IEC 60938-2 : 2.1

FIXED INDUCTORS FOR ELECTROMAGNETIC INTERFERENCE SUPPRESSION - PART 2: SECTIONAL SPECIFICATION

International Electrotechnical Committee

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FOREWORD
1 General
  1.1 Scope
  1.2 Object
  1.3 Normative references
  1.4 Information to be given in a detail specification
  1.5 Definitions
  1.6 Marking
2 Preferred ratings and characteristics
  2.1 Climatic categories
  2.2 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 Qualification approval
  3.5 Quality conformance inspection
4 Test and measurement procedures
  4.1 Visual examination and check of dimensions
  4.2 Voltage proof
  4.3 Insulation resistance
  4.4 Inductance
  4.5 DC 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 (applies only to inductors with a
       mass > 5 g)
  4.17 Impulse voltage (applies to inductors with more
       than one winding)
  4.18 Endurance
  4.19 Passive flammability (if applicable)
  4.20 Component solvent resistance (if applicable)
  4.21 Solvent resistance of marking (if applicable)
Annex A (normative) Test schedule for safety tests only
        approval
Annex B (normative) Test schedule for safety tests and
        performance tests for qualification approval,
        assessment level D
Annex C (normative) Example of a suitable circuit for
        the endurance test voltage
Annex D (normative) Declaration of design (confidential
        to the manufacturer and the certification body)
Annex E (normative) Test methods for thyristor
        electromagnetic interference suppression inductors

Abstract

Deals with fixed inductors designed for electromagnetic interference suppression and which fall within the scope of the generic specification, IEC 60938-1.