2N3440
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic
ON CHARACTERISTICS
Emitter−Base Cutoff Current
(VEB = 7.0 Vdc)
Collector−Emitter Cutoff Current
(VCE = 200 Vdc)
Collector−Emitter Cutoff Current
(VCE = 300 Vdc, VBE = −1.5 Vdc)
Collector−Base Cutoff Current
(VCE = 250 Vdc)
(VCE = 300 Vdc)
(VCE = 250 Vdc, TA = 150°C)
DC Current Gain (Note 1)
(IC = 0.2 mAdc, VCE = 10 Vdc)
(IC = 2.0 mAdc, VCE = 10 Vdc)
(IC = 20 mAdc, VCE = 10 Vdc)
(IC = 20 mAdc, VCE = 10 Vdc, TA = −55°C)
Collector −Emitter Saturation Voltage (Note 1)
(IC = 50 mAdc, IB = 4.0 mAdc)
Base −Emitter Saturation Voltage (Note 1)
(IC = 50 mAdc, IB = 4.0 mAdc)
SMALL−SIGNAL CHARACTERISTICS
Output Capacitance
(VCB = 10 Vdc, IE = 0, 100 kHz ≤ f ≤ 1.0 MHz)
Input Capacitance
(VCB = 5.0 Vdc, IE = 0, 100 kHz ≤ f ≤ 1.0 MHz)
Small−Signal Short−Circuit Forward Current Transfer Ratio
(IC = 5.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz)
Small−Signal Current Gain
(IC = 10 mAdc, VCE = 10 Vdc, f = 5.0 MHz)
SWITCHING CHARACTERISTICS
Turn−on Time (Note 2)
(VCC = 200 Vdc, IC = 20 mAdc, IB1 = 2.0 mAdc)
Turn−off Time (Note 2)
(VCC = 200 Vdc, IC = 20 mAdc, IB1 = −IB2 = 2.0 mAdc)
1. Pulse Test: See section 4 of MIL−STD−750.
2. See Figure 14 in MIL−PRF−19500/368.
Symbol
IEBO
ICEO
ICEX
ICBO
hFE
VCE(sat)
VBE(sat)
Cobo
Cibo
hfe
|hfe|
ton
toff
Min Max
− 10
− 2.0
− 5.0
− 2.0
− 5.0
− 6.0
10 −
30 −
40 160
15 −
− 0.5
− 1.3
− 10
− 75
25 −
3.0 15
− 1.0
− 10
Unit
mAdc
mAdc
mAdc
mAdc
−
Vdc
Vdc
pF
pF
−
−
ms
ms
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