IEC 60738-1 : 3.1

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Units and symbols
5 Preferred values
  5.1 Climatic categories
  5.2 Marking
  5.3 Spacings
6 Quality assessment procedures
  6.1 General
  6.2 Primary stage of manufacture
  6.3 Subcontracting
  6.4 Structurally similar components
  6.5 Qualification approval procedures
  6.6 Rework and repair
  6.7 Release for delivery
  6.8 Certified test records of released lots
  6.9 Delayed delivery
  6.10 Alternative test methods
  6.11 Manufacture outside the geographical limits
       of IECQ NSIs
  6.12 Unchecked parameters
7 Test and measurement procedures
  7.1 General
  7.2 Standard conditions for testing
  7.3 Drying and recovery
  7.4 Visual examination and check of dimensions
  7.5 Zero-power resistance
  7.6 Temperature coefficient of resistance
  7.7 Insulation resistance (for insulated types only)
  7.8 Voltage proof (for insulated types only)
  7.9 Resistance/temperature characteristic
  7.10 Dissipation factor at U[max] (delta)
  7.11 Response time by ambient temperature change
       (t[a])
  7.12 Response time by power change (t[p])
  7.13 Thermal time constant by ambient temperature
       change (tau[a])
  7.14 Thermal time constant by cooling (tau[c])
  7.15 Robustness of terminations
  7.16 Solderability
  7.17 Resistance to soldering heat
  7.18 Rapid change of temperature
  7.19 Vibration
  7.20 Bump
  7.21 Shock
  7.22 Climatic sequence
  7.23 Damp heat, steady state
  7.24 Endurance
  7.25 Tripping current and tripping time
  7.26 Non-tripping current
  7.27 Residual current
  7.28 Surface temperature
  7.29 Inrush current
  7.30 Mounting (for surface mount thermistors only)
  7.31 Shear (adhesion) test
  7.32 Substrate bending test
Annex A (normative) Interpretation of sampling plans
        and procedures as described in IEC 60410 for
        use within the IEC quality assessment system
        for electronic components (IECQ)
Annex B (informative) Mounting for electrical measurements
        (except surface mount types)
Annex C (informative) Mounting for temperature measurements

Specifies terms and methods of test for positive step-function temperature coefficient thermistors, insulated and non-insulated types typically made from ferro-electric semi-conductor materials.