2N3906 데이터 시트보기 (PDF) - NTE Electronics
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2N3906 Datasheet PDF : 3 Pages
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Electrical Characteristics (Cont’d): (TA = +255C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
ON Characteristics (Cont’d) (Note 1)
Collector−Emitter Saturation Voltage
Base−Emitter Saturation Voltage
Small−Signal Characteristics
VCE(sat)
VBE(sat)
IC = 10mA, IB = 1mA
IC = 50mA, IB = 5mA
IC = 10mA, IB = 1mA
IC = 50mA, IB = 5mA
− − 0.25 V
− − 0.4 V
0.65 − 0.85 V
− − 0.95 V
Current Gain−Bandwidth Product
2N3905
2N3906
fT
IC = 10mA, VCE = 20V, f = 100MHz 200 − − MHz
250 − − MHz
Output Capacitance
Input Capacitance
Input Impedance
2N3905
2N3906
Cobo
Cibo
hie
VCB = 5V, IE = 0, f = 1MHz
VCB = 0.5V, IC = 0, f = 100kHz
IC = 1mA, VCE = 10V, f = 1kHz
− − 4.5 pF
− − 10.0 pF
0.5 − 8.0 k3
2.0 − 12 k3
Voltage Feedback Ratio
2N3905
2N3906
hre
IC = 1mA, VCE = 10V, f = 1kHz
0.1 − 5.0 x 10−4
0.1 − 10 x 10−4
Small−Signal Current Gain
2N3905
2N3906
hfe
IC = 1mA, VCE = 10V, f = 1kHz
−
50
200
100 − 400
Output Admittance
2N3905
2N3906
hoe
IC = 1mA, VCE = 10V, f = 1kHz
1.0 − 40 5 mhos
3.0 − 60 5 mhos
Noise Figure
2N3905
NF IC = 1005 A, VCE = 5V, RS = 1k3 ,
f = 10Hz to 15.7kHz
− − 5.0 db
2N3906
− − 4.0 db
Switching Characteristics
Delay Time
Rise Time
Storage Time
2N3905
2N3906
td
VCC = 3V, VEB = 0.5V, IC = 10mA,
tr
IB1 = 1mA
ts
VCC = 3V, IC = 10mA,
IB1 = IB2 = 1mA
− − 35 ns
− − 35 ns
− − 200 ns
− − 225 ns
Fall Time
tf
2N3905
− − 60 ns
2N3906
− − 75 ns
Note 1. Pulse Test: Pulse Width 3 3005 s, Duty Cycle 3 2%.
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