2N4401
ELECTRICAL CHARACTERISTICS
Ratings at 25¡C ambient temperature unless otherwise specified
SYMBOL MIN. MAX. UNIT
Collector-Base Breakdown Voltage
at IC= 0.1 mA, IE = 0
V
(BR)CBO
60 Ð Volts
Collector-Emitter Breakdown Voltage
(1)
at IC = 1 mA, IB = 0
V
(BR)CEO
40 Ð Volts
Emitter-Base Breakdown Voltage
at IE = 0.1 mA, IC = 0
V
(BR)EBO
6.0 Ð Volts
Collector-Emitter Saturation Voltage
(1)
at IC = 150 mA, IB = 15 mA
V
CEsat
Ð 0.40 Volts
at IC = 500 mA, IB = 50 mA
V
CEsat
Ð 0.75 Volts
Base-Emitter Saturation Voltage
(1)
at IC = 150 mA, IB= 15 mA
V
BEsat
0.75 0.95 Volts
at IC = 500 mA, IB= 50 mA
V
BEsat
Ð 1.20 Volts
Collector Cutoff Current
I
CEX
Ð 100 nA
at V
EB
= 0.4 V, V
CE
= 35 V
Base Cutoff Current
at V
EB
= 0.4 V, V
CE
= 35 V
I
BEV
Ð 100 nA
DC Current Gain
at V
CE
= 1 V, IC = 0.1 mA h
FE
20 Ð Ð
at V
CE
= 1 V, IC = 1 mA h
FE
40 Ð Ð
at V
CE
= 1 V, IC = 10 mA h
FE
80 Ð Ð
at V
CE
= 1 V, IC = 150 mA
(1)
h
FE
100 300 Ð
at V
CE
= 2 V, IC = 500 mA
(1)
h
FE
40 Ð Ð
Input Impedance
at V
CE
= 10 V, IC = 1 mA, f = 1 kHz
h
ie
1.0 15 kW
Voltage Feedback Ratio
at V
CE
= 10 V, IC = 1 mA, f = 1 kHz
h
re
0.1 ¥ 10
-4
8 ¥ 10
-4
Ð
Current Gain-Bandwidth Product
at V
CE
= 10 V, IC = 20 mA, f = 100 MHz
f
T
250 Ð MHz
Collector-Base Capacitance
at V
CB
= 5 V, IE=0, f=1.0 MH
Z
C
CBO
Ð 6.5 pF
Emitter-Base Capacitance
at V
EB
= 0.5 V, IC=0, f=1.0 MH
Z
C
EBO
Ð30pF
NOTES
(1) Pulse test: Pulse width ² 300ms - Duty cycle ² 2%