MIL-PRF-19500/412F
TABLE I. Group A inspection - Continued.
MIL-STD-750
Limits
Symbol
Unit
Inspection 1/
Method
Conditions
Min
Max
Subgroup 3
High temperature operation:
TA = +150°C
Collector to emitter cutoff
3041
Bias condition C; VBE = 0
ICES
current
2N3846, 2N3846T1, 2N3846T3
10
mA dc
VCE = 300 V dc;
2N3847, 2N3847T1, 2N3847T3
10
mA dc
VCE = 400 V dc
Low temperature operation:
TA = -55°C
Forward-current transfer ratio
3076
10
Pulsed (see 4.5.1), VCE = 3 V dc;
hFE4
IC = 10 A dc
Subgroup 4
Magnitude of common-emitter
3306
10
35
VCE = 10 V dc, f = 1 MHz, IC = 1.0 A dc
|hfe|
small-signal short circuit
forward-current transfer ratio
Small-signal short circuit
3206
50
250
VCE = 10 V dc, f = 1 kHz, IC = 5.0 A dc
hfe
forward-current transfer ratio
Open circuit output
3236
750
pF
VCB = 10 V dc, IE = 0,
Cobo
capacitance
100 kHz ≤ f ≤ 1 MHz
Turn-on time
4
µs
IC = 10 A dc, IB(1) = 2 A dc, IB(2) = -2 A
ton
dc
VBE(off) ≈ -7.5 V dc, RL = 15 ohms,
see figure 8
Turn-off time
7
µs
IC = 10 A dc, IB(1) = 2 A dc, IB(2) = 2 A dc
toff
VBE(off) ≈ -7.5 V dc, RL = 15 ohms
see figure 8
Subgroup 5
Burnout by pulsing (safe
3005
TC = +100°C; pre-pulse condition:
operating area - dc)
(3051)
figure 9, VCE = 0; IC = 0
pulse condition: (see 4.5.2)
Test 1
VCE = 7.5 V dc, IC = 20 A dc, tp = 1.0 s,
1 cycle
Test 2
VCE = 200 V dc, IC = 100 mA dc,
tp = 1.0 s, 1 cycle
Test 3
VCE = 58 V dc, IC = 1.0 A dc
tp = 1.0 s, 1 cycle
See footnote at end of table.
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