General-Purpose Varistor

14D561KActive

The 14D561K is a 14mm metal-oxide varistor designed for transient voltage and surge protection in AC power applications. It features a maximum continuous operating voltage of 350 VAC, a varistor voltage of 560 V, and a standard surge current rating of 4.5 kA (based on an 8/20 μs waveform). The 14D561K is suitable for use in AC power supplies, industrial equipment, lighting drivers, surge protection modules, relays, and other applications.

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Electrical Parameters

Part Number 14D561K

Package 14D

VAC [Max] (V) 350

VDC [Max] (V) 460

V1MA [Nom] (V) 560

VC@IPP [Max] (V) 920

IPP [Max] (A) 50

IMAX @8/20uS (A) 4500

Energy [Max] (J) 150

Capacitance (pF) 360

TSTG (°C) -40～+125

Status Active

Product Features

14D561K High Surge Current Handling Capability High Energy Absorbtion Capability Fast Response Time of Less Than 25ns Low Clamping Voltages. Providing Better Surge Protection Low Capacitance Values. Providing Digital Switching Circuitry Protection High Insulation Resistance. Preventing Electric Arching to the Adjacent Devices or Circuits