| Visual inspection:
Random
Sample
Failure Criteria: |
| Marking |
- Non-legible marking
- Missing or double marking
|
| Package |
- Dimensions out of tolerance
- Broken or damaged plastic
- Contamination by oil, flux, etc
- Voids, holes or cracks
|
| Leads |
- Broken, twisted, cracked or loose leads
- More than 10% non-plated surface in the soldering
area
- Blistering, peeling or other surface defects
exposing base material
- Contamination by oil, flux, etc
|
| Packing |
- Inconsistent mechanical strength
- Incorrect labeling and sealing
- Incorrect quantity and type
|
| Inductance:
100% |
Limits: |
+50%, -25% |
| DC
resistance: 100% |
Limits: |
+5% -10% |