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BS EN IEC 60384-25:2021

BS EN IEC 60384-25:2021

$167.15

Fixed capacitors for use in electronic equipment – Sectional specification. Fixed aluminium electrolytic surface mount capacitors with conductive polymer solid electrolyte

Published By Publication Date Number of Pages
BSI 2021 38
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This part of IEC 60384 applies to fixed aluminium electrolytic surface mount capacitors with conductive polymer solid electrolyte, primarily intended for DC applications for use in electronic equipment. Fixed aluminium electrolytic surface mount capacitors with solid (MnO2) are not included but are covered by IEC 60384-18. These capacitors are primarily intended for use in electronic equipment to be mounted directly on substrates for hybrid circuits or to printed boards. Capacitors for special-purpose applications may need additional requirements. The object of this document is to prescribe preferred ratings and characteristics and to select from IEC 60384-1:2016, the appropriate quality assessment procedures, tests and measuring methods and to give general performance requirements for this type of capacitor. Test severities and requirements prescribed in detail specifications referring to this sectional specification shall be of equal or higher performance level, because lower performance levels are not permitted.

PDF Catalog

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 1 Scope
2 Normative references
3 Terms and definitions
13 4 Preferred ratings and characteristics
4.1 Preferred characteristics
4.2 Preferred values of ratings
4.2.1 Nominal capacitance (CN)
4.2.2 Tolerance on nominal capacitance
4.2.3 Rated voltage (UR)
4.2.4 Category voltage (UC)
14 4.2.5 Surge voltage (URS)
4.2.6 Rated temperature
5 Test and measurement procedures
5.1 General
5.2 Preliminary drying
5.3 Measuring conditions
5.4 Mounting
5.4.1 General
5.4.2 Initial inspections
5.4.3 Test conditions
5.4.4 Final inspections and requirements
5.5 Visual examination and check of dimensions
5.5.1 General
Table 1 – Surge voltages
15 5.5.2 Visual examination and check of dimensions
5.5.3 Requirements
5.6 Electrical tests
5.6.1 Leakage current
5.6.2 Capacitance
16 5.6.3 Tangent of loss angle (tan δ)
5.6.4 Equivalent series resistance (ESR) (if required)
5.6.5 Impedance (if required)
17 5.7 Resistance to soldering heat
5.7.1 General
5.7.2 Initial inspections
5.7.3 Test conditions
5.7.4 Recovery
5.7.5 Final inspections and requirements
5.8 Solderability
5.8.1 General
5.8.2 Final inspections and requirements
5.9 Shear test (if required)
5.10 Substrate bending test (if required)
5.10.1 General
18 5.10.2 Initial inspections
5.10.3 Test conditions
5.10.4 Final inspections and requirements
5.11 Rapid change of temperature
5.11.1 General
5.11.2 Initial inspections
5.11.3 Test conditions
5.11.4 Recovery
5.11.5 Final inspections and requirements
5.12 Climatic sequence
5.12.1 General
5.12.2 Initial inspections
5.12.3 Dry heat
19 5.12.4 Damp heat, cyclic, Test Db, first cycle
5.12.5 Cold
5.12.6 Damp heat, cyclic, Test Db, remaining cycles
5.12.7 Recovery
5.12.8 Final inspections and requirements
5.13 Damp heat, steady state
5.13.1 General
5.13.2 Initial inspections
5.13.3 Test conditions
5.13.4 Recovery
5.13.5 Final inspections and requirements
5.14 Characteristics at high and low temperature
5.14.1 General
20 5.14.2 Inspections and requirements
5.15 Surge voltage
5.15.1 General
5.15.2 Initial inspections
5.15.3 Test conditions
5.15.4 Recovery
5.15.5 Final inspections and requirements
21 5.16 Endurance
5.16.1 General
5.16.2 Initial inspections
5.16.3 Test conditions
5.16.4 Recovery
5.16.5 Final inspections and requirements
5.17 Storage at high temperature
5.17.1 General
5.17.2 Initial inspections
5.17.3 Test conditions
5.17.4 Recovery
5.17.5 Final inspections and requirements
5.18 Charge and discharge (if required)
5.18.1 General
22 5.18.2 Initial inspections
5.18.3 Test conditions
5.18.4 Final inspections and requirements
5.19 Component solvent resistance (if required)
5.20 Solvent resistance of marking (if required)
5.21 High surge current (if required)
5.21.1 General
5.21.2 Final inspections and requirements
6 Marking
6.1 General
23 6.2 Information for marking
6.3 Marking on capacitors
6.4 Marking on packaging
7 Information to be given in a detail specification
7.1 General
7.2 Outline drawing and dimensions
24 7.3 Mounting
7.4 Ratings and characteristics
7.4.1 General
7.4.2 Nominal capacitance range
7.4.3 Particular characteristics
7.4.4 Soldering
7.5 Marking
8 Quality assessment procedures
8.1 Primary stage of manufacture
25 8.2 Structurally similar components
8.3 Certified test records of released lots
8.4 Qualification approval (QA) procedures
8.4.1 General
8.4.2 Qualification approval on the basis of the fixed sample size procedure
8.4.3 Tests
27 Table 2 – Sampling plan for qualification approval, assessment level EZ
28 Table 3 – Test schedule for qualification approval (1 of 6)
33 8.5 Quality conformance inspections
8.5.1 Formation of inspection lots
34 8.5.2 Test schedule
8.5.3 Delayed delivery
8.5.4 Assessment levels
Table 4 – Lot-by-lot inspection
35 Table 5 – Periodic inspection
36 Annex X (informative) Cross-references to the prior edition of this document
Table X.1 – Reference to IEC 60384-25 for clauses/subclauses and tables
37 Bibliography

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BS EN IEC 60384-25:2021
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