53D

Introduction

VARISTOR is a polycrystalline ceramic body consisting of semi conducting zinc-oxide (ZnO) grains and second phase(Including) Bi2O3,Sb2O3, MnO, CoO, etc) Located at the joints of the grains, it’s called varistor (variable resistor)

General specifications

  • Size _ 53D
  • Varistors Voltage_200Vdc to 1600Vdc
  • Max. Energy (10/1000uS)_550Joule to 2500Joule
  • Working Temp. Range_-40℃to+85℃
  • Max. Peak Current (8/20uS)_40000Amps(2 times) to 70000Amps(1 time)
  • Varistors Tolerance_±10%

Part numbering system

Example

VCR53D471KSNJ
①~③④~⑤⑦~⑨⑪~⑫

①~③

CodeSeries
VCR

④~⑤

CodeELEMENT DIA.
53∮53.0mm

CodeType
DDisc

⑦~⑨

CodeVoltage
331330V
1221200V

CodeTolerance
K±10%

⑪~⑫

CodeLead style
DMM Style
DNN Style

CodeExtra code
Standard
JHigh Surge

Download

Name PDF
53D Series Specification 53D_20140101.pdf
Dimension (32D~53D Series) Dimension-32-53D_20140101.pdf

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