MIL-PRF-19500/629C
* TABLE II. Group E inspection (all quality levels) for qualification and re-qualification.
Inspection
MIL-STD-750
Qualification
Method
Conditions
Inspection
Subgroup 1
22 devices, c = 0
500 cycles -55°C to 100°C
Temp cycling
1056
500 cycles -55°C to 100°C
Thermal shock
1051
Hermetic seal
1071
Test condition E
Subgroup 2
22 devices, c = 0
TA = 90°C; VRWM = 40 V(pk); IO = 0, half sine
Steady-state operating
1026
life
wave, f = 60 Hz. TA adjusted to achieve TJ =
+110°C minimum.
Subgroup 4
22 devices, c = 0
Thermal impedance,
Each supplier shall submit their (typical)
sample size N/A
thermal resistance
maximum design thermal impedance curves to
curves
the qualifying activity. In addition, the optimal
test conditions and ZθJX limit shall be provided
to the qualifying activity in the qualification
report.
Subgroup 5
Not applicable
Subgroup 6
3 devices, c = 0
ESD
1020
Subgroup 8
45 devices, c = 0
Resistance to glass
1057
Test to destruction, or 25 cycles max,
cracking
whichever comes first.
11
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