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BS EN 60384-1:2016

BS EN 60384-1:2016

$215.11

Fixed capacitors for use in electronic equipment – Generic specification

Published By Publication Date Number of Pages
BSI 2016 92
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1.1 Scope

This part of IEC 60384 is a generic specification and is applicable to fixed capacitors for use in electronic equipment.

It establishes standard terms, inspection procedures and methods of test for use in sectional and detail specifications of electronic components for quality assessment or any other purpose.

1.2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

  • IEC 60027 (all parts), Letter symbols to be used in electrical technology
  • IEC 60050 (all parts), International Electrotechnical Vocabulary 1
  • IEC 60062, Marking codes for resistors and capacitors
  • IEC 60063, Preferred number series for resistors and capacitors
  • IEC 60068‑1:2013, Environmental testing — Part 1: General and guidance
  • IEC 60068‑2‑1:2007, Environmental testing — Part 2-1: Tests — Tests A: Cold
  • IEC 60068‑2‑2:2007, Environmental testing — Part 2-2: Tests — Tests B: Dry heat
  • IEC 60068‑2‑6:2007, Environmental testing — Part 2-6: Tests — Test Fc: Vibration (sinusoidal)
  • IEC 60068‑2‑13:1983, Environmental testing — Part 2-13: Tests — Test M: Low air pressure
  • IEC 60068‑2‑14:2009, Environmental testing — Part 2-14: Tests — Test N: Change of temperature
  • IEC 60068‑2‑17:1994, Environmental testing — Part 2-17: Tests — Test Q: Sealing
  • IEC 60068‑2‑20:2008, Environmental testing — Part 2-20: Tests — Test T: Test methods for solderability and resistance to soldering heat of devices with leads
  • IEC 60068‑2‑21:2006, Environmental testing — Part 2-21: Tests — Test U: Robustness of terminations and integral mounting devices
  • IEC 60068‑2‑27:2008, Environmental testing — Part 2-27: Tests — Test Ea and guidance: Shock
  • IEC 60068‑2‑30:2005, Environmental testing — Part 2-30: Tests — Test Db: Damp heat, cyclic (12 h + 12 h cycle)
  • IEC 60068‑2‑45:1980, Environmental testing — Part 2-45: Tests — Test XA and guidance: Immersion in cleaning solvents IEC 60068-2-45:1980/AMD1:1993
  • IEC 60068‑2‑54:2006, Environmental testing — Part 2-54: Tests — Test Ta: Solderability testing of electronic components by the wetting balance method
  • IEC 60068‑2‑58:2015, Environmental testing — Part 2-58: Tests — Test Td: Test methods for solderability, resistance to dissolution of metallization and to soldering heat of surface mounting devices (SMD)
  • IEC 60068‑2‑67:1995, Environmental testing — Part 2-67: Tests — Test Cy: Damp heat, steady state, accelerated test primarily intended for components
  • IEC 60068‑2‑69:2007, Environmental testing — Part 2-69: Tests — Test Te: Solderability testing of electronic components for surface mounting devices (SMD) by the wetting balance method
  • IEC 60068‑2‑78:2012, Environmental testing — Part 2-78: Tests — Test Cab: Damp heat, steady state
  • IEC 60068‑2‑82:2007, Environmental testing — Part 2-82: Tests — Test XW1: Whisker test methods for electronic and electric components
  • IEC 60294, Measurement of the dimensions of a cylindrical component with axial terminations
  • IEC 60617, Graphical symbols for diagrams
  • IEC 60695‑11‑5:2004, Fire hazard testing — Part 11-5: Test flames — Needle-flame test method — Apparatus, confirmatory test arrangement and guidance
  • IEC 60717, Method for the determination of the space required by capacitors and resistors with unidirectional terminations
  • IEC 61193‑2, Quality assessment systems — Part 2: Selection and use of sampling plans for inspection of electronic components and packages
  • IEC 61249‑2‑7:2002, Materials for printed boards and other interconnecting structures — Part 2-7: Reinforced base materials clad and unclad — Epoxide woven E-glass laminated sheet of defined flammability (vertical burning test), copper-clad
  • ISO 3, Preferred numbers — Series of preferred numbers
  • ISO 80000‑1, Quantities and units — Part 1: General

PDF Catalog

PDF Pages PDF Title
4 European foreword
Endorsement notice
7 English
CONTENTS
14 FOREWORD
16 INTRODUCTION
18 1 General
1.1 Scope
1.2 Normative references
20 2 Technical data
2.1 Symbols, units and abbreviated terms
2.1.1 General
2.1.2 Letter symbols
21 2.1.3 Abbreviations
2.2 Terms and definitions
26 2.3 Preferred values and additional technical requirements
2.3.1 General
2.3.2 Preferred values of nominal capacitance
2.3.3 Preferred values of rated voltage
2.3.4 Rated a.c. load
27 2.3.5 Rated pulse load
2.3.6 Temperature derated voltage
Figures
Figure 1 – Reactive power against frequency
28 2.4 Marking
2.4.1 General
2.4.2 Coding
3 Quality assessment procedures
Figure 2 – Relation between category temperature range and applied voltage
29 4 Tests and measurement procedures
30 4.1 General
4.2 Standard atmospheric conditions
4.2.1 Standard atmospheric conditions for testing
4.2.2 Recovery conditions
31 4.2.3 Referee conditions
4.2.4 Reference conditions
4.3 Drying
4.4 Visual examination and check of dimensions
4.4.1 Visual examination
4.4.2 Dimensions (gauging)
4.4.3 Dimensions (detail)
Tables
Table 1 – Referee conditions
32 4.5 Insulation resistance
4.5.1 Preconditioning
4.5.2 Measuring conditions
4.5.3 Test points
4.5.4 Test methods
Table 2 – Measurement of insulation resistance
33 4.5.5 Temperature compensation
4.5.6 Conditions to be prescribed in the relevant specification
34 4.6 Voltage proof
4.6.1 General
4.6.2 Test circuit (for the test between terminations)
Table 3 – Measuring points
35 4.6.3 Test
Figure 3 – Voltage-proof test circuit
37 4.6.4 Requirements
4.6.5 Conditions to be prescribed in the relevant specification
4.7 Capacitance
4.7.1 Measuring frequency and measuring voltage
38 4.7.2 Measuring equipment
4.7.3 Conditions to be prescribed in the relevant specification
4.8 Tangent of loss angle and equivalent series resistance (ESR)
4.8.1 Tangent of loss angle
4.8.2 Equivalent series resistance (ESR)
39 4.9 Leakage current
4.9.1 Preconditioning
4.9.2 Test method
4.9.3 Power source
4.9.4 Measuring accuracy
4.9.5 Test circuit
4.9.6 Conditions to be prescribed in the relevant specification
4.10 Impedance
40 4.11 Selfresonant frequency and inductance
4.11.1 Self-resonant frequency (fr)
Figure 4 – Schematic diagram of the impedance measuring circuit
41 Figure 5 – Capacitor mounting arrangement
42 Figure 6 – Capacitor mounting arrangement
Figure 7 – Typical diagram of an absorption oscillator-wavemeter
43 4.11.2 Inductance
4.11.3 Conditions to be prescribed in the relevant specification
4.12 Outer foil termination
Figure 8 – Schematic diagram of the measuring circuit
44 4.13 Robustness of terminations
4.13.1 General
4.13.2 Test Ua1 – Tensile
Figure 9 – Test circuit
45 4.13.3 Test Ub – Bending (half of the sample)
4.13.4 Test Uc – Torsion (remaining sample)
4.13.5 Test Ud – Torque
4.13.6 Visual examination
Table 4 – Tensile force
Table 5 – Torque
46 4.14 Resistance to soldering heat
4.14.1 Preconditioning and initial measurement
4.14.2 Test procedure
4.14.3 Recovery
4.14.4 Final inspection, measurement and requirements
4.15 Solderability
4.15.1 General
4.15.2 Preconditioning
47 4.15.3 Test procedure
4.15.4 Final inspection, measurements and requirements
4.16 Rapid change of temperature
4.16.1 Initial measurement
4.16.2 Test procedure
4.16.3 Final inspection, measurements and requirements
4.17 Vibration
4.17.1 Initial measurement
48 4.17.2 Test procedure
4.17.3 Electrical test (intermediate measurement)
4.17.4 Final inspection, measurements and requirements
4.18 Bump (repetitive shock)
4.18.1 Initial measurement
4.18.2 Test procedure
4.18.3 Final inspection, measurements and requirements
4.19 Shock
4.19.1 Initial measurement
4.19.2 Test procedure
49 4.19.3 Final inspection, measurements and requirements
4.20 Container sealing
4.21 Climatic sequence
4.21.1 General
4.21.2 Initial measurements
4.21.3 Dry heat
4.21.4 Damp heat, cyclic, Test Db, first cycle
4.21.5 Cold
50 4.21.6 Low air pressure
4.21.7 Damp heat, cyclic, Test Db, remaining cycles
4.21.8 Final measurements
4.22 Damp heat, steady state
4.22.1 Initial measurement
4.22.2 Test procedure
Table 6 – Number of cycles
51 4.22.3 Final inspection, measurements and requirements
4.23 Endurance
4.23.1 Initial measurements
4.23.2 Test procedure
4.23.3 Conditions to be prescribed in the relevant specification
4.23.4 Test voltage
52 4.23.5 Placement in the test chamber
4.23.6 Recovery
4.23.7 Final inspection, measurements and requirements
Figure 10 – Test circuit for electrolytic capacitors
53 4.24 Variation of capacitance with temperature
4.24.1 Static method
4.24.2 Dynamic method
54 4.24.3 Methods of calculation
55 4.25 Storage
4.25.1 Storage at high temperature
4.25.2 Storage at low temperature
56 4.26 Surge
4.26.1 Initial measurement
4.26.2 Test procedure
Figure 11 – Relay circuit
Figure 12 – Thyristor circuit
57 4.26.3 Final inspection, measurements and requirements
4.26.4 Information to be given in the relevant detail specification
4.27 Charge and discharge tests and inrush current test
4.27.1 Initial measurement
4.27.2 Test procedure
Figure 13 – Voltage waveform across capacitor
58 4.27.3 Charge and discharge
Figure 14 – Voltage and current waveform
59 4.27.4 Inrush current
4.27.5 Final inspection, measurements and requirements
4.28 Pressure relief (for aluminium electrolytic capacitors)
4.28.1 General
4.28.2 AC test
4.28.3 DC test
4.28.4 Pneumatic test
4.28.5 Final inspection, measurements and requirements
4.29 Characteristics at high and low temperature
4.29.1 Test procedure
60 4.29.2 Requirements
4.30 Thermal stability test
4.31 Component solvent resistance
4.31.1 Initial measurements
4.31.2 Test procedure
4.31.3 Final inspection, measurements and requirements
4.32 Solvent resistance of marking
4.32.1 Test procedure
61 4.32.2 Final inspection, measurements and requirements
4.33 Mounting (for surface mount capacitors only)
4.33.1 Substrate
4.33.2 Wave soldering
4.33.3 Reflow soldering
63 Figure 15 – Suitable substrate for mechanical tests
64 4.34 Shear test
4.34.1 Test procedure
4.34.2 Final inspection, measurements and requirements
4.35 Substrate bending test
4.35.1 Test procedure
Figure 16 – Suitable substrate for electrical tests
65 4.35.2 Recovery
4.35.3 Final inspection and requirements
4.36 Dielectric absorption
4.36.1 Test procedure
66 4.36.2 Requirement
4.37 Damp heat, steady state, accelerated
4.37.1 Initial measurements
4.37.2 Test methods
4.37.3 Test procedures
4.37.4 Final inspection, measurements and requirements
4.38 Passive flammability
4.38.1 Test procedure
67 4.38.2 Final inspection, measurements and requirements
4.39 High surge current test
4.39.1 Initial measurements
4.39.2 Test procedure
Table 7 – Severities and requirements
68 4.39.3 Requirements for the charging circuit
4.39.4 Nonconforming items
4.40 Voltage transient overload (for aluminium electrolytic capacitors with non-solid electrolyte)
4.40.1 Initial measurement
4.40.2 Test procedure
Figure 17 – High surge current test
69 Figure 18 – Voltage transient overload test circuit
70 4.40.3 Final inspection, measurements and requirements
4.40.4 Conditions to be prescribed in the relevant specification
4.41 Whisker growth test
4.41.1 General
Figure 19 – Voltage waveform
71 4.41.2 Preparation of specimen
4.41.3 Initial measurement
4.41.4 Test procedures
4.41.5 Test severities
4.41.6 Final inspection, measurements and requirements
72 Annexes
Annex A (informative) Interpretation of sampling plans and procedures as described in IEC 60410 for use within quality assessment systems
73 Annex B (informative) Rules for the preparation of detail specifications for capacitors and resistors for electronic equipment for use within quality assessment systems
B.1 Drafting
B.2 Reference standard
B.3 Circulation
74 Annex C (informative) Layout of the first page of a PCP/CQC specification
75 Annex D (informative) Requirements for capability approval test report
D.1 General
D.2 Requirements
D.3 Summary of test information (for each CQC)
D.4 Measurement record
76 Annex E (informative) Guide for pulse testing of capacitors
E.1 Overview
E.2 Typical capacitor pulse conditions
77 E.3 Effect of inductance on pulse testing
79 Annex F (informative) Guidance for the extension of endurance tests on fixed capacitors
F.1 Overview
F.2 Guidelines
80 Annex G (normative) Damp heat, steady state with voltage applied, for metallized film capacitors only
G.1 Overview
G.2 Test procedure
81 Annex H (normative) Accelerated damp heat, steady state, for multilayer ceramic capacitors only
H.1 Mounting of capacitors
H.2 Initial measurement
H.3 Test procedure
H.4 Recovery
H.5 Final inspection, measurements and requirements
82 Annex Q (informative) Quality assessment procedures
Q.1 General
Q.1.1 Scope of this annex
83 Q.1.2 Quality assessment definitions
Q.1.3 Rework
84 Q.1.4 Alternative test methods
Q.1.5 Certified test records of released lots
Q.1.6 Unchecked parameters
Q.1.7 Delayed delivery
Q.1.8 Repair
85 Q.1.9 Registration of approvals
Q.1.10 Manufacture outside the geographical limits
Q.2 Qualification approval (QA) procedures
Q.2.1 Eligibility for qualification approval
Q.2.2 Application for qualification approval
Q.2.3 Subcontracting
Q.2.4 Test procedure for the initial product qualification approval
Q.2.5 Granting of qualification approval
86 Q.2.6 Maintenance of qualification approval
Q.2.7 Quality conformance inspection
Q.3 Capability approval (CA) procedures
Q.3.1 General
Q.3.2 Eligibility for capability approval
87 Q.3.3 Application for capability approval
Q.3.4 Subcontracting
Q.3.5 Description of the capability
Q.3.6 Demonstration and verification of capability
Q.3.7 Granting of capability approval
Q.3.8 Maintenance of capability approval
Q.3.9 Quality conformance inspection
88 Q.4 Technology approval (TA) procedure
Q.4.1 General
Q.4.2 Eligibility for technology approval
Q.4.3 Application of technology approval
Q.4.4 Subcontracting
Q.4.5 Description of technology
Q.4.6 Demonstration and verification of the technology
89 Q.4.7 Granting of technology approval
Q.4.8 Maintenance of technology approval
Q.4.9 Quality conformance inspection
90 Bibliography

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BS EN 60384-1:2016
$215.11