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IEC 60539-1/AMD1 ED4

Amendment 1 - Directly heated negative temperature coefficient thermistors - Part 1: Generic specification IEC 60539-1/AMD1 ED4

General information

40.99   Full report circulated: DIS approved for registration as FDIS   Jun 26, 2026

DECFDIS    Sep 30, 2026

IEC

TC 40

International Standard

31.040.30   Thermistors

Life cycle

PREVIOUSLY

PUBLISHED
IEC 60539-1:2022 ED4

NOW

IN_DEVELOPMENT
IEC 60539-1/AMD1 ED4
40.99 Full report circulated: DIS approved for registration as FDIS
Jun 26, 2026




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