1、BRITISH STANDARDBS EN 140401-802: 2007Detail specification: Fixed low power film SMD resistors Rectangular Stability classes 1; 2ICS 31.040.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g
2、60g3g38g50g51g60g53g44g42g43g55g3g47g36g58+A2:2013National forewordThis British Standard is the UK implementation of EN 140401-802:2007+A2:2013. It supersedes BS EN 140401-802:2007+A1:2010 which is withdrawn.The start and finish of text introduced or altered by amendment is indicated in the text by
3、tags. Tags indicating changes to CENELEC text carry the number of the CENELEC amendment. For example, text altered by CENELEC amendment A1 is indicated by !“.The UK participation in its preparation was entrusted to Technical Committee EPL/40X, Capacitors and resistors for electronic equipment.A list
4、 of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal
5、obligations.BS EN 140401-802:2007+A2:2013This British Standard waspublished under the authorityof the Standards Policy andStrategy Committeeon 30 November 2007 The British StandardsInstitution 2014. Publishedby BSI Standards Limited2014Amendments/corrigenda issued since publicationDate Comments 31 D
6、ecember 2010 Implementation of CENELEC amendment A1:201030 April 2014 Implementation of CENELEC amendment A2:2013ISBN 978 0 580 83118 8EUROPEAN STANDARD EN 140401-802:2007+A NORME EUROPENNE EUROPISCHE NORM CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation
7、 Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2007 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 140401-802:2007 E ICS 31.040.10 English version Det
8、ail specification: Fixed low power film SMD resistors - Rectangular - Stability classes 1; 2 Spcification particulire: Rsistances couche fixes faible dissipation CMS - Rectangulaires - Catgories de stabilit 1; 2 Bauartspezifikation: SMD Schicht-Festwiderstnde niedriger Belastbarkeit - Rechteckig - S
9、tabilittsklassen 1; 2 This European Standard was approved by CENELEC on 2007-05-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date list
10、s and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the re
11、sponsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germ
12、any, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. October 20132 2 Foreword This European Standard was prepared by the Technical Committee CENE
13、LEC TC 40XB, Resistors. The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 140401-802 on 2007-05-01. This European Standard supersedes EN 140401-802:2002 + A1:2004. Preceding documents on the subject covered by this specification have been CECC 4
14、0 401-802:1998, only on resistors without established reliability, now version A CECC 40 401-002:1993, CECC 40 401-004:1984; 1985; 1990; 1992, CECC 40 401-007:1989; 1990; 1992, only on resistors with established reliability, now version E CECC 40 401-006:1989; 1991; 1993. Compared to the superseded
15、standard, the following changes have been implemented: modification of the title; introduction of a test on the resistance to electrostatic discharge in 1.6 and Annex A; introduction of description and test methods for lead-free soldering in 1.8, 1.10.3 and Annex A; introduction of the code letters
16、for temperature coefficient as given in EN 60062; revision of the ordering information in 1.9.4; revised information on pulse load capability in 1.10.6; revised information on resistance value drift in 1.10.7; revised information on current noise in 1.10.9; adoption of the IECQ rules of procedure, Q
17、C 001002-3; revision of the sample quantities and the sequence of tests in Annex A; editorial revision. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2008-05-01 latest date
18、by which the national standards conflicting with the EN have to be withdrawn (dow) 2010-05-01 This specification is part of four documents describing fixed resistors for surface mount technology as follows: EN 60115-1 Fixed resistors for use in electronic equipment - Part 1: Generic specification (I
19、EC 60115-1, mod.) EN 140400 Sectional specification: Fixed low power surface mount (SMD) resistors EN 140401 Blank Detail Specification: Fixed low power non wire-wound surface mount (SMD) resistors EN 140401-802 Detail specification: Fixed low power film SMD resistors - Rectangular - Stability class
20、es 1; 2 _ BS EN 140401-802:2007+A2:2013 EN 140401-802:2007+A2:2013 (E)This amendment was prepared by the Technical Committee CENELEC TC 40XB, Resistors. The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as amendment A1 to EN 140401-802:2007 on 2010-10
21、-01. The following dates were fixed: latest date by which the amendment has to be implementedat national level by publication of an identical national standard or by endorsement (dop) 2011-10-01 latest date by which the national standards conflicting with the amendment have to be withdrawn (dow) 201
22、3-10-01 _ 3 Foreword to Amendment A1 This document (EN 140401-802:2007/A2:2013) has been prepared by CLC/TC 40XB “Resistors“. The following dates are fixed: latest date by which this document has to be implemented at national level by publication of an identical national standard or by endorsement (
23、dop) 2014-10-14 latest date by which the national standards conflicting with this document have to be withdrawn (dow) 2016-10-14 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for
24、identifying any or all such patent rights. Foreword to amendment A2BS EN 140401-802:2007+A2:2013 EN 140401-802:2007+A2:2013 (E)Table of contents 1 Characteristics and ratings5 1.1 Dimensions and ratings.5 1.2 Derating curve 6 1.3 Resistance range and tolerance on rated resistance.7 1.3.1 Version A.7
25、 1.3.2 Version E.7 1.4 Variation of resistance with temperature and temperature rise 8 1.5 Climatic categories9 1.6 Limits for change of resistance at tests .9 1.7 Non-linear properties10 1.8 Tests related to soldering.10 1.8.1 Severities for solderability testing 10 1.8.2 Severities for testing res
26、istance to soldering heat. 11 1.9 Marking, packaging and ordering designation 11 1.9.1 Marking of the component 11 1.9.2 Taping . 11 1.9.3 Marking of the packaging. 11 1.9.4 Ordering information 12 1.10 Additional information (not for inspection purpose) 12 1.10.1 Storage 12 1.10.2 Mounting 12 1.10.
27、3 Soldering process 12 1.10.4 Conductive gluing 13 1.10.5 Use of cleaning solvents 13 1.10.6 Pulse load capability 13 1.10.7 Variation of resistance value (drift) for operating times up to 200 000 h 16 1.10.8 Dissipation notes . 17 1.10.9 Current noise. 18 1.10.10 Temperature range extension 18 2 Qu
28、ality assessment procedures 19 2.1 General. 19 2.1.1 Zero defect approach. 19 2.1.2 100 %-test . 19 2.1.3 0 Resistor 20 2.1.4 Certificate of Conformity (CoC) 20 2.1.5 Certified test records20 2.1.6 Failure rate level 20 2.2 Qualification approval20 2.2.1 Version A.20 2.2.2 Version E.20 2.3 Quality c
29、onformance inspection 21 2.3.1 Qualification approval according to QC 001002-3, Clause 3. 21 2.3.2 Technology approval according to QC 001002-3, Clause 6 21 2.3.3 Non-conforming items 21 Annex A (normative) Fixed sample size Qualification Approval and Quality Conformance Inspection test schedule for
30、 fixed low power surface mount (SMD) resistors 22 Annex B (informative) Letter symbols and abbreviations 29 Bibliography 31 4 BS EN 140401-802:2007+A2:2013 EN 140401-802:2007+A2:2013 (E)Specification available from the National Committees members of CENELEC EN 140401-802 Electronic components of ass
31、essed quality in accordance with EN 60115-1:2001 + A1:2001 EN 140400:2003 EN 140401:2002 Fixed low power film chip resistors with rectangular base for surface mounting. Style: RR Ceramic substrate with protected, insulated, resistance film (thick film) and solder terminations Other shapes are permit
32、ted within the given dimensions. Figure 1 Outline and dimensions (see Table 1) Assessment level EZ aVersion A: with 100- %-test Version E: with failure rate level and 100- %-test Stability classes 1 and 2 aFor explanations on assessment level EZ see 2.1.1. 1 Characteristics and ratings Various param
33、eters of this component are precisely specified in this specification. Unspecified parameters may vary from one component to another. 1.1 Dimensions and ratings Information about manufacturers who have components qualified to this detail specification is available in the approvals section of the web
34、site http:/www.iecq.org 5 Table 1 Styles and dimensions Style Length L mm Width W mm Height H mm Termination T mm Mass bmg metric inch amin. max. min. max. min. max. min. max. max. RR1005M RR0402 0,95 1,10 0,45 0,60 0,25 0,40 0,10 0,35 0,8 RR1608M RR0603 1,50 1,70 0,75 0,95 0,35 0,55 0,10 0,50 2,1 R
35、R2012M RR0805 1,85 2,15 1,10 1,40 0,35 0,65 0,15 0,60 6,0 RR3216M RR1206 2,90 3,35 1,45 1,75 0,35 0,65 0,25 0,75 10,0 RR5025M RR2010 4,80 5,20 2,30 2,70 0,35 0,75 0,35 0,85 30,0 aHistorical style codes, for information only. bFor information only. Termination: WT 0,75 W Thickness: 0,005 mm to 0,05 m
36、m. #$BS EN 140401-802:2007+A2:2013 EN 140401-802:2007+A2:2013 (E)Table 2a Ratings for stability classes 2 and 1 Style Rated dissipation P70mW Limiting element voltage d.c. or a.c. (r.m.s.) Umax V Insulation voltage d.c. or a.c. (peak) UinsV 1 min continuous RR 1005M 63 50 75 75 RR 1608M 100 75 100 7
37、5 RR 2012M 125 150 200 75 RR 3216M 250 200 300 75 RR 5025M 500 300 300 75 Table 2b Ratings for 0 resistors Style Maximum current ImaxA Maximum resistance valuea Rmaxm Insulation voltage d.c. or a.c. (peak) UinsV 1 min continuous RR 1005M 0,63 20 75 75 RR 1608M 1,0 20 100 75 RR 2012M 1,5 20 200 75 RR
38、 3216M 2,0 20 300 75 RR 5025M 3,0 20 300 75 aThe resistance value shall be measured on the film side. 1.2 Derating curve Resistors covered by this specification are derated according to the following diagram: Ambient temperature aPercentage ofrated dissipation-50 C 100 C50 C0 C 150 C0 %60 %40 %20 %1
39、00 %80 %70 C-55 C 125 CLower category temperature (LCT) Upper category temperature (UCT)-100 C 200 CStability class 2; 1Figure 2 Derating curve 6 # $#$# $#$BS EN 140401-802:2007+A2:2013 EN 140401-802:2007+A2:2013 (E)1.3 Resistance range and tolerance on rated resistance 1.3.1 Version A The following
40、 combinations of temperature coefficient and tolerance on rated resistance may be approved only. Products from this extent shall be used for the qualification approval according to 2.2.1 and for the quality conformance inspection according to 2.3. Resistance values of an E-series according to IEC 60
41、063 shall be used. The qualification of resistance values below or beyond the specified resistance values is permitted, if they fulfil the requirements of the closest stability class (e.g. RR 1608M 1 % 1 M shall fulfil the requirements of stability class 1). Table 3a Resistance range, tolerance on r
42、ated resistance for version A Style Tolerance on rated resistance Temperature coefficient Resistance range Stability class % Code appm/K RR 1005M 5 J 200 1 to 6,8 M 2 2 G 100 10 to 1 M 2 1 F 100; 50 10 to 1 M 1 RR 1608M 5 J 200 1 to 6,8 M 2 2 G 100 10 to 1 M 2 1 F 100; 50 10 to 1 M 1 RR 2012M 5 J 20
43、0 1 to 10 M 2 2 G 100 10 to 1 M 2 1 F 100; 50 10 to 1 M 1 RR 3216M 5 J 200 1 to 10 M 2 2 G 100 10 to 1 M 2 1 F 100; 50 10 to 1 M 1 RR 5025M 5 J 200 1 to 10 M 2 2 G 100 10 to 1 M 2 1 F 100 ; 50 10 to 1 M 1 0 -resistors according to Table 2b for all styles. aCode letters according to EN 60062. 1.3.2 V
44、ersion E The following combinations of temperature coefficient, tolerance on rated resistance, resistance range and E-series according to IEC 60063 are permitted only. Products from this extent shall be used for the qualification approval according to 2.2.2 and for the quality conformance inspection
45、 according to 2.3. 7 # $#$# $BS EN 140401-802:2007+A2:2013 EN 140401-802:2007+A2:2013 (E)Table 3b Resistance range, tolerance on rated resistance for version E Style Tolerance on rated resistance Temperature coefficient Resistance range Stability class E series % Code appm/K RR 1005M 5 J 200 1 to 6,
46、8 M 2 E24 1 F 100 100 to 33,2 k 1 E96 RR 1608M 5 J 200 1 to 6,8 M 2 E24 1 F 100 10 to 1 M 1 E96 RR 2012M 5 J 200 1 to 9,1 2 E24 1,1 M to 10 M 2 1 F 100 10 to 1 M 1 E96 50 10 to 1 M 1 RR 3 16M 5 J 200 1 to 9,1 2 E24 1,1 M to 10 M 2 1 F 100 10 to 1 M 1 E96 50 10 to 1 M 1 RR 5025M 5 J 200 1 to 9,1 2 E2
47、4 1,1 M to 10 M 2 1 F 100 10 to 1 M 1 E96 50 10 to 1 M 1 0 -resistors according to Table 2b for all styles. aCode letters according to EN 60062. 1.4 Variation of resistance with temperature and temperature rise Table 4 Temperature coefficients and limits of resistance change Temperature coefficient
48、Limit of resistance change R/R % ppm/K CodeaCodebLCT / Reference temp. C Reference temp. / UCT C -55 / 20 20 / 125 200 UcA 1,5 2,1 100 S B 0,75 1,05 50 R C 0,375 0,525 aCode letters according to EN 60062. bHistorical code letters according to EN 140400, for information only. cTightening of the definition of code letter U (EN 60062: U = 250 ppm/K). 8 # $#$2BS EN 140401-802:2007+A2:2013 EN 140401-802:2007+A2:2013 (E)Table 5 Limit of temperature rise Stability class Limit of temperature rise at
