D52 High Power Znr 3movs Varistor

China 
                        D52 High Power Znr 3movs Varistor
                      manufacture and supplier

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D52 High Power Znr 3movs Varistor

D52 Varistor

Varistor, Surge Arrester Varistor

10K

Protection

100 Ppm

Lightning Arresters

Silvery Grey, Brown

D52 High Power Znr 3movs Varistor

52mm

0.05

155

0.25W 1/4W

Surface Mount

YongDe

Carton for D52 High Power Znr 3movs Varistor

Zhejiang, China (Mainland)

85353000

Product Details

D52 High Power Znr 3movs Varistor

 

MOV Specifications:

Key Specification/special feature  
Brand:  YONGDE
Type: D52H24
Material: Zinc oxide
Demension:  diameter 52 mm , height 24mm
Voltage Gradient V/mm: 210~235
Square Wave Test Valve:  600
4/20μ S High Current  Withstand  kA:  120
8/20μ S high current withstand kA / 10 kA:  9.4
DC1mA Refering Voltage kV : 5.35
0.75Times U1mA Leak current μ A <: 30
Residual Votage Ratio: 1.75
Aging Load Point Ratio%: 90

Description: 

Metal 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
L
arge 4/10μs high current impulse withstand

 

 

 

 

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