MIL-PRF-19500/359K
TABLE II. Group E inspection (all quality levels) for qualification only.
Inspection
MIL-STD-750
Sampling plan
Method
Conditions
Subgroup 1A
45 devices
c=0
Temperature
1/ 1051
20 cycles, except high temperature shall be 150°C and low
cycling (air to air)
temperature shall be -195°C.
Hermetic seal 2/
1071
Electrical
See table I, group A, subgroup 2 and table III, steps 1 and
measurement
2. For irradiated devices, include trr1 as an end-point
measurement.
Subgroup 1B
45 devices
c=0
Temperature
1051
500 cycles, condition C. -65°C to +175°C
cycling (air to air)
Hermetic seal 2/
1071
Electrical
See table I, group A, subgroup 2 and table III, steps 1 and
measurement
2. For irradiated devices, include trr1 as an end-point
measurement.
22 devices
Subgroup 2
c=0
Steady-state
1048
Test condition A,
blocking life
t = 1,000 hours, TA = +150°C,
VR = 0.8 of rated VRWM (see 1.3).
Electrical
See table I, group A, subgroup 2 and table III, steps 1 and
measurement
2. For irradiated devices, include trr1 as an end-point
measurement.
Subgroup 3
Not applicable
Subgroup 4
Sample size
N/A
Thermal
See MIL-PRF-19500.
impedance
Subgroup 5
22 devices
c=0
Barometric
1001
1N4944, 1N4946 = 8 mm Hg (100,000 ft);
pressure
1N4947, 1N4948 = 33 mm Hg (70,000 ft);
(reduced)
voltage during test = VRWM; maximum;
leakage (IR) during test shall be 5 µA.
See footnotes at end of table
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