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BS EN IEC 60384-1:2021

BS EN IEC 60384-1:2021

$215.11

Fixed capacitors for use in electronic equipment – Generic specification

Published By Publication Date Number of Pages
BSI 2021 86
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PDF Pages PDF Title
2 undefined
5 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
7 English
CONTENTS
10 FOREWORD
12 INTRODUCTION
13 Figures
Figure 1 – Specification system for fixed capacitors
14 1 Scope
2 Normative references
16 3 Terms and definitions
20 4 General requirements
4.1 Symbols, units and abbreviated terms
22 4.2 Preferred values and additional technical requirements
23 Figure 2 – Reactive power against frequency
24 4.3 Marking
5 General provisions for tests and measurement procedures
5.1 General
Figure 3 – Relation between category temperature range and applied voltage
25 5.2 Standard atmospheric conditions
26 5.3 Drying
5.4 Storage
Tables
Table 1 – Referee conditions
27 5.5 Mounting (for surface mount capacitors only)
29 Figure 4 – Suitable substrate for mechanical tests
30 6 Electrical tests and measurements
6.1 Insulation resistance
Figure 5 – Suitable substrate for electrical tests
Table 2 – Measuring voltage of insulation resistance
33 6.2 Voltage proof
Table 3 – Measuring points
34 Figure 6 – Voltage-proof test circuit
37 6.3 Capacitance
6.4 Tangent of loss angle and equivalent series resistance (ESR)
38 6.5 Leakage current
39 6.6 Impedance
Figure 7 – Schematic diagram of the impedance measuring circuit
40 6.7 Selfresonant frequency and inductance
Figure 8 – Capacitor mounting arrangement for general use
41 Figure 9 – Capacitor mounting arrangement for printed circuit use
42 Figure 10 – Typical diagram of an absorption oscillator-wavemeter
Figure 11 – Schematic diagram of the measuring circuit
43 6.8 Variation of capacitance with temperature
45 6.9 Surge
46 Figure 12 – Relay circuit
Figure 13 – Thyristor circuit
47 6.10 High surge current test
Figure 14 – Voltage waveform across capacitor
48 Figure 15 – High surge current test
49 6.11 Charge and discharge tests and inrush current test
Figure 16 – Voltage and current waveform
50 6.12 Dielectric absorption
51 Figure 17 – Dielectric absorption test circuit
52 6.13 Voltage transient overload (for aluminum electrolytic capacitors with non-solid electrolyte)
Figure 18 – Voltage transient overload test circuit
53 7 Mechanical tests and measurements
7.1 Visual examination and check of dimensions
Figure 19 – Voltage waveform
54 7.2 Outer foil termination
Figure 20 – Test circuit
55 7.3 Robustness of terminations
Table 4 – Tensile force
56 7.4 Vibration
Table 5 – Torque
57 7.5 Bump (repetitive shock)
7.6 Shock
7.7 Shear test
58 7.8 Substrate bending test
7.9 Container sealing
8 Environmental and climatic tests
8.1 Rapid change of temperature
8.2 Climatic sequence
60 8.3 Damp heat, steady state
8.4 Damp heat, steady state with voltage applied (for metallized film capacitors only)
Table 6 – Number of cycles
61 8.5 Endurance
62 Figure 21 – Test circuit for electrolytic capacitors
63 8.6 Thermal stability test
8.7 Characteristics at high and low temperatures
8.8 Accelerated damp heat, steady state
64 8.9 Accelerated damp heat, steady state (for multilayer ceramic capacitors only)
65 9 Tests related to component assembly
9.1 Resistance to soldering heat
9.2 Solderability
66 9.3 Whisker growth test
67 9.4 Component solvent resistance
9.5 Solvent resistance of marking
68 10 Tests related to safety
10.1 Passive flammability
10.2 Pressure relief (for aluminum electrolytic capacitors)
Table 7 – Severities and requirements
69 11 Quality assessment procedures
70 Annex A (informative) Guidance on pulse testing of capacitors
72 Annex Q (informative) Quality assessment procedures
83 Annex X (informative) Cross reference for references to the previous edition of this document
Table X.1 – Reference to IEC 60384-1 for clauses/subclauses or annexes
84 Table X.2 – Reference to IEC 60384-1 for figures and tables
85 Bibliography

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BS EN IEC 60384-1:2021
$215.11