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MIL-PRF-19500-317 Semiconductor Device, Transistor, Npn, Silicon, Switching, Types 2N2369A, 2N3227, 2N4449, 2N2369Au, 2N3227U, 2N2369Aua, 2N3227Ua, 2N2369Aub, 2N2369Aubc, 2N2369Aubcn 2N3227Ub, 2N3227Ubc, 2N3227Ubcn, 2N4449U, 2N4449Ua, 2N4449Ub, 2N4449Ubc, And 2N4449Ubcn, Jan, Jantx, Jantxv, Jans, Jansm, Jansd, Jansp, Jansl, Jansr, Jansf, Jansg, Jansh, Janhca, Janhcb, Jankca, Jankcb, Jank...This specification covers the performance requirements for NPN, silicon, high speed switching transistors \(including dual devices\). Four levels of product assurance are provided for each device type as specified in MIL-PRF-19500, and two levels of product assurance are provided for each unencapsulated device type. Provisions for radiation hardness assurance \(RHA\) to four radiation levels is provided for JANTXV, JANS, JANHC, and JANKC product assurance levels. RHA level designators “M”, “D”, “P“, “L”, “R”, “F’, “G”, and “H” are appended to the device prefix to identify devices, which have passed RHA requirements.

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MIL-PRF-19500/317R
TABLE III. Groups B, C, and E delta measurements.
Step
Inspection 1/ 2/ 3/ 4/
MIL-STD-750
Symbol
Limit
Method
Conditions
ĆhFE3
±25 percent change from
1.
Forward-current
3076
VCE = 1.0 V dc; IC = 10 mA
transfer ratio
dc; pulsed (see 4.5.1)
initial value.
ĆVCE(sat)1
±50 mV change from
2.
Collector - emitter
3071
IC = 10 mA dc
and resistance
IB = 1.0 mA dc
previous measured value.
ĆICES
3.
Collector - emitter
3041
Bias condition C;
100 percent of initial value or
cutoff current
VCE = 20 V dc
25 nA dc, whichever is greater.
1/
The delta measurements for table E-VIa (JANS) of MIL-PRF-19500 are as follows: Subgroups B4 and B5, see
table III herein, steps 1, 2, and 3.
The delta measurements (JAN, JANTX, and JANTXV) of 4.4.2.2 herein are as follows: Steps 1, 2, and 3, see
2/
table III herein, steps 1 and 3.
The delta measurements for table E-VII of MIL-PRF-19500 and 4.4.3.1 are as follows: Subgroup 6, see table III
3/
herein, steps 2 and 3 (for JANS).
4/
The delta measurements for table E-IX of MIL-PRF-19500 and table III herein are as follows: Subgroups 1 and
2, see table III herein, all steps.
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