MIL-PRF-19500/290P
1.4 Primary electrical characteristics at TA = +25°C.
hFE at VCE = 10 V dc
hFE1
hFE2
hFE3
hFE4 (1)
hFE5 (1)
IC = 0.1 mA dc
IC = 1 mA dc
IC = 10 mA dc
IC = 150 mA dc
IC = 500 mA dc
2N2904
2N2904
2N2904
2N2904
2N2904
Min
20
25
35
40
20
Max
175
120
2N2905
2N2905
2N2905
2N2905
2N2905
Min
35
50
75
100
30
Max
450
300
2N2904A
2N2904A
2N2904A
2N2904A
2N2904A
2N2904AL
2N2904AL
2N2904AL
2N2904AL
2N2904AL
40
40
40
40
40
Min
Max
175
120
2N2905A
2N2905A
2N2905A
2N2905A
2N2905A
2N2905AL
2N2905AL
2N2905AL
2N2905AL
2N2905AL
Min
75
100
100
100
50
Max
450
300
(1) Pulsed (see 4.5.1).
Types
|hfe|
Cobo
Switching
100 kHz ≤ f ≤ 1 MHz
2N2904
f = 100 MHz
2N2904A
VCE = 20 V dc
ton
toff
VCB = 10 V dc
2N2904AL
(see figure 6)
(see figure 7)
IC = 50 mA dc
IE = 0
2N2905
2N2905A
2N2905AL
pF
ns
ns
Min
2.0
Max
8
45
300
2
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