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BS EN IEC 60384-24:2021

BS EN IEC 60384-24:2021

$167.15

Fixed capacitors for use in electronic equipment – Sectional specification. Fixed tantalum 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 tantalum electrolytic surface mount capacitors with conductive polymer solid electrolyte primarily intended for DC applications for use in electronic equipment. Fixed tantalum electrolytic surface mount capacitors with solid (MnO2) electrolyte are not included but are covered by IEC 60384-3. 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)
14 4.2.4 Category voltage (UC)
4.2.5 Surge voltage (URS or UCS)
4.2.6 Rated temperature
5 Test and measurement procedures
5.1 General
5.2 Preliminary drying
5.3 Measuring conditions
Table 1 – Category and surge voltages
Table 2 – Category and surge voltages
15 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
5.5.2 Visual examination and check of dimensions
5.5.3 Requirements
5.6 Electrical tests
5.6.1 Leakage current
16 5.6.2 Capacitance
5.6.3 Tangent of loss angle (tan δ)
5.6.4 Equivalent series resistance (ESR) (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
5.10 Substrate bending test (if required)
5.10.1 General
5.10.2 Initial inspections
5.10.3 Test conditions
5.10.4 Final inspections and requirements
18 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
5.12.4 Damp heat, cyclic, test Db, first cycle
5.12.5 Cold
19 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
5.14.2 Initial inspections and requirements
5.15 Surge voltage
5.15.1 General
20 5.15.2 Initial inspections
5.15.3 Test conditions
5.15.4 Recovery
5.15.5 Final inspections and requirements
5.16 Endurance
5.16.1 General
5.16.2 Initial inspections
21 5.16.3 Test conditions
5.16.4 Recovery
5.16.5 Final inspections and requirements
5.17 Component solvent resistance (if required)
5.18 Solvent resistance of marking (if required)
5.19 High surge current (if required)
5.20 Storage at high temperature
5.20.1 General
5.20.2 Initial inspections
5.20.3 Test conditions
5.20.4 Recovery
5.20.5 Final inspections and requirements
22 6 Marking
6.1 General
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
23 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
24 8 Quality assessment procedures
8.1 Primary stage of manufacture
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
25 8.4.3 Tests
26 Table 3 – Sampling plan for qualification approval, assessment level EZ
27 Table 4 – Test schedule for qualification approval (1 of 6)
32 8.5 Quality conformance inspections
8.5.1 Formation of inspection lots
33 8.5.2 Test schedule
8.5.3 Delayed delivery
8.5.4 Assessment levels
Table 5 – Lot-by-lot inspection
34 Table 6 – Periodic inspection
35 Annex X (informative) Cross-references to the prior edition of this document
Table X.1 – Reference to IEC 60384-24 for clauses/subclauses and tables
36 Bibliography

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BS EN IEC 60384-24:2021
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