MIL-PRF-19500/354L
4.4.3.2 Group C inspection (JAN, JANTX, and JANTXV), table E-VII of MIL-PRF-19500.
Method
Condition
Subgroup
C2
2036
Test condition E; not applicable for UB devices.
RθJA and RθJC only, as applicable (see 1.3).
C5
3131
C6
Not applicable.
4.4.3.3 Group C sample selection. Samples for subgroups in group C shall be chosen at random from any
inspection lot containing the intended package type and lead finish procured to the same specification which is
submitted to and passes table I tests herein for conformance inspection. When the final lead finish is solder or any
plating prone to oxidation at high temperature, the samples for C6 life test may be pulled prior to the application of
final lead finish. Testing of a subgroup using a single device type enclosed in the intended package type shall be
considered as complying with the requirements for that subgroup.
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 II herein. Electrical measurements (end-
points) shall be in accordance with table I, subgroup 2 herein; delta measurements shall be in accordance with the
applicable steps of 4.5.3.
4.5 Methods 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 Noise figure. The noise figure shall be measured using commercially available test equipment and its
associated standard test procedures.
*
4.5.3 Delta requirements. Delta requirements shall be as specified below:
MIL-STD-750
Symbol
Limit
Unit
Step
Inspection
Method
Conditions
ĆICB02 (1)
1
Collector-base cutoff
3036
Bias condition D,
100 percent of initial
current
value or 5 nA dc,
VCB = 50 V dc
whichever is greater.
±25 percent change
ĆhFE2 (1)
2
Forward current
3076
VCE = 5 V dc;
transfer ratio
from initial reading.
IC = 500 uA dc;
pulsed see 4.5.1
(1) Devices which exceed the table I limits for this test shall not be accepted.
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