BS EN 138100:1997

FOREWORD
CONTENTS
1 GENERAL
1.1 Scope
1.2 Related Documents
1.3 Information to be given in a detail specification
1.4 Terminology
1.5 Marking
2 PREFERRED RATINGS AND CHARACTERISTICS
2.1 Preferred characteristics
2.2 Preferred values of ratings
3 QUALITY ASSESSMENT PROCEDURES
3.1 Primary stage of manufacture
3.2 Structurally similar inductors
3.3 Certified records of released lots
3.4 Approval testing
3.5 Quality conformance inspection
4 TESTS AND MEASUREMENT PROCEDURES
4.1 Visual examination and check of dimensions
4.2 Voltage proof
4.3 Insulation resistance
4.4 Inductance
4.5 D.C. line resistance
4.6 Robustness of terminations
4.7 Resistance to soldering heat
4.8 Solderability
4.9 Rapid change of temperature
4.10 Vibration
4.11 Bump
4.12 Shock
4.13 Container sealing
4.14 Climatic sequence
4.15 Damp heat, steady state
4.16 Temperature rise
4.17 Impulse voltage
4.18 Endurance
4.19 Passive flammability
4.20 Component solvent resistance
4.21 Solvent resistance of marking
ANNEX A - TEST SCHEDULE FOR QUALIFICATION APPROVAL;
ASSESSMENT LEVEL D
ANNEX B - TEST SCHEDULE FOR SAFETY TESTS ONLY
ANNEX C - EXAMPLE OF A SUITABLE CIRCUIT FOR THE ENDURANCE
TEST-VOLTAGE

Applicable to fixed inductors for electromagnetic interference suppression falling within the scope of Generic specification EN 138000. It covers fixed inductors for which safety tests are appropriate, implying that inductors in this specification will be either connected to mains supply, or used in other circuit positions as appropriate.