MIL-PRF-19500/589A
4.4 Conformance inspection. Conformance inspection shall be in accordance with MIL-PRF-19500.
4.4.1 Group A inspection. Group A inspection shall be conducted in accordance with appendix E, table V of MIL-PRF-19500 and
table I herein. (Endpoint electrical measurements shall be in accordance with the applicable steps of table III herein.) Electrical and
thermal conditions and limits are identical for both 2N7367 and 2N7368.
4.4.2 Group B inspection. Group B inspection shall be conducted in accordance with the conditions specified for subgroup testing in
appendix E, table IVa (JANS) and table IVb (JANTX and JANTXV) of MIL-PRF-19500. Electrical measurements (end points) and delta
requirements shall be in accordance with the applicable steps of table III herein.
4.4.2.1 Group B inspection, appendix E, table VIa (JANS) of MIL-PRF-19500.
a.
Subgroup 3
Condition for bond strength is condition A.
b.
Subgroup 4
Condition for intermittent operation life is as follows:
Condition D, 2,000 cycles. The heating cycle shall be one minute minimum.
c.
Subgroup 5:
Condition for accelerated steady-state reverse bias is as follows:
Condition A, VCE = 80 percent of rated, TC = +150 C +0 C, -15 C, t = 120 hours. Read and record VBR(CES) (pre
and post) at IC = 1 mA. Read and record ICES (pre and post), in accordance with table III.
d.
Subgroup 5:
Condition for accelerated steady-state gate stress is as follows:
Condition B, VGE = 80 percent of rated, TA = +175 C, t = 24 hours.
e.
Subgroup 6:
Condition for thermal resistance, see 4.5.2.
4.4.2.2 Group B inspection, appendix E, table VIb (JANTX and JANTXV) of MIL-PRF-19500.
a.
Subgroup 3:
Condition for intermittent operation life is as follows:
Condition D, 2,000 cycles. The heating cycle shall be one minute minimum.
b.
Subgroup 4:
Condition for bond strength is condition A.
c.
Subgroup 6:
Not applicable.
4.4.3 Group C inspection. Group C inspection shall be conducted in accordance with the conditions specified for subgroup testing in
appendix E, table VII of MIL-PRF-19500. Electrical measurements (end points) and delta requirements shall be in accordance with the
applicable steps of table III herein.
4.4.3.1 Group C inspection, appendix E, table VII of MIL-PRF-19500.
a.
Subgroup 2: Condition for terminal strength (tension) is test condition A, weight 10 pounds, time = 15 seconds.
b.
Subgroup 6: Condition for intermittent operation life is as follows:
Condition D, 6,000 cycles. The heating cycle shall be one minute minimum.
4.4.4 Group E inspection. Group E inspection shall be conducted in accordance with appendix E, table IX of MIL-PRF-19500 and
table II herein.
4.5 Methods of inspection. Methods of inspection shall be as specified in the appropriate tables and as follows.
4.5.1 Pulse measurements. Conditions of pulse measurements shall be as specified in section 4 of MIL-STD-750.
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