MIL-PRF-19500/315G
* 4.4.2 Group B inspection. Group B inspection shall be conducted in accordance with the conditions specified for
subgroup testing in table E-VIa (JANS) and E-VIb (JAN, JANTX, and JANTXV) of MIL-PRF-19500 and 4.4.2.1 and
4.4.2.2 herein. Electrical measurements (end-points) shall be in accordance with table I, subgroup 2 herein. Delta
measurements shall be in accordance with table III herein.
* 4.4.2.1 Group B inspection, table E-VIa (JANS) of MIL-PRF-19500.
Subgroup
Method
Condition
VCE 5 V dc; TA = 25 ±3C, 2,000 cycles.
B4
1037
VCE 5 V dc; 96 hours. PT = 2 W at TA = 100C or adjusted as required by the
B5
1027
chosen TA to give an average lot TJ = 275C. Marking legibility requirements shall
not apply.
B6
3131
See 4.5.2.
*
B7
3053
Load condition C; 22 devices; c = 0 (unclamped inductive load) (see figure 4).
TA = 25C; duty cycle 10 percent; RS = 0.1 ; Tp = 640 s.
Test 1, RBB1 = 39 ; VBB1 = 20 V dc; RBB2 = ; VBB2 = 0; VCC = 15 V dc;
IC = 5 A dc; L = 1 mH; (0.5 , 5 A dc) (Tower #7870 or equivalent).
Test 2, TP = 2.88 ms; RBB1 = 120 ; VBB1 = 20 V dc; RBB2 = ; VBB = 0;
VCC = 15 V dc; IC = 1.6 A dc; L = 10 mH; (0.11 , 12.5 A dc) (Stancor C-2688 or
equivalent).
See figures 5 and 6 (clamped inductive load). TA = 25C; IB = 0.5 A dc;
*
B7
3053
IC = 5 A dc; VCC = 55 V dc.
* 4.4.2.2 Group B inspection, table E-VIb (JAN, JANTX and JANTXV) of MIL-PRF-19500.
Subgroup
Method
Condition
TJ = 187.5 ±12.5C; TA 35C; VCE = 25 ±5 V dc.
B3
1027
B5
3131
See 4.5.2.
*
B7
3053
Load condition C; 22 devices; c = 0 (unclamped inductive load) (see figure 3).
TA = 25C; duty cycle 10 percent; RS = 0.1 .
Test 1, Tp = 640 s, RBB1 = 39 ; VBB1 = 20 V dc; RBB2 = ; VBB2 = 0;
VCC = 15 V dc; IC = 5 A dc; L = 1 mH; (0.5 0, 5 A dc) (Tower #7870 or equivalent).
Test 2, TP = 2.88 ms; RBB1 = 120 ; VBB1 = 20 V dc;RBB2 = ; VBB = 0;
VCC = 15 V dc; IC = 1.6 A dc; L = 10 mH; (0.11 , 12.5 A dc) (Stancor C-2688 or
equivalent).
See 4 and 5, (clamped inductive load). TA = 25C; IB = 0.5 A dc; IC = 5 A dc;
*
B7
3053
VCC = 55 V dc.
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