实践表明，压敏电阻作直流电源的整流器的保护元件优于二极管。

Practice shows that pressure sensitive resistance as a protective element of rectifier for D. C. supply is preferable to diode.

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型压敏电阻器是以氧化锌为主要原料制造的半导体陶瓷元件，其电阻值随施加电压的变化而呈非线性变化。

Type MYG Varistors are made of semiconductor ceramic materials composed mainly of zinc oxides. They have non-linear resistance that changes as a function of applied voltage.

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MYGJ高能型压敏电阻器是以氧化锌为主要原料的半导体陶瓷元件，其电阻值随施加电压的变化而变化。

Type MYGJ varistors are made of semiconductor ceramic material composed mainly of zinc oxides. They have non-linear resistance that changes as a function of applied voltage.

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