IEC 60539-1/AMD1 ED4

Amendment 1 - Directly heated negative temperature coefficient thermistors - Part 1: Generic specification

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

Next stage: DECFDIS Next stage date : Sep 30, 2026

Originator: IEC

Owner: TC 40

Type: International Standard

ICS: 31.040.30 Thermistors

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