MILPRF19500/427P
TABLE II. Group E inspection (all quality levels) for qualification and requalification only.
Inspection
Sampling
plan
Method
Conditions
Subgroup 1A
45 devices
c=0
20 cycles, except high temperature shall be 150°C and low
Temperature cycling
1051
temperature shall be -195°C.
(air to air) 1/
Hermetic seal
1071
Electrical
measurement
Subgroup 1B
45 devices
c=0
500 cycles, condition C, -65°C to +175°C.
Temperature cycling
1051
(air to air)
Hermetic seal 2/
1071
Electrical
measurement
Subgroup 2
22 devices
c=0
TA = +150°C; t = 1,000 hours +65, -0 hours; dc = 80 - 85 percent
Steady state dc
1048
blocking life
Electrical
measurement
Subgroup 4
Thermal impedance
See MIL-PRF-19500.
curves
Subgroup 5
22 devices
c=0
Barometric pressure
1001
1N5616 and 1N5618 at 8 mm Hg.
(reduced)
1N5620 and 1N5622 at 33 mm Hg.
See footnotes at end of table.
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