2N2905A
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic
OFF CHARACTERISTICS
Collector −Emitter Breakdown Voltage (Note 1) (IC = −10 mAdc, IB = 0)
Collector−Base Cutoff Current (VCE = −60 Vdc)
Collector to Base Cutoff Current
(VCB = −50 Vdc)
(VCB = −50 Vdc, TA = 150°C)
(VCB = −60 Vdc)
Emitter to Base Cutoff Current
(VEB = 5.0 Vdc)
(VEB = 3.5 Vdc)
ON CHARACTERISTICS
DC Current Gain
(IC = −0.1 mAdc, VCE = −10 Vdc)
(IC = −1.0 mAdc, VCE = −10 Vdc)
(IC = −10 mAdc, VCE = −10 Vdc)
(IC = −150 mAdc, VCE = −10 Vdc) (Note 1)
(IC = −500 mAdc, VCE = −10 Vdc) (Note 1)
(IC = −1.0 mAdc, VCE = −10 Vdc, TA = −55°C)
Collector −Emitter Saturation Voltage (Note 1)
(IC = −150 mAdc, IB = −15 mAdc)
(IC = −500 mAdc, IB = −50 mAdc)
Base −Emitter Saturation Voltage (Note 1)
(IC = −150 mAdc, IB = −15 mAdc)
(IC = −500 mAdc, IB = −50 mAdc)
SMALL−SIGNAL CHARACTERISTICS
Small Signal Short−Circuit Forward Current Transfer Ratio
(IC = −50 mAdc, VCE = −20 Vdc, f = 100 MHz)
Small Signal Short−Circuit Forward Current Transfer Ratio
(IC = −1.0 mAdc, VCE = −10 Vdc, f = 1 kHz)
Output Capacitance (VCB = −10 Vdc, IE = 0, 100 kHz ≤ f ≤ 1.0 MHz)
Input Capacitance (VEB = −2.0 Vdc, IC = 0, 100 kHz ≤ f ≤ 1.0 MHz)
SWITCHING CHARACTERISTICS
Turn−On Time
See MIL−PRF−19500/290
Turn−Off Time
1. Pulse Test: See section 4 of MIL−STD−750.
See MIL−PRF−19500/290
Symbol
Min
Max
Unit
V(BR)CEO
ICES
ICBO
IEBO
−60
−
Vdc
−
−1.0
mAdc
mAdc
−
−0.01
−
−10
−
−10
mAdc
−
−10
−
−0.050
hFE
−
75
−
100
450
100
−
100
300
50
−
50
−
VCE(sat)
Vdc
−
−0.4
−
−1.6
VBE(sat)
Vdc
−
−1.3
−
−2.6
|hfe|
hfe
Cobo
Cibo
ton
toff
−
2.0
−
−
100
−
−
8.0
pF
−
30
pF
−
45
ns
−
300
ns
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