MIL-PRF-19500/144R
* TABLE II. Group E inspection (all quality levels) for qualification and requalification only.
Qualification
Inspection
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.
Temperature cycling
1051
Hermetic seal
1071
Gross leak only. Fine and gross leak required for UB.
Electrical measurement
See table I, subgroup 2.
Subgroup 2
n = 45, c = 0
Intermittent operating life
1037
10,000 cycles; If = 300 mA dc, ton = toff = 1 minute.
*
See table I, subgroup 2.
Electrical measurements
Subgroup 4
Thermal resistance
3131
n = 15, c = 0
RθJSP can be calculated but shall be measured once in
the same package with a similar die size to confirm
calculations (may apply to multiple specification sheets).
Thermal impedance
See MIL-PRF-19500.
Sample size
curves
N/A
Subgroup 5
Not applicable
Subgroup 6
ESD
1020
Subgroup 8
Resistance to glass
1057
Test condition B. Test until failure occurs or to a
n = 45
cracking
maximum of 25 cycles, whichever comes first.
n = 22, c = 0
Subgroup 9
Monitored mission
1055
Not required for UB suffix devices.
temperature cycling
Electrical measurements
See table I, subgroup 2.
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