FIXED RESISTORS FOR USE IN ELECTRONIC EQUIPMENT - PART 8: SECTIONAL SPECIFICATION - FIXED SURFACE MOUNT RESISTORS
International Electrotechnical Committee
FOREWORD
1 General
1.1 Scope
1.2 Object
1.3 Normative references
1.4 Information to be specified in a detail specification
1.4.1 Outline drawing
1.4.2 Style and dimensions
1.4.3 Climatic category
1.4.4 Limits of resistance change after testing
1.4.5 Resistance range
1.4.6 Tolerances on nominal resistance
1.4.7 Temperature coefficient of resistance
1.4.8 Rated dissipation
1.4.9 Limiting element voltage
1.4.10 Insulation voltage
1.4.11 Insulation resistance
1.4.12 Marking
1.4.13 Ordering information
1.4.14 Mounting
1.5 Product classification
2 Preferred characteristics, ratings and test severities
2.1 Preferred characteristics
2.1.1 Style and dimensions
2.1.2 Preferred climatic categories
2.1.3 Variation of resistance with temperature
2.1.4 Limits for change in resistance
2.2 Preferred values of ratings
2.2.1 Resistance
2.2.2 Tolerances on resistance
2.2.3 Rated dissipation P[70]
2.2.4 Limiting element voltage U[max]
2.2.5 Insulation resistance
2.2.6 Insulation voltage
2.3 Preferred test severities
2.3.1 Short time overload
2.3.2 Solderability
2.3.3 Resistance to soldering heat
2.3.4 Shear (adhesion) test
2.3.5 Periodic pulse overload test
2.3.6 Resistance to electrostatic discharge (ESD)
2.3.7 Component solvent resistance
2.3.8 Solvent resistance of marking
2.4 Preparation of specimen
2.4.1 Drying
2.4.2 Mounting of components
3 Quality assessment procedures
3.1 General
3.2 Definitions
3.2.1 Primary stage of manufacture
3.2.2 Structurally similar components
3.2.3 Assessment level EZ
3.3 Formation of inspection lots
3.4 Qualification approval
3.4.1 Qualification approval on the basis of the fixed
sample size procedure
3.4.2 Qualification approval on the basis of lot-by-lot and
periodic testing
3.5 Quality conformance inspection
3.6 Technology approval procedures
3.7 Delayed delivery
Annex A (normative) 0 ohm resistors (Jumper)
A.1 Information to be specified in a detail specification
A.2 Preferred characteristics
A.3 Preferred ratings
A.4 Preferred severities
A.5 Test schedule for qualification approval
A.6 Test schedule for quality conformance inspection
Annex B (informative) Letter symbols and abbreviations
B.1 Letter symbols
B.2 Abbreviations
Bibliography
Applies to fixed surface mount resistors for use in electronic equipment.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 40 |
