20D121K datasheet, PDF - EEWORLD Datasheet

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20D121K: DescriptionVDR（Voltage Dependent Resistor）; CategoryPassive components; File Size366KB，3 Pages; ManufacturerSPSEMI; Websitehttp://www.spsemi.cn

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20D121K Overview

VDR（Voltage Dependent Resistor）

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20D Series

Varistor Type MYG

Type MYG Varistors are made of semiconductor ceramic materials composed mainly of

zinc oxide. They have non-linear resistance that changes as a function of applied voltage. It has

small size, high current capacity, and high protection level.

Features

Recommended Applications

　　　　　　＞

Protection of semiconductors

Surge protection of consumer equipment

Surge protection of communication, measuring or controller instrument

Relay or electromagnetic Valve surge absorption

Wide Varistor voltage range (18V½１８００V)

Excellent non-linearity and protection level

Large withstanding surge current

Fast response（≤20ns）

Explanation of Part Numbers

Element Size

20mm

Varistor Voltage

The first two digits are

ignificant figures and the

third one denotes number of

zeros following

Voltage

Tolerance

K:±10%

Dimension

Range of voltage

(V)

max

Dimensions(mm)

max

min

d±

0.1

D1±1.0

18 - 68

82 - 1800

23.0

23.5

4.1~5.5 25

4.8~15.5 25

1.0

10.0

REV.2014.05.01

01 | www.spsemi.cn

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