2N4401
http://onsemi.com
2
ELECTRICAL CHARACTERISTICS (T
A
= 25°C unless otherwise noted)
Characteristic Symbol Min Max Unit
OFF CHARACTERISTICS
Collector−Emitter Breakdown Voltage (Note 1) (I
C
= 1.0 mAdc, I
B
= 0) V
(BR)CEO
40 − Vdc
Collector−Base Breakdown Voltage (I
C
= 0.1 mAdc, I
E
= 0) V
(BR)CBO
60 − Vdc
Emitter−Base Breakdown Voltage (I
E
= 0.1 mAdc, I
C
= 0) V
(BR)EBO
6.0 − Vdc
Base Cutoff Current (V
CE
= 35 Vdc, V
EB
= 0.4 Vdc) I
BEV
− 0.1 mAdc
Collector Cutoff Current (V
CE
= 35 Vdc, V
EB
= 0.4 Vdc) I
CEX
− 0.1 mAdc
ON CHARACTERISTICS (Note 1)
DC Current Gain
(I
C
= 0.1 mAdc, V
CE
= 1.0 Vdc)
(I
C
= 1.0 mAdc, V
CE
= 1.0 Vdc)
(I
C
= 10 mAdc, V
CE
= 1.0 Vdc)
(I
C
= 150 mAdc, V
CE
= 1.0 Vdc)
(I
C
= 500 mAdc, V
CE
= 2.0 Vdc)
h
FE
20
40
80
100
40
−
−
−
300
−
−
Collector−Emitter Saturation Voltage (I
C
= 150 mAdc, I
B
= 15 mAdc)
(I
C
= 500 mAdc, I
B
= 50 mAdc)
V
CE(sat)
−
−
0.4
0.75
Vdc
Base−Emitter Saturation Voltage (I
C
= 150 mAdc, I
B
= 15 mAdc)
(I
C
= 500 mAdc, I
B
= 50 mAdc)
V
BE(sat)
0.75
−
0.95
1.2
Vdc
SMALL−SIGNAL CHARACTERISTICS
Current−Gain − Bandwidth Product (I
C
= 20 mAdc, V
CE
= 10 Vdc, f = 100 MHz) f
T
250 − MHz
Collector−Base Capacitance (V
CB
= 5.0 Vdc, I
E
= 0, f = 1.0 MHz) C
cb
− 6.5 pF
Emitter−Base Capacitance (V
EB
= 0.5 Vdc, I
C
= 0, f = 1.0 MHz) C
eb
− 30 pF
Input Impedance (I
C
= 1.0 mAdc, V
CE
= 10 Vdc, f = 1.0 kHz) h
ie
1.0 15 k W
Voltage Feedback Ratio (I
C
= 1.0 mAdc, V
CE
= 10 Vdc, f = 1.0 kHz) h
re
0.1 8.0 X 10
−4
Small−Signal Current Gain (I
C
= 1.0 mAdc, V
CE
= 10 Vdc, f = 1.0 kHz) h
fe
40 500 −
Output Admittance (I
C
= 1.0 mAdc, V
CE
= 10 Vdc, f = 1.0 kHz) h
oe
1.0 30 mmhos
SWITCHING CHARACTERISTICS
Delay Time
(V
CC
= 30 Vdc, V
BE
= 2.0 Vdc,
I
C
= 150 mAdc, I
B1
= 15 mAdc)
t
d
− 15 ns
Rise Time t
r
− 20 ns
Storage Time
(V
CC
= 30 Vdc, I
C
= 150 mAdc,
I
B1
= I
B2
= 15 mAdc)
t
s
− 225 ns
Fall Time t
f
− 30 ns
1. Pulse Test: Pulse Width ≤ 300 ms, Duty Cycle ≤ 2.0%.
ORDERING INFORMATION
Device Package Shipping
†
2N4401 TO−92 5000 Units / Bulk
2N4401G TO−92
(Pb−Free)
5000 Units / Bulk
2N4401RLRA TO−92 2000 / Tape & Reel
2N4401RLRAG TO−92
(Pb−Free)
2000 / Tape & Reel
2N4401RLRMG TO−92
(Pb−Free)
2000 / Tape & Ammo Box
2N4401RLRP TO−92 2000 / Tape & Ammo Box
2N4401RLRPG TO−92
(Pb−Free)
2000 / Tape & Ammo Box
†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.