MIL-PRF-19500/359K
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 E-Vib (JAN, JANTX, and JANTXV) of MIL-PRF-19500. Electrical
measurements (end-points) shall be in accordance with table I, group A, subgroup 2 herein. Delta requirement shall
be in accordance with table III herein.
4.4.2.1 Group B inspection, appendix E, table E-Vib (JAN, JANTX, and JANTXV of MIL-PRF-19500).
Subgroup
Method
Condition
B2
4066
IFSM = rated (see 1.3); ten surges of 8.3 ms each at 1 minute intervals;
superimposed on IO = .750 A dc, VRWM = rated (see 1.3 herein). TA =
55°C
IO = 1.0 A dc minimum; Adjust IO to achieve required TJ of 150ºC
B3
1027
minimum; f = 50 60 Hz; TA = +55°C max.; VR = rated VRWM (see 1.3,
4.5.3, and 4.5.3.1); t = 340 hours. For irradiated devices, include trr1 as
an end-point measurement.
* 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 E-VII of MIL-PRF-19500. Electrical measurements (end-points) shall be in
accordance with table I, group A, subgroup 2 herein. Delta requirements shall be in accordance with table III herein.
* 4.4.3.1 Group C inspection, appendix E, table E-VII of MIL-PRF-19500.
Subgroup
Method
Condition
C2
1056
Test condition A.
*
C2
2036
Tension: Test condition A, weight = 10 pounds; t = 15 seconds.
C2
1021
Omit initial conditioning.
RθJL = 38°C/W; L = .375 inch (9.52 millimeters); IM = 10 mA, see (4.5.6),
C5
4081
IH = 2 A, tH = thermal equilibrium.
TA = +55°C max. f = 50 60 Hz; IO = 1.0 A minimum; Adjust IO to
C6
1026
achieve required TJ of 150ºC minimum; VR = rated VRWM (see 1.3, 4.5.3,
and 4.5.3.1). For irradiated devices, include trr1 as an end-point
measurement.
4.4.4 Group E inspection. Group E inspection shall be conducted in accordance with the conditions specified for
subgroup testing in appendix E, table E-IX of MIL-PRF-19500 and as specified in table II herein. Electrical
measurements (end-points) shall be in accordance with table I, group A, subgroup 2 herein. Delta requirements shall
be in accordance with table III herein.
4.5 Methods of inspection. Methods of inspection shall be specified in the appropriate tables and as follows.
4.5.1 Pulse measurements. Conditions for pulse measurement shall be as specified in section 4 of MIL-STD-750.
4.5.2 Inspection conditions. Unless otherwise specified, all inspections shall be conducted at an ambient
temperature TA of +25°C ±3°C.
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