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MIL-PRF-19500-439 Semiconductor Device, Transistor, Npn, Silicon, High-Power, Types 2N5038 And 2N5039, Jan, Jantx, Jantxv, Jans, Janhc, And JankcThis specification covers the performance requirements for NPN silicon, high-power transistors for use in high-speed power-switching applications. Four levels of product assurance are provided for each encapsulated device type as specified in MIL-PRF-19500, and two levels of product assurance are provided for each unencapsulated device type.

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MIL-PRF-19500/439H
4.5.2 Thermal resistance. The thermal resistance 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).
Measurement delay time (tMD) = 70 µs max. See figure 4 and table II, group E, subgroup 4 herein.
4.5.3 Delta requirements. Delta requirements shall be as specified below:
Step
Inspection
MIL-STD-750
Symbol
Limit
Unit
(1) (2) (3) (4)
Method
Conditions
Min
Max
ĆVCE(sat)1
1
Collector to emitter
3071
50 mV dc change from initial
voltage (saturated)
value.
2N5038
IC = 12 A dc,
IB = 1.2 A dc
IC = 10 A dc,
2N5039
IB = 1.0 A dc
ĆICEX1
100 percent of initial value or 1µA
2
Collector to emitter
3041
Bias condition A;
cutoff current
VBE = -1.5 V dc
dc, whichever is greater.
VCE = 100 V dc
2N5038
2N5039
VCE = 85 V dc
ĆhFE3
3
Forward-current
3076
VCE = 5.0 V dc;
±25 percent change from initial
transfer ratio
value.
2N5038
IC = 12 A dc
2N5039
IC = 10 A dc
(1) Devices which exceed the table I limits, herein, for this test shall not be acceptable.
(2) The electrical measurements for table E-VIA (JANS) of MIL-PRF-19500 are as follows:
a. Subgroup 4, see step 1 above.
b. Subgroup 5, see steps 1, 2, and 3 above.
(3) The electrical measurements for table E-VIB, (JAN, JANTX and JANTXV) of MIL-PRF-19500 are as follows:
Subgroups 3 and 6, see steps 1, 2 and 3 above.
(4) The electrical measurements for table E-VII of MIL-PRF-19500 are as follows:
Subgroup 6, see steps 1, 2, and 3 (JANS) above and step 3 (JAN, JANTX, and JANTXV) above.
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