+150

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