MILPRF19500/597G
4.4.2.2 Quality levels JAN, JANTX, and JANTXV (table EVIB of MILPRF19500).
Subgroup
Method
Conditions
B2
1051
Condition G.
B3
1042
Condition D, the heating cycle shall be 1 minute minimum.
B5 and B6
Not applicable.
4.4.3 Group C inspection. Group C inspection shall be conducted in accordance with the conditions specified for
subgroup testing in table EVII of MILPRF19500 and as follows herein. Electrical measurements (end-points) shall
be in accordance with table I, subgroup 2 herein.
Subgroup
Method
Conditions
C2
2036
Condition E: The sampling plan applies to the number of leads tested. A minimum
of three devices shall be tested.
C5
3161
See 4.3.1.3.
C6
1042
Condition D, the heating cycle shall be 1 minute minimum.
4.4.4 Group E inspection. Group E inspection shall be conducted in accordance with the conditions specified for
subgroup testing in table EIX of MILPRF19500 and as specified in table II herein. Electrical measurements (end-
points) shall be in accordance with table I, subgroup 2 herein.
4.5 Method of inspection. Methods of inspection shall be as specified in the appropriate tables and as follows.
4.5.1 Pulse response measurements. Conditions for pulse response measurement shall be as specified in section
4 of MILSTD750.
4.5.2 Thermal resistance. Thermal resistance measurements shall be performed in accordance with method 3161
a.
IM measuring current
10 mA.
b.
IH drain heating current
0.15 A minimum.
c.
tH heating time
Steady-state (see method 3161 of MILSTD750 for definition).
d.
VH drain-source heating voltage
15 V minimum.
30 to 60 µs.
e.
tMD measurement time delay
10 µs maximum.
f.
tSW sample window time
10
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