MIL-PRF-19500/436A
4. VERIFICATION
4.1 Classification of Inspections. The inspection requirements specified herein are classified as follows:
a. Qualification inspection (see 4.2).
b. Screening (see 4.3)
c. Conformance inspection (see 4.4).
4.2 Qualification inspection. Qualification inspection shall be in accordance with MIL-PRF-19500.
4.2.1 Inspection lot. Inspection lot shall be defined in MIL-PRF-19500, except that the lot accumulation period requirements shall be 6
months in lieu of 6 weeks.
4.3 Screening (JANTX and JANTXV levels only). Screening shall be in accordance with MIL-PRF-19500 (table IV), and as specified
herein. The following measurements shall be made in accordance with table I herein. Devices that exceed the limits of table I herein
shall not be acceptable.
Screen (see table IV
Measurement
of MIL-PRF-19500)
JANTX and JANTXV levels
48 hrs, TA = 200°C
2
3a
Temperature cycling
9
IR
10
See 4.3.1
11
IR
ĆIR
= 100% of initial value or 10 nA dc, whichever
is greater.
4.3.1 High temperature reverse bias (HTRB). HTRB conditions are as follows: TA = 150°C, VR = 25 V dc, t = 96 hours.
4.4 Conformance inspection. Conformance inspection shall be in accordance with MIL-PRF-19500, and as specified herein.
4.4.2 Group B inspection. Group B inspection shall be conducted in accordance with the conditions specified for subgroup testing in
table VIb (JAN, JANTX, and JANTXV) of MIL-PRF-19500, and as follows. Electrical measurements (endpoints) shall be in accordance
with the applicable footnotes and steps of table III herein.
Subgroup
Method
Condition
thigh = 175°C; 10 cycles
B2
1051
VR = 25 V dc, TA = 150°C, t = 500 hrs.
B3
1027
B6
1032
t = 1000 hrs.
TA = -65°C to +85°C, VR = 4 V dc, n = 22, c = 0; (see 4.4.4).
B7
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