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Reference EN 62317-4:2005
Title Ferrite cores - Dimensions - Part 4: RM-cores and associated parts
Project Number 16583
Abstract/Scope Specifies the dimensions that are of importance for mechanical interchangeability for a preferred range of RM-cores and low-profile RM-cores made of ferrite, and the locations of their terminal pins on a 2,54 mm printed wiring grid in relation to the base outlines of the cores. Also specifies the test conditions and clamping forces to be used for inductance measurement.


Current Stage code 6060
Current Stage code date 2005-12-21
Current Stage code deadline 2006-07-01
Deadline date for vote  


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IEC Technical Body IEC/TC 51
Reference Document IEC 62317-4:2005 (EQV)
ICS 29.100.10 - Magnetic components
Keywords RM core; Magnetic oxide; Dimensions
Note Supersedes EN 60431:1997 + A2:1998
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
6060 2005-12-21 2006-07-01 export to doc file  EN  DE
5099 2005-10-01 2006-01-01  
5020 2005-07-01 2005-09-02  
4099 2005-05-06 2005-07-31  
4020 2004-11-05 2005-04-08  

Implementation Dates

date of Ratification (DOR) (1) 2005-10-01
date of Availability (DAV) (2) 2005-12-21
date of Announcement (DOA) (3) 2006-01-01
date of Publication (DOP) (4) 2006-07-01
date of Withdrawal (DOW) (5) 2008-10-01


Supersedes EN 60431:1997
EN 60431:1997/A2:1998
Superseded by  
Normative reference (6) EN 60097:1993
EN 60205:2001

(1) Date of ratification (dor) date when the Technical Board notes the approval of an EN (and HD for CENELEC), from which time the standard may be said to be approved

(2) Date of availability (dav) date when the definitive text in the official language versions of an approved CEN/CENELEC publication is distributed by the Central Secretariat

(3) Date of announcement (doa) latest date by which the existence of an EN (and HD for CENELEC), a TS or a CWA has to be announced at national level

(4) Date of publication (dop) latest date by which an EN has to be implemented at national level by publication of an identical national standard or by endorsement

(5) Date of withdrawal (dow) latest date by which national standards conflicting with an EN (and HD for CENELEC) have to be withdrawn

(6) This list of normative references is purely indicative. The only official list of normative reference is the list of the published standard.