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BS QC420100(1992) : 1992

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRIC COMPONENTS - VARISTORS FOR USE IN ELECTRONIC EQUIPMENT - SECTIONAL SPECIFICATION FOR SURGE SUPPRESSION VARISTORS

Available format(s)

Hardcopy , PDF

Superseded date

29-02-2012

Superseded by

BS IEC 61051-2 : 1992

Language(s)

English

Published date

01-01-1992

€156.59
Excluding VAT

Committees responsible
National foreword
Section one. General
1 General
1.1 Scope
1.2 Object
1.3 Related documents
1.4 Information to be given in a detail specification
Section two. Preferred ratings, characteristics and
                test severities
2 Preferred ratings, characteristics and test
     severities
2.1 Preferred characteristics
2.2 Derating curves
2.3 Preferred test severities
Section three. Quality assessment procedures
3 Quality assessment procedures
3.1 Structurally Similar Components
3.2 Qualification Approval
3.3 Quality Conformance Inspection

Prescribes preferred ratings and characteristics and to select from IEC Publication 1051-1, the appropriate tests and measuring methods, the appropriate quality assessment procedures and to give general performance requirements for this type of varistor. Applies to surge suppression varistors meant to protect electronic and other sensitive equipment from surges, operating from a d.c. supply, or an a.c. supply having a frequency not more than 400 HZ.

Committee
EPL/40
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

BS EN 61000-5-5:1996 Electromagnetic compatibility (EMC). Installation and mitigation guidelines Specification of protective devices for HEMP conducted disturbance. Basic EMC publication

BS 2011-2.1B:1977 Environmental testing. Tests Tests B. Dry Heat
BS QC 420000:1992 Harmonized system of quality assessment for electronic components. Varistors for use in electronic equipment: generic specification
BS 2011-2.1N:1985 Environmental testing. Tests Test N. Change of temperature
BS 2011-2.1Ca:1977 Environmental testing. Tests Test Ca. Damp heat, steady state
BS QC 001002:1991 Rules of procedure of the IEC quality assessment system for electronic components (IECQ)

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