2N4401
General Purpose
Transistors
NPN Silicon
2N4401
ELECTRICAL CHARACTERISTICS (T = 25C unless otherwise noted)
A
Characteristic Symbol Min Max Unit
OFF CHARACTERISTICS
Collector Emitter Breakdown Voltage (Note 1) (I = 1.0 mAdc, I = 0) V 40 Vdc
C B (BR)CEO
Collector Base Breakdown Voltage (I = 0.1 mAdc, I = 0) V 60 Vdc
C E (BR)CBO
Emitter Base Breakdown Voltage (I = 0.1 mAdc, I = 0) V 6.0 Vdc
E C (BR)EBO
Base Cutoff Current (V = 35 Vdc, V = 0.4 Vdc) I 0.1 Adc
CE EB BEV
Collector Cutoff Current (V = 35 Vdc, V = 0.4 Vdc) I 0.1 Adc
CE EB CEX
ON CHARACTERISTICS (Note 1)
DC Current Gain h
FE
(I = 0.1 mAdc, V = 1.0 Vdc) 20
C CE
(I = 1.0 mAdc, V = 1.0 Vdc) 40
C CE
(I = 10 mAdc, V = 1.0 Vdc) 80
C CE
(I = 150 mAdc, V = 1.0 Vdc) 100 300
C CE
(I = 500 mAdc, V = 2.0 Vdc) 40
C CE
Collector Emitter Saturation Voltage (I = 150 mAdc, I = 15 mAdc) V 0.4 Vdc
C B CE(sat)
(I = 500 mAdc, I = 50 mAdc) 0.75
C B
Base Emitter Saturation Voltage (I = 150 mAdc, I = 15 mAdc) V 0.75 0.95 Vdc
C B BE(sat)
1.2
(I = 500 mAdc, I = 50 mAdc)
C B
SMALLSIGNAL CHARACTERISTICS
Current Gain Bandwidth Product (I = 20 mAdc, V = 10 Vdc, f = 100 MHz) f 250 MHz
C CE T
CollectorBase Capacitance (V = 5.0 Vdc, I = 0, f = 1.0 MHz) C 6.5 pF
CB E cb
EmitterBase Capacitance (V = 0.5 Vdc, I = 0, f = 1.0 MHz) C 30 pF
EB C eb
Input Impedance (I = 1.0 mAdc, V = 10 Vdc, f = 1.0 kHz) h 1.0 15 k
C CE ie
4
Voltage Feedback Ratio (I = 1.0 mAdc, V = 10 Vdc, f = 1.0 kHz) h 0.1 8.0 X 10
C CE re
SmallSignal Current Gain (I = 1.0 mAdc, V = 10 Vdc, f = 1.0 kHz) h 40 500
C CE fe
Output Admittance (I = 1.0 mAdc, V = 10 Vdc, f = 1.0 kHz) h 1.0 30 mhos
C CE oe
SWITCHING CHARACTERISTICS
Delay Time t 15 ns
d
(V = 30 Vdc, V = 2.0 Vdc,
CC BE
I = 150 mAdc, I = 15 mAdc)
Rise Time C B1 t 20 ns
r
Storage Time t 225 ns
(V = 30 Vdc, I = 150 mAdc, s
CC C
I = I = 15 mAdc)
B1 B2
Fall Time t 30 ns
f
1. Pulse Test: Pulse Width 300 s, Duty Cycle 2.0%.
ORDERING INFORMATION
Device Package Shipping
2N4401 TO92 5000 Units / Bulk
2N4401G TO92 5000 Units / Bulk
(Pb Free)
2N4401RLRA TO92 2000 / Tape & Reel
2N4401RLRAG TO92 2000 / Tape & Reel
(Pb Free)
2N4401RLRMG TO92 2000 / Tape & Ammo Box
(Pb Free)
2N4401RLRP TO92 2000 / Tape & Ammo Box
2N4401RLRPG TO92 2000 / Tape & Ammo Box
(Pb Free)
For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.