Foreword
Section 1 - General
1.1 Scope
1.2 Related documents
1.3 Information to be prescribed in detailed
specifications
1.3.1 Outline drawings and dimensions
1.3.2 Mounting
1.3.3 Marking
1.3.4 Ordering information
1.3.5 Additional information (not for inspection
purposes)
1.4 Units, symbols and terminology
1.5 Marking of component and package
Section 2 - Preferred ratings and characteristics
2.1 Preferred climatic categories
2.2 Preferred values of ratings
2.2.1 Rated resistance
2.2.2 Tolerance on rated resistance
2.2.3 Rated dissipation
2.2.4 Limiting element voltage
2.3 Preferred values of characteristics
2.3.1 Temperature coefficient of resistance
2.3.2 Limits for change in resistance
Section 3 - Quality assessment procedures
3.1 Eligibility for capability approval
3.2 Primary stage of manufacture
3.3 Structural similar components
3.4 Procedures for capability approval
3.4.1 General
3.4.2 Application of capability of approval
3.4.3 Granting of capability approval
3.5 Capability manual
3.6 Capability qualifying components (CQCs)
3.6.1 CQCs for process quality control
3.6.2 CQCs for demonstrating limits of capability
3.7 Inspection requirements of CQCs
3.8 Programme for capability approval
3.9 Capability approval test report
3.10 Abstract of description of capability
3.11 Modification likely to affect the capability
approval
3.12 Initial capability approval
3.12.1 Procedure in the event of failure
3.12.2 General plan for the selection of CQCs
3.12.3 Process control test plans
3.12.3.1 Winding element - visual and dimensional
3.12.3.2 Element/termination connections - visual
examination
3.12.3.3 Coating application - visual examination
3.12.3.4 Temperature profile of oven or kiln
3.12.3.5 Lead preparation and soldering - visual
examination
3.12.3.6 Termination completion - visual examination
3.12.3.7 Bulk metal element fabrication - visual
examination
3.12.3.8 Moisture content of ceramic powders
3.12.3.9 Visual examination after pressing
3.12.3.10 Visual examination after metallizing
3.12.3.11 Batch release for finding after 100% resistance
measurement
3.12.3.12 Marking
3.12.3.13 100% resistance test
3.12.3.14 Visual examination after packaging
3.12.4 Test plans for CQCs demonstrating limits of
capability
3.12.4.1 Range of case sizes
3.12.4.2 Range of terminations
3.12.4.3 Minimum, maximum and critical resistance in
smallest and largest case size
3.12.4.4 Numbers of resistor sections per case size (ns)
3.12.4.5 Rated dissipation and case size
3.12.4.6 Dissipation at upper category temperature
3.12.4.7 Limiting element voltage for smallest and
largest case size
3.12.4.8 Overload
3.12.4.9 Isolation voltage
3.12.4.10 Temperature characteristic of resistance
3.12.4.11 Climatic category
3.12.4.12 Rated temperature
3.12.4.13 Vibration severity
3.12.4.14 Bump or shock severity
3.12.4.15 Low air pressure severity
3.12.4.16 Reactance
3.12.4.17 Robustness of the resistor body
3.13 Maintenance of capability approval
3.14 Extension of capability approval
3.15 Quality conformance inspection
3.16 Screening procedures
3.17 Delayed delivery
Section 4 - Test and measurement procedures
Annexes
A. Example of an abstract description of capability
for inclusion in CECC 00 200
B. Layout of the front page of a CQC specification
C. Requirements for capability approval test report
D. Requirements for the form and content of a
capability manual
Figures
1a. Conformal-coated wire/tape-wound power resistor
manufacture. Mandatory process controls and process-
control CQCs are denoted by double borders
1b. Mental-case or insulated-case wire/tape-wound power
resistor manufacture. Mandatory process controls
and process-control CQCs are denoted by double
borders
1c. Metal bulk element power resistor manufacture.
Mandatory process controls and process-control
CQCs are denoted by double borders
1d. Ceramic/carbon power resistor. Mandatory process
controls and process-control CQCs are denoted by
double borders
1e. Manufacture of power resistor. Mandatory process
controls and process-control CQCs are denoted by
double borders
1f. Maintenance of capability approval for power
resistors. Mandatory capability-limit CQCs
Tables
0.1
1. Test schedule for initial capability approval limits
of capability
2. Test schedule maintenance of capability approval,
process control