BS EN IEC 61051-2:2021 PDF

Varistors for use in electronic equipment - Sectional specification for surge suppression varistors

First page of standard BS EN IEC 61051-2:2021

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Title (English):

BS EN IEC 61051-2:2021

Varistors for use in electronic equipment - Sectional specification for surge suppression varistors

Document status:: Active
Format:: Electronic (PDF)
Publication date:: March 31, 2022
ICS:: 31.040.20
Technical committee:: CENELEC
SKU:: BS EN IEC 61051-2:2021

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Abstract

1 Scope

This part of IEC 61051 is a sectional specification and is applicable to metal oxide varistors with symmetrical voltage-current characteristics for use in electronic equipment connected to any AC or DC supply system. These varistors are designed to protect electronic and other sensitive equipment from high transient surges. Varistors under the scope of this sectional specification are not intended to give primary protection against lightning surges. These varistors have metallic connections and are intended to be mounted as through hole component or directly on to printed boards. The object of this document is to prescribe preferred ratings and characteristics and to select from IEC 61051–1 the appropriate quality assessment procedures, tests and measuring methods, and to give general performance requirements for this type of varistors.

Related standards

Mentioned in the description and other BS standards

1 Scope

BS EN IEC 61051-2:2021 PDF

Abstract

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Abstract

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