Fixed capacitors for use in electronic equipment - Part 14: Sectional specification - Fixed capacitors for electromagnetic interference suppression and connection to the supply mains

Festkondensatoren zur Verwendung in Geräten der Elektronik - Teil 14: Rahmenspezifikation - Festkondensatoren zur Unterdrückung elektromagnetischer Störungen, geeignet für Netzbetrieb

Condensateurs fixes utilisés dans les équipements électroniques - Partie 14: Spécification intermédiaire - Condensateurs fixes d'antiparasitage et raccordement à l'alimentation

Nespremenljivi kondenzatorji za elektronsko opremo - 14. del: Področna specifikacija - Nespremenljivi kondenzatorji za dušenje elektromagnetnega motenja in za povezovanje z omrežnim napajanjem

General Information

Status
Not Published
Public Enquiry End Date
30-Apr-2022
Technical Committee
Current Stage
4020 - Public enquire (PE) (Adopted Project)
Start Date
18-Feb-2022
Due Date
08-Jul-2022
Completion Date
05-May-2022

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Standards Content (sample)

SLOVENSKI STANDARD
oSIST prEN IEC 60384-14:2022
01-april-2022
Nespremenljivi kondenzatorji za uporabo v elektronskih napravah - 14. del:
Področna specifikacija - Nespremenljivi kondenzatorji za dušenje
elektromagnetnega motenja in za povezovanje z omrežnim napajanjem

Fixed capacitors for use in electronic equipment - Part 14: Sectional specification - Fixed

capacitors for electromagnetic interference suppression and connection to the supply

mains
Festkondensatoren zur Verwendung in Geräten der Elektronik - Teil 14:
Rahmenspezifikation - Festkondensatoren zur Unterdrückung elektromagnetischer
Störungen, geeignet für Netzbetrieb
Condensateurs fixes utilisés dans les équipements électroniques - Partie 14:

Spécification intermédiaire - Condensateurs fixes d'antiparasitage et raccordement à

l'alimentation
Ta slovenski standard je istoveten z: prEN IEC 60384-14:2022
ICS:
31.060.10 Fiksni kondenzatorji Fixed capacitors
oSIST prEN IEC 60384-14:2022 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN IEC 60384-14:2022
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oSIST prEN IEC 60384-14:2022
40/2917/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 60384-14 ED5
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2022-02-11 2022-05-06
SUPERSEDES DOCUMENTS:
40/2856/CD, 40/2902/CC
IEC TC 40 : CAPACITORS AND RESISTORS FOR ELECTRONIC EQUIPMENT
SECRETARIAT: SECRETARY:
Netherlands Mr Ronald Drenthen
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:
Other TC/SCs are requested to indicate their interest, if any,
in this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY

SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING

Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft for
Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.

This document is still under study and subject to change. It should not be used for reference purposes.

Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of which

they are aware and to provide supporting documentation.
TITLE:

Fixed capacitors for use in electronic equipment - Part 14: Sectional specification - Fixed capacitors for

electromagnetic interference suppression and connection to the supply mains
PROPOSED STABILITY DATE: 2030
NOTE FROM TC/SC OFFICERS:

Copyright © 2022 International Electrotechnical Commission, IEC. All rights reserved. It is permitted to download this

electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.

You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without

permission in writing from IEC.
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oSIST prEN IEC 60384-14:2022
60384-14/Ed.5/CDV  IEC (E) – 2 – 40/2917/CDV
1 CONTENTS

3 FOREWORD ........................................................................................................................... 8

4 1 Scope ............................................................................................................................ 10

5 2 Normative references .................................................................................................... 10

6 3 Terms and definitions and classification ........................................................................ 11

7 3.1 Terms and definitions ............................................................................................ 11

8 3.2.1 Classification of X capacitors ......................................................................... 16

9 3.2.2 Classification of Y capacitors ......................................................................... 17

10 4 Preferred ratings and characteristics ............................................................................. 17

11 4.1 Preferred climatic categories ................................................................................. 17

12 4.2 Preferred values of ratings .................................................................................... 18

13 4.2.1 Nominal capacitance (C ) ............................................................................. 18

14 4.2.2 Tolerance on nominal capacitance ................................................................. 18

15 4.2.3 Selection of rated voltages (U ) .................................................................... 18

16 4.2.4 Nominal resistance (R ) ................................................................................ 18

17 4.2.5 Rated temperature ......................................................................................... 18

18 4.2.6 Passive flammability ...................................................................................... 18

19 4.3 Requirements for sleeving, tape, tubing and wire insulation .................................. 19

20 5 Test and measurement procedures, and performance requirements .............................. 19

21 5.1 General ................................................................................................................. 19

22 5.2 Visual examination and check of dimensions ........................................................ 19

23 5.2.1 General ......................................................................................................... 19

24 5.2.2 Creepage distances and clearances .............................................................. 19

25 5.3 Electrical tests ...................................................................................................... 20

26 5.3.1 Voltage proof ................................................................................................. 20

27 5.3.2 Capacitance .................................................................................................. 22

28 5.3.3 Tangent of loss angle .................................................................................... 22

29 5.3.4 Resistance (Equivalent Series Resistance (ESR)) (for RC units only) ............ 22

30 5.3.5 Insulation resistance ...................................................................................... 23

31 5.4 Robustness of terminations ................................................................................... 24

32 5.5 Resistance to soldering heat ................................................................................. 24

33 5.5.1 General ......................................................................................................... 24

34 5.5.2 Test conditions .............................................................................................. 25

35 5.5.3 Final inspection, measurements and requirements......................................... 25

36 5.6 Solderability .......................................................................................................... 25

37 5.6.1 General ......................................................................................................... 25

38 5.6.2 Test conditions .............................................................................................. 25

39 5.6.3 Requirements ................................................................................................ 25

40 5.7 Rapid change of temperature ................................................................................ 26

41 5.7.1 General ......................................................................................................... 26

42 5.7.2 Final inspection ............................................................................................. 26

43 5.8 Vibration ............................................................................................................... 26

44 5.8.1 General ......................................................................................................... 26

45 5.8.2 Test conditions .............................................................................................. 26

46 5.8.3 Final inspection ............................................................................................. 26

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47 5.9 Repetitive shock (bump) ....................................................................................... 26

48 5.9.1 General ......................................................................................................... 26

49 5.9.2 Test conditions .............................................................................................. 26

50 5.9.3 Final inspection, measurements and requirements......................................... 27

51 5.10 Shock ................................................................................................................... 27

52 5.10.1 General ......................................................................................................... 27

53 5.10.2 Test conditions .............................................................................................. 27

54 5.10.3 Final inspection, measurements and requirements......................................... 27

55 5.11 Container sealing .................................................................................................. 28

56 5.11.1 General ......................................................................................................... 28

57 5.11.2 Test conditions .............................................................................................. 28

58 5.11.3 Requirements ................................................................................................ 28

59 5.12 Climatic sequence................................................................................................. 28

60 5.12.1 General ......................................................................................................... 28

61 5.12.2 Initial measurements ..................................................................................... 28

62 5.12.3 Dry heat ........................................................................................................ 28

63 5.12.4 Damp heat, cyclic, test Db, first cycle ............................................................ 28

64 5.12.5 Cold............................................................................................................... 28

65 5.12.6 Damp heat, cyclic, test Db, remaining cycles ................................................. 29

66 5.12.7 Final inspection, measurements and requirements......................................... 29

67 5.13 Damp heat, steady state (DHSS) .......................................................................... 29

68 5.13.1 General ......................................................................................................... 29

69 5.13.2 Initial measurements ..................................................................................... 29

70 5.13.3 Test conditions .............................................................................................. 30

71 5.13.4 Final inspection, measurements and requirements......................................... 30

72 5.13.5 Sample size summary for humidity tests ........................................................ 32

73 5.14 Impulse voltage..................................................................................................... 32

74 5.14.1 General ......................................................................................................... 32

75 5.14.2 Initial measurements ..................................................................................... 32

76 5.14.3 Test conditions .............................................................................................. 32

77 5.14.4 Requirements ................................................................................................ 33

78 5.15 Endurance ............................................................................................................ 33

79 5.15.1 General ......................................................................................................... 33

80 5.15.2 Test conditions .............................................................................................. 33

81 5.15.3 Initial measurements ..................................................................................... 34

82 5.15.4 Endurance for Class X capacitors and RC units containing Class X

83 capacitors ...................................................................................................... 34

84 5.15.5 Endurance for Class Y capacitors and RC units containing Class Y

85 capacitors ...................................................................................................... 34

86 5.15.6 Endurance for the lead-through arrangements ............................................... 35

87 5.15.7 Test conditions – Combined voltage/current tests .......................................... 35

88 5.15.8 Final inspection, measurements and requirements......................................... 36

89 5.16 Charge and discharge ........................................................................................... 36

90 5.16.1 General ......................................................................................................... 36

91 5.16.2 Initial measurements ..................................................................................... 36

92 5.16.3 Test conditions .............................................................................................. 37

93 5.16.4 Final measurements and requirements .......................................................... 37

94 5.17 Radiofrequency characteristics ............................................................................. 38

95 5.18 Passive flammability test ....................................................................................... 38

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96 5.18.1 Testing according to IEC 60384-1 .................................................................. 38

97 5.18.2 Alternative passive flammability test .............................................................. 38

98 5.19 Active flammability test ......................................................................................... 39

99 5.19.2 Adjustment of U ............................................................................................ 41

100 5.19.3 Requirements ................................................................................................ 41

101 5.20 Component solvent resistance (if applicable) ........................................................ 41

102 5.21 Solvent resistance of the marking ......................................................................... 41

103 6 Marking ......................................................................................................................... 41

104 6.1 General ................................................................................................................. 41

105 6.2 Information for marking ......................................................................................... 41

106 6.3 Marking of capacitors ............................................................................................ 42

107 6.4 Marking of packaging ............................................................................................ 42

108 6.5 Additional marking ................................................................................................ 42

109 7 Information to be given in a detail specification .............................................................. 42

110 7.1 General ................................................................................................................. 42

111 7.2 Outline drawing and dimensions ........................................................................... 42

112 7.3 Mounting ............................................................................................................... 43

113 7.4 Ratings and characteristics ................................................................................... 43

114 7.4.1 General ......................................................................................................... 43

115 7.4.2 Nominal capacitance range ............................................................................ 43

116 7.4.3 Nominal resistance range (if applicable) ........................................................ 43

117 7.4.4 Particular characteristics ............................................................................... 43

118 8 Assessment procedures ................................................................................................ 43

119 8.1 Primary stage of manufacture ............................................................................... 43

120 8.2 Structurally similar components ............................................................................ 44

121 8.3 Certified records of released lots .......................................................................... 44

122 8.4 Approval testing .................................................................................................... 44

123 8.4.1 Safety tests only qualification approval .......................................................... 44

124 8.4.2 Qualification approval based on safety and performance testing .................... 44

125 8.4.3 Qualification approval based on the fixed sample size procedure................... 44

126 5.14.2 Initial measurements 5.14 Impulse voltage .................................................. 49

127 8.5 Quality conformance inspection ............................................................................ 49

128 8.5.1 General ......................................................................................................... 49

129 8.5.2 Formation of inspection lots ........................................................................... 50

130 8.5.3 Test schedule for safety tests only approval .................................................. 51

131 8.5.4 Delayed delivery ............................................................................................ 51

132 8.5.5 Assessment level ........................................................................................... 52

133 Annex A Circuit for the impulse voltage test (normative) ....................................................... 53

134 Annex B (normative) Circuit for the endurance test .............................................................. 55

135 Annex C (normative) Circuit for the charge and discharge test ............................................. 56

136 Annex D (normative) Declaration of design (confidential to the manufacturer and the

137 certification body) .......................................................................................................... 57

138 Annex E (informative) Pulse test circuits .............................................................................. 58

139 Annex F (normative) Particular requirements for safety test of surface mount

140 capacitors ...................................................................................................................... 60

141 F.1 General ................................................................................................................. 60

142 F.2 Test and measurement procedures ....................................................................... 60

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143 Annex G (informative) Capacitance ageing of fixed capacitors of ceramic dielectric,

144 Class 2 .......................................................................................................................... 63

145 G.1 Overview............................................................................................................... 63

146 G.2 Law of capacitance ageing .................................................................................... 63

147 G.3 Capacitance measurements and capacitance tolerance ........................................ 64

148 G.4 Special preconditioning ......................................................................................... 64

149 Annex H (normative) Use of safety approved AC rated capacitors in DC applications .......... 65

150 H.1 Overview............................................................................................................... 65

151 H.2 Background........................................................................................................... 65

152 H.3 Terms and definitions ............................................................................................ 65

153 H.4 Additional requirement for use of X- and Y-capacitors in DC applications .............. 65

154 H.5 Creepage and clearance distances ....................................................................... 66

155 Annex I (normative) Humidity robustness grades for applications, where high stability

156 under high humidity operating conditions is required...................................................... 67

157 I.1 Overview............................................................................................................... 67

158 I.2 Humidity robustness grades .................................................................................. 67

159 I.2.1 Grade (I) robustness under humidity .............................................................. 67

160 I.2.2 Grade (II) robustness under high humidity ..................................................... 67

161 I.2.3 Grade (III) high robustness under high humidity ............................................. 67

162 I.3 Test description .................................................................................................... 68

163 I.4 Indication of humidity robustness grades .............................................................. 68

164 Annex J (normative) Description of creepage/clearance distance measurement for

165 cased and conformal coated capacitors ......................................................................... 69

166 J.1 Measurement of creepage distances and clearance – general .............................. 69

167 J.1.1 General ......................................................................................................... 69

168 J.1.2 Capacitor styles ............................................................................................. 69

169 J.1.3 Capacitor body and terminal insulation .......................................................... 69

170 J.1.4 Measurement principle................................................................................... 70

171 J.2 Measurement ........................................................................................................ 71

172 J.2.1 Creepage distance between terminals ........................................................... 71

173 J.2.2 Clearance between terminals ......................................................................... 72

174 J.2.3 Clearance in mounted stage .......................................................................... 73

175 J.2.4 Conductors between terminals ....................................................................... 74

176 J.3 Precautions in handling ......................................................................................... 74

177 Annex K ................................................................................................................................ 75

178 K.1 Overview............................................................................................................... 75

179 K.2 Qualification approval ........................................................................................... 75

180 K.3 Quality conformance inspection ............................................................................ 83

181 K.3.1 General ......................................................................................................... 83

182 K.3.2 Groups A and B inspection ............................................................................ 83

183 K.3.3 Group C inspection ........................................................................................ 83

184 K.3.4 Test schedule for qualification approval ......................................................... 83

185 Annex X (informative) Cross-references for references to the previous edition of this

186 document ...................................................................................................................... 85

187 Bibliography .......................................................................................................................... 90

188
189
190
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191 Figure 1 – Two-terminal EMI suppression capacitor .............................................................. 12

192 Figure 2 – RC unit................................................................................................................. 12

193 Figure 3 – Lead-through capacitor (coaxial) .......................................................................... 12

194 Figure 4 – Lead-through capacitors ....................................................................................... 13

195 Figure 5 – By-pass capacitors ............................................................................................... 14

196 Figure 6 – Impulse wave form ............................................................................................... 33

197 Figure 7 – Typical circuit for pulse loading of capacitors under AC voltage ........................... 40

198 Figure 8 – Fundamental AC wave with randomly, not synchronized, superimposed

199 high-voltage pulse................................................................................................................. 40

200 Figure A.1 – Impulse voltage test circuit ............................................................................... 53

201 Figure B.1 – Endurance test circuit ....................................................................................... 55

202 Figure C.1 – Charge and discharge test circuit ...................................................................... 56

203 Figure E.1 – Charge waveform for both circuits: .................................................................... 58

204 Figure E.2 – Discharge waveform for inductive circuit: .......................................................... 58

205 Figure E.3 – Discharge waveform for resistive circuit: ........................................................... 59

206 Figure F.1 – Example of test substrate for safety test according to Table F.1 ........................ 62

207 Figure J.1 – Example of a cased capacitor ............................................................................ 69

208 Figure J.2 – Example of a conformal coated capacitor .......................................................... 69

209 Figure J.3 – Cased and conformal coated types .................................................................... 70

210 Figure J.4 – Description ........................................................................................................ 71

211 Figure J.5 – Creepage distance – cased style ....................................................................... 71

212 Figure J.6 – Creepage distance – conformal coated style ..................................................... 72

213 Figure J.7 – Clearance between terminals ............................................................................ 72

214 Figure J.8 – Clearance in mounted stage – cased style ......................................................... 73

215 Figure J.9 – Clearance – capacitor body larger than lead pitch ............................................. 73

216 Figure J.10 – Clearance – capacitor body smaller than lead pitch ......................................... 74

217

218 Table 1 – Classification of Class X capacitors ....................................................................... 16

219 Table 2 – Classification of Class Y capacitors ....................................................................... 17

220 Table 3 – Creepage distances and clearances ...................................................................... 20

221 Table 4– Voltage proof .......................................................................................................... 21

222 Table 5 – Insulation resistance – Safety tests only ................................................................ 23

223 Table 6 – Insulation resistance – S
...

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