Hangzhou Yongde Zov Metal Oxide Varistor Manufacturers

China 
                        Hangzhou Yongde Zov Metal Oxide Varistor Manufacturers
                      manufacture and supplier

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Hangzhou Yongde Zov Metal Oxide Varistor Manufacturers

D42

Lightning Arrester

Varistor

Standard

Zinc Oxide Varistor

Protection

Standard

Silvery Gey, Brown

42mm

191g

5% 10%

Standard

0.25W

Surface Mount

YongDe

Carton

Zhejiang, China (Mainland)

85353000

Product Details

Zinc oxide varistor technical parameter:

Description: 

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

Large 4/10μs high current impulse withstand

 

 

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