IEC 61643-341:2020 PRV 
Pre release version

Components for low-voltage surge protection - Part 341: Performance requirements and test circuits for thyristor surge suppressors (TSS)

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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: 2020-02-28 to 2020-04-10. By purchasing this FDIS now, you will automatically receive, in addition, the final publication.

IEC 61643-341:2020 specifies standard test circuits and methods for thyristor surge suppressor (TSS) components. These surge protective components, SPCs, are specially formulated thyristors designed to limit overvoltages and divert surge currents by clamping and switching actions. These SPCs are used in the construction of surge protective devices (SPDs) and equipment used in Information & Communications Technologies (ICT) networks with voltages up to AC 1 000 V and DC 1 500 V. This document is applicable to gated or non-gated TSS components with third quadrant (-v and –i) characteristics of blocking, conducting or switching. This document contains information on
  • terminology;
  • letter symbols;
  • essential ratings and characteristics;
  • rating verification and characteristic measurement;
This document does not apply to the conventional three-terminal thyristors as covered by IEC 60747-6. This second edition of IEC 61643-341 cancels and replaces the first edition published in 2001. This edition constitutes a technical revision.This edition includes the following significant technical changes with respect to the previous edition: Addition of performance values.

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Additional information

Publication typeInternational Standard
Publication date2020-02-28
Edition2.0
Available language(s)English/French
TC/SCTC 37/SC 37B - Components for low-voltage surge protectionrss
ICS31.080.10 - Diodes
Stability date  2023
Pages157
File size3412 KB

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