MIL-PRF-19500/228R
* TABLE II. Group E inspection (all quality levels) for qualification and requalification only - Continued.
Inspection
Sampling
plan
Method
Conditions
Subgroup 8
Peak reverse power
4065
45 devices
Peak reverse power (PRM) = shall be characterized by the supplier
c=0
and this data shall be available to the Government. Test shall be
performed on each sublot.
Electrical
During the PRM test, the voltage (VBR) shall be monitored to verify
measurement
it has not collapsed. Any collapse in VBR during or after the PRM
test, or rise in leakage current (IR) after the test, that exceeds IR1
in table I herein shall be considered a failure to that level of
applied PRM. Progressively higher levels of PRM shall be applied
until failure occurs on all devices within the chosen sample size.
45 devices
Subgroup 9
c=0
Resistance to glass
1057
Test condition B. Step stress to destruction by increasing cycles
cracking
or up to a maximum of 25 cycles.
Subgroup 10
22 devices
c=0
Forward surge
4066
Electrical
See table I, subgroup 2.
measurement
1/ Test method 1056 of MIL-STD-750, condition D, using liquid nitrogen may be used in lieu of test method 1051.
2/ For opaque glass diodes use test method 2068 of MIL-STD-750.
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