MIL-PRF-19500/544H
TABLE II. Group D inspection - Continued.
Inspection 1/ 2/ 3/
Limit
Unit
Method
Conditions
Symbol
Min
Max
Subgroup 2 - Continued.
Base-emitter voltage
3066
1.45
V dc
Test condition B, VCE = 5 V dc,
VBE
(nonsaturated)
IC = 2.5 A dc, pulsed (see 4.5.1)
Base-emitter saturation voltage
3066
Test condition A, IC = 2.5 A dc,
1.67
V dc
VBE(sat)1
IB = 250 mA dc, pulsed (see 4.5.1)
Base-emitter saturation voltage
3066
Test condition A, IC = 5 A dc,
2.53
V dc
VBE(sat)2
IB = 500 mA dc, pulsed (see 4.5.1)
Collector-emitter saturation
3071
0.86
V dc
IC = 2.5 A dc, IB = 250 mA dc,
VCE(sat)1
voltage
pulsed (see 4.5.1)
Collector-emitter saturation
3071
1.73
V dc
IC = 5 A dc, IB = 500 mA dc,
VCE(sat)2
voltage
pulsed (see 4.5.1)
1/
Tests to be performed on all devices receiving radiation exposure.
2/
For sampling plan, see MIL-PRF-19500.
3/
Electrical characteristics apply to all device types unless otherwise noted.
4/
Subgroup 1 is an optional test and must be specified on the contract when required.
5/
See method 1019 of MIL-STD-750 for how to determine [hFE] by first calculating the delta (1/hFE) from the pre- and
post-radiation hFE. Notice that [hFE] is not the same as hFE and cannot be measured directly. The [hFE] value
can never exceed the pre-radiation minimum hFE that it is based upon.
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