MIL-PRF-19500/404C
TABLE IV. Group E inspection for (all quality levels) for qualification only.
Inspection
MIL-STD-750
Qualification
conformance
inspection
Method
Conditions
11 devices, c = 1
Subgroup 1
Thermal shock
1051
500 cycles, condition F
Electrical measurements
See table V herein, steps 1 and 2
Subgroup 2
11 devices, c = 1
Steady-State dc blocking life
1038
1,000 hours, condition A, except
TA = 100°C
Electrical measurements
See table V herein, steps 1 and 2
Subgroup 3
Not applicable
11 devices, c = 1
Subgroup 4
See 4.5.5
External corona 1/
Flammability
MIL-STD-202, method 111, allowable
burning time = 5 s. Point of
impingement shall be midpoint of one
side
Subgroup 5
Not applicable
1/ Subgroup 1 samples may be used for this test.
11
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