SC 37B

Components for low-voltage surge protection

SC 37B Work programme (6)

Project Reference	Document Reference	Init. Date	Current Stage	Next Stage	Working Group	Project Leader	Fcst. Publ. Date
PWI 37B-08 ED1 IEC 61643-342/Ed1			PWI PWI Preliminary work item 2011-05	prePNW prePNW Preparation of NP document	WG 2	Michael Maytum
PWI 37B-11 IEC 61643-371, Performance Requirements and Test Methods for Hybrid Integrated Circuits Containing a Gas Discharge Tube (GDT) and a Metal-Oxide Varistor (MOV)			PWI PWI Preliminary work item 2020-02	prePNW prePNW Preparation of NP document 2023-02		Naoyuki Tsukamoto
PWI 37B-12 IEC 61643-372, Selection and Application Principles for Hybrid Integrated Circuits Containing a Gas Discharge Tube (GDT) and a Metal-Oxide Varistor (MOV)			PWI PWI Preliminary work item 2020-02	prePNW prePNW Preparation of NP document 2023-02		Naoyuki Tsukamoto
IEC 61643-321 ED2 Components for low-voltage surge protection - Part 321: Performance requirements and test circuits for silicon PN-junction voltage limiters	37B/190/CD 401 kB	2018-08	CDM CDM CD to be discussed at meeting 2020-02	2020-06	MT 2	Michael Maytum	2022-07
IEC 61643-322 ED1 Components for low-voltage surge protection – Part 322: Selection and application principles for silicon PN-junction voltage limiters	37B/191/CDV 529 kB 1306 kB	2019-01	AFDIS AFDIS Approved for FDIS 2020-02	TFDIS TFDIS Translation of FDIS 2020-05	WG 2	Michael Maytum	2021-10
IEC 61643-332 ED1 Components for low-voltage surge protection – Part 332: Selection and application principles for metal oxide varistors (MOV)	37B/221/CD 1512 kB	2019-07	PCC PCC Preparation of CC 2020-08	2020-09	WG 1	Naoyuki Tsukamoto	2022-06

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