MIL-PRF-83530C
TABLE II. Qualification inspection.
Allowable failures
Requirement
Test method
Number of
Inspection
paragraph
paragraph
sample units
group
cumulative
Group I
Visual and mechanical
Inspection 1/
and 3.29, 3.30
All
High temperature
0
Units
Thermal shock
Power burn-in
Clamping voltage 1/
Nominal voltage 1/
Group II
Solderability
12
0
Resistance to soldering heat
Resistance to solvents
Flammability
Group III
Low temperature storage
10
1
1
High temperature storage
Capacitance 1/
Dielectric withstanding voltage 1/
Group IV
Terminal strength
10
1
1
Moisture resistance
Pulse life
Group V
Vibration
10
1
2
Shock
Constant acceleration
Energy
Group VI
Peak current
10
1
2
Operating life
1/
Nondestructive
4.5 Retention of qualification. Every 12 months, the manufacturer shall verify the retention of qualification to the
qualifying activity. In addition, the manufacturer shall immediately notify the qualifying activity whenever the group B
results indicate failure of the qualified product to meet the requirements of the specification. Verification shall be
based on meeting the following requirements:
a.
The manufacturer has not modified the design of the item.
b.
The specification requirements for the item have not been amended so far as to affect the character of the
item.
c.
Lot rejection for group A inspection does not exceed the group A sampling plan.
d.
The requirements for group B inspection are met.
When group B requirements were not met and the manufacturer has taken corrective action satisfactory to the
government, group B inspection retesting shall be instituted.
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