International Standards and Conformity Assessment for all electrical, electronic and related technologies



Reference EN 60301:2012
Title Preferred diameters of wire terminations of capacitors and resistors
Project Number 23474
Abstract/Scope IEC 60301:2012 gives a series of preferred diameters of the finished wire terminations of capacitors and resistors for use in electronic equipment. This third edition cancels and replaces the second edition, published in 1971, and its Amendment 1, published in 1972, and constitutes a technical revision. The main technical changes with respect to the second edition are the following: - employment of SI units only in the normative part of this standard, causing transfer of all imperial dimensions from Table 1 to the informative Annex A, - addition of two smaller diameters of wire terminations in Table 1, and - tightening of the tolerance ranges defined by minimum and maximum diameters in Table 1.


Current Stage code 6060
Current Stage code date 2012-10-05
Current Stage code deadline 2013-05-17
Deadline date for vote  


Order Voucher  


IEC Technical Body IEC/TC 40
Reference Document IEC 60301:2012 (EQV)
ICS 31.040 - Resistors
31.060 - Capacitors
Keywords Diameter; Wire termination; Termination; Capacitor; Resistor
Note Supersedes HD 349 S1:1977
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
6060 2012-10-05 2013-05-17 export to doc file  EN  FR  DE
5099 2012-08-17 2012-09-14  
5060 2012-07-02 2012-07-23 export to doc file  EN
5020 2012-04-27 2012-06-29  
5060 2011-09-12 2011-10-03 export to doc file  EN
3090 2011-09-09 2011-12-31  
5020 2011-04-08 2011-09-09  
1090 2011-04-05 2011-04-08  

Implementation Dates

date of Ratification (DOR) (1) 2012-08-17
date of Availability (DAV) (2) 2012-10-05
date of Announcement (DOA) (3) 2012-11-17
date of Publication (DOP) (4) 2013-05-17
date of Withdrawal (DOW) (5) 2015-08-17


Supersedes HD 349 S1:1977
Superseded by  
Normative reference (6)  

(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.