MIL-PRF-19500/375J
4.4.2.2 Group B inspection, table E-VIB (JAN, JANTX, and JANTXV) of MIL-PRF-19500.
Subgroup
Method
Condition
B3
1027
2N3821, 2N3821UB, 2N3822, 2N3822UB, and 2N3822: VGS = 40 V dc,
VDS = 0; 2N3823, 2N3823UB: VDS = 0, VGS = 24; at TA = +150°C ±5°C.
4.4.3 Group C inspection. Group C inspection shall be conducted in accordance with the conditions specified for
subgroup testing in table E-VII of MIL-PRF-19500, and as follows. Electrical measurements (end-points) shall be in
accordance with table I, subgroup 2 herein. Delta measurements shall be in accordance with table II herein.
Subgroup
Method
Condition
C2
2036
Test condition E (not applicable to "UB" suffix version).
2N3821, 2N3821UB, 2N3822, 2N3822UB, and 2N3822: VGS = 40 V dc,
C6
1026
VDS = 0; 2N3823, 2N3823UB: VDS = 0, VGS = 24; at TA = +150°C ±5°C.
4.4.4 Group E inspection. Group E inspection shall be conducted in accordance with the conditions specified for
subgroup testing in table E-IX of MIL-PRF-19500 and as specified in table III herein. Electrical measurements (end-
points) shall be in accordance with table I, subgroup 2 herein. Delta measurements shall be in accordance with table
II herein.
4.5 Method of inspection. Methods of inspection shall be as 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 Disposition of case lead during electrical measurements. All electrical measurements (except for case
insulation test) operating life test shall be performed with the case lead connected to the source.
4.5.2.1 Case insulation resistance test. Case insulation resistance test shall be measured between the case and
gate lead.
4.5.3 Small-signal common-source short-circuit input (or output) conductance. These tests shall be conducted
with a General Radio transfer function and admittance bridge model 1607A (or suitable equivalent) in accordance
with the portion of its accompanying handbook which is applicable to this measurement. A Hewlett-Packard
generator model 608D and a Nems-Clarke receiver model 1502A (or suitable equivalents) shall be used with the
transfer function and admittance bridge.
4.5.4 10 Hz and 1 kHz spot noise figure tests. These tests shall be conducted with a model 2173C Quan Tech
Laboratories test set, or equivalent. Conditions shall be as specified in table I.
4.5.5 105 MHz spot noise figure test. This test shall be conducted with the equipment and circuit shown on figures
3 and 4, or suitable equivalent.
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