2N4401BU Datasheet, PDF (4/7 Pages) Fairchild Semiconductor – This device is designed for use as a medium power amplifier and switch requiring collector currents up to 500 mA

Typical Characteristics (continued)
NPN General Purpose Amplifier
(continued)
Turn On and Turn Off Times
vs Collector Current
400
I_B1= I_B2=
I_c
10
320
V _cc = 25 V
240
160
80
0
10
t _off
t _on
100
I _C - COLLECTOR CURRENT (mA)
1000
Switching Times
vs Collector Current
400
I_B1= I_B2=
Ic
10
320
V _cc = 25 V
240
160
80
0
10
ts
tr
tf
td
100
I _C - COLLECTOR CURRENT (mA)
1000
Power Dissipation vs
Ambient Temperature
1
0.75 _TO-92
SOT-223
0.5
SOT-23
0.25
0
0
25
50
75
100
125
150
TEMPERATURE (^oC)