MIL-PRF-19500/193F
* TABLE II. Group E inspection (all quality levels) - for qualification or re-qualification only.
Inspection
MIL-STD-750
Qualification
inspection
Method
Conditions
Subgroup 1
n = 45, c = 0
100 cycles, 0°C to 100°C.
Thermal shock (glass
1056
strain)
500 cycles, -65°C to +175°C.
1051
Temperature cycling
Hermetic seal
1071
Gross leak only. Fine and gross leak required for UB.
Electrical measurement
See table I, subgroup 2.
Subgroup 2
Intermittent operating life
1037
10,000 cycles.
Electrical measurements
See table I, subgroup 2.
Subgroup 4
Thermal impedance
curves
Subgroup 5
Not applicable
n = 3, c = 0
Subgroup 6
1020
ESD
n = 45
Subgroup 9
1057
Test condition B. Test until failure occurs or to a maximum of 25
Resistance to glass
cycles, whichever comes first.
cracking
n = 22, c = 0
Subgroup 10
1055
Monitored mission
temperature cycling
See table I, subgroup 2.
Electrical measurements
8
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