MIL-PRF-19500/375J
4.3 Screening (JANS, JANTX, and JANTXV levels only). Screening shall be in accordance with table E-IV of
MIL-PRF-19500, 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.
Measurement
Screen (see table E-IV of
JANS level
JANTX and JANTXV levels
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IGSSR1, IDSS, and |yfs|1
IGSSR1, IDSS, and |yfs|1
12
See 4.3.1
See 4.3.1
13
Subgroups 2 and 3 of table I herein;
Subgroup 2 of table I herein;
ĆIDSS = ±10 percent of initial value;
ĆIDSS = ±10 percent of initial value;
Ć|yfs|1 = ±20 percent initial value.
Ć|yfs|1 = ±20 percent of initial value.
4.3.1 Power burn-in conditions. Power burn-in conditions are as follows: 2N3821, 2N3821UB, 2N3822, and
2N3822UB: VGS = 40 V dc; VDS = 0; TA = +150°C. 2N3823, 2N3823UB: VGS = 24 V dc; VDS = 0; TA = +150°C.
NOTE: No heat sink or forced air cooling on the devices shall be permitted.
4.4 Conformance inspection. Conformance inspection shall be in accordance with MIL-PRF-19500 and as
specified herein.
4.4.1 Group A inspection. Group A inspection shall be conducted in accordance with MIL-PRF-19500, and table I
herein.
4.4.2 Group B inspection. Group B inspection shall be conducted in accordance with the conditions specified for
subgroup testing in tables 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 II herein.
4.4.2.1 Group B inspection, table E-VIA (JANS) of MIL-PRF-19500.
Subgroup
Method
Condition
B4
1037
2N3821, 2N3821UB, 2N3822, and 2N3822UB: VDS = 30 V dc, VGS = 0; 2N3823,
2N3823UB: VDS = 15 V dc, VGS = 0; at TA = +30°C ±5°C. ton = toff = 3 minutes
minimum for 2,000 cycles. No heat sink or forced-air cooling on the devices shall
be permitted.
VDS = 0; 2N3821, 2N3821UB, 2N3822, and 2N3822UB: VGS = 40 V dc; 2N3823,
B5
1027
2N3823UB: VGS = 24 V dc; at TA = +225°C for 168 hours or TA = +200°C for 260
hours.
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