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High Through Flow Voltage Dependent Resistors Metal Oxide Varistor Disc D52

High Through Flow Voltage Dependent Resistors Metal Oxide Varistor Disc D52

Brand Name : YONGDE
Model Number : D52
Certification : ISO9001/KEMA
Place of Origin : Zhejiang,China(Mainland)
MOQ : 1pcs
Price : negotiation
Payment Terms : T/T or western Union or L/C or PayPal, MoneyGram, D/P, D/A
Supply Ability : 30,000pcs per month
Delivery Time : 20 working days after received your payment
Packaging Details : carton
Product name : Varistor
Apply for : Lightning Arrester
Function : Protection
Model : D52
Diameter : 52mm
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High Through-flow Varistor Disc D52


Zinc oxide varistor is the core of the arrester,which main component is Zinc Oxide and with a small quantity of bismuth oxide, fluoride oxide, manganous carbonate, antimony oxide and other gleam of additive and made with high temperature.

Metal oxide Varistors microsturcture mainly constitute of Zinc Oxide grain, grain boundary layer and chienship phase. And its electric conduction principle lies that Zinc Oxide grain has good electro conductibility, and the voltage to the Zinc Oxide is almost act on high resistant grain boundary layer. Varistors nonlinearity mainly comes from grain boundary layer(the main ingredient is bismuth oxide) chienship phase scattered throughout the grain boundary layer which is the multiple oxide of Zinc Oxide and bismuth oxide. Its function lies in restraining the growing of Zinc Oxide grain to make the better nonlinearity.

Features: large 2000μs rectangular impulse absorption capacity

Technical chart:

TypeD52 Metal Oxide Varistor(MOV)
Specification mmD52*24
Voltage Gradient V/mm210~235
Square Wave Test Valve600
4/20μ S High Current Withstand kA120
8/20μ S high current withstand kA / 10 kA9.4
DC1mA Refering Voltage kV5.35
0.75Times U1mA Leak current μ A <30
Residual Votage Ratio1.75
Aging Load Point Ratio%90

Product Tags:

MOV metal oxide varistor


high voltage varistor

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