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MIL-PRF-19500-441 Semiconductor Device, Transistor, Pnp, Silicon, Power Types 2N3740, 2N3740U4, 2N3741, And 2N3741U4, Jan, Jantx, Jantxv, Jans, Jansm, Jansd, Jansp, Jansl, Jansr, Jansf, Jansg, Jansh, Janhcc, Jankcc, Jankccm, Jankccd, Jankccp, Jankccl, Jankccr, Jankccf, Jankccg, And JankcchThis specification covers the performance requirements for PNP, silicon, power transistors. Four levels of product assurance are provided for each encapsulated device type as specified in MIL-PRF-19500. Two levels of product assurance are provided for each unencapsulated device type. Provisions for radiation hardness assurance \(RHA\) to eight 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-19500/441K
TABLE I. Group A inspection - Continued.
Inspection 1/
MIL-STD-750
Symbol
Limits
Unit
Method
Conditions
Min
Max
Subgroup 5 - Continued.
Test 2
tp = 1.5 ms (vary to obtain IC);
IC = .25 A dc; L = 80 mH
(min) at .25 A with a maximum dc
resistance of 1 Ω. For reference only.
ESSEX Stancor C-2691 or Triad C = 48
TA = +25°C; VCC = 55 V dc
SOA (clamped switching)
(destructive)
(see figures 10 and 11); duty cycle
≤ 5 percent, tp = 1.5 ms (vary to
obtain IC); IC = 4 A dc
2N3740, 2N3740U4
Clamp voltage = 60 V dc
2N3741, 2N3741U4
Clamp voltage = 80 V dc
End-point electrical
See table I, subgroup 2 herein
measurements
Subgroups 6 and 7
Not applicable
1/
For sampling plan, see MIL-PRF-19500.
2/
For resubmission of failed subgroup 1, double the sample size of the failed test or sequence of tests.
3/
Separate samples may be used.
4/
Not required for JANS.
5/
Not required for laser marked devices.
6/
This test required for the following end-point measurements only:
Group B, subgroups 3, 4, and 5 (JANS).
Group B, see 4.4.2.2 herein, after each step (JAN, JANTX, and JANTXV).
Group C, subgroup 2 and 6 for JANS and subgroup 2 only for JAN, JANTX, and JANTXV.
Group E, subgroup 1.
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