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BS 9070-4:1971

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Specification for fixed capacitors of assessed quality: generic data and methods of test Polystyrene dielectric capacitors

Available format(s)

Hardcopy , PDF

Withdrawn date

27-09-2012

Language(s)

English

Published date

18-02-1971

$268.61
Including GST where applicable

Cooperating organizations
Foreword
Specification
Section 4. Polystyrene dielectric capacitors
4.1 General matters
4.1.1 Scope
4.1.2 Related documents
4.1.3 Terminology
4.1.4 Letter symbols, signs and abbreviations
4.1.5 Graphical symbols
4.1.7 Eligibility for qualification approval
4.1.8 Structurally similar parts
4.1.9 Delayed delivery
4.1.10 Supplementary procedure for qualification approval
4.1.11 Certified test records
4.1.12 Standard ratings and characteristics
4.1.13 Unchecked parameters
4.1.14 Procedure to be followed in the event of failures
       at Group C inspection
4.1.15 Ordering information
4.1.16 Release before completion of Group B inspection
4.2 Test procedures
4.2.1 Measurement conditions
4.2.2 Visual examination
4.2.3 Dimensioning and gauging procedure
4.2.4 Electrical test procedures
4.2.4.1 Preliminary drying
4.2.4.2 Voltage proof
4.2.4.3 Capacitance
4.2.4.4 Tangent of the loss angle
4.2.4.5 Leakage current
4.2.4.6 Impedance
4.2.4.7 Insulation resistance
4.2.4.8 Inductance
4.2.4.9 Outer foil termination
4.2.4.10 Temperature coefficient and cyclic drift
4.2.4.11 Temperature characteristic of capacitance
4.2.4.12 Short term stability
4.2.4.13 Charge/discharge test
4.2.4.14 D.C. surge voltage test
4.2.4.15 Pressure relief test
4.2.5 Mechanical tests
4.2.6 Environmental test procedures
4.2.6.1 Robustness of terminations
4.2.6.2 Soldering
4.2.6.3 Rapid change of temperature
4.2.6.4 Bumping
4.2.6.5 Shock
4.2.6.6 Acceleration
4.2.6.7 Vibration
4.2.6.8 Climatic sequence
4.2.6.9 Damp heat, steady state
4.2.6.10 Container sealing
4.2.6.11 Storage
4.2.6.12 Mould growth
4.2.6.13 Salt mist
4.2.7 Endurance test procedures
4.3 Inspection schedule
Table
1. Initial and final measurements

Prescribes the specific tests and requirements of Sections 1 and 2 which are applicable to polystyrene dielectric capacitors. Prescribes the test schedule, giving the specific conditions of test and the initial and final measurements as required by Sections 1 and 2.

Committee
W/-
DevelopmentNote
Supersedes 69/5569 DC (10/2005) Inactive for the new design. (09/2007)
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Withdrawn

DEFSTAN 59-44(PT4)SEC1/1(1971) : 1971 CAPACITORS, FIXED, OF ASSESSED QUALITY - PART 4: CAPACITORS, FIXED, POLYSTYRENE DIELECTRIC - SECTION 1: SECTIONAL REQUIREMENTS AND INDEX TO SECTIONS

BS 9000(1967) : LATEST
BS 2488:1966 Schedule of preferred numbers for the resistance of resistors and the capacitance of capacitors for telecommunication equipment
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BS 9070-1&2(1969) : 1969 AMD 7393 SPECIFICATION FOR FIXED CAPACITORS OF ASSESSED QUALITY: GENERIC DATA AND METHODS OF TEST - PRINCIPLES AND MANDATORY PROCEDURES - GENERAL RULES FOR DRAFTING DETAIL SPECIFICATIONS

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