MIL-PRF-19500/528B
* 4.3 Screening (JANTX and JANTXV levels only). Screening shall be in accordance with MIL-PRF-19500 (table E-
IV), 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.
Screen (see table E-IV
Measurement
of MIL-PRF-19500)
JANTX and JANTXV levels
(1) 3c
Thermal impedance, see 4.3.2
9
Not applicable
10
24 hours minimum
ICEX1 , hFE1
11
12
See 4.3.1; 168 hours minimum
13
Subgroup 2 of table I herein;
ICEX1 = 100% of initial value or 20 A dc, whichever is greater;
hFE1 = +25%
(1)
Shall be performed anytime after temperature cycling, screen 3a; and does not need to be repeated in
screening requirements.
4.3.1 Power burn-in conditions. Power burn-in conditions are as follows: TJ = +187.5C 12.5C, TA +35C.
JANTX and JANTXV levels
2N6032 ------------------------------------VCB = 60 V dc.
2N6033 ------------------------------------VCB = 100 V dc.
* 4.3.2 Thermal impedance. The thermal impedance measurements shall be performed in accordance with method
3131 of MIL-STD-750 using the guidelines in that method for determining IM, IH, tH, tSW, (and VH where appropriate).
See table II, group E, subgroup 4 herein.
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 table E-VIB (JAN, JANTX, and JANTXV) of MIL-PRF-19500 and 4.4.2.1 herein. Electrical
measurements (end-points) shall be in accordance with table I, subgroup 2 herein.
* 4.4.2.1 Group B inspection, table E-VIB (JAN, JANTX, and JANTXV) of MIL-PRF-19500.
Subgroup Method
Condition
For solder die attach: VCB 10 V dc, 2,000 cycles, TA +35C.
B3
1037
For eutectic die attach: VCB 10 V dc, TA +35C, adjust PT to achieve TJ = +175C min.
5
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