IEC 62391-1:2022 PRV 
Pre release version

Fixed electric double-layer capacitors for use in electric and electronic equipment - Part 1: Generic specification

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Abstract

This Final Draft International Standard is an up to 6 weeks' pre-release of the official publication. It is available for sale during its voting period: 2022-07-22 to 2022-09-02. By purchasing this FDIS now, you will automatically receive, in addition, the final publication.

IEC 62391-1:2022 applies to fixed electric double-layer capacitors (hereafter referred to as capacitors) mainly used in DC circuits of electric and electronic equipment.
This part of IEC 62391 establishes standard terms, inspection procedures and methods of test for use in sectional and detail specifications of electronic components for quality assessment or any other purpose.
This edition includes the following significant technical changes with respect to the previous edition:
  1. The document has been completely restructured to comply with the ISO/IEC Directives, Part 2; a new technical categorization of test methods has been introduced and the test methods have been reorganized according to these new categories; tables, figures and references have been revised accordingly.
  2. Calculation formula of charging/discharging efficiency in Annex D were divided into two cases: "Calculation assuming full charge and discharge" and "Calculation assuming incomplete charging and electrically due to internal resistance".

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Additional information

Publication typeInternational Standard
Publication date2022-07-22
Edition3.0
Available language(s)English
TC/SCTC 40 - Capacitors and resistors for electronic equipmentrss
ICS31.060.10 - Fixed capacitors
Stability date  2030
Pages63
File size1625 KB

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