Diodes MMBT4401T User Manual
Page 3
0.001
0.01
1
10
0.1
100
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
I , BASE CURRENT (mA)
Fig. 4 Typical Collector Saturation Region
B
V,
C
O
LL
E
C
T
O
R
-E
MIT
T
E
R
V
O
LTA
G
E (
V
)
CE
1.0
5.0
20
30
10
0.1
10
1.0
50
C
A
P
A
C
IT
AN
C
E (
p
F
)
V , REVERSE VOLTAGE (V)
Fig. 3 Typical Capacitance
R
100
1
0.1
10
100
V
, BA
SE-
EM
IT
T
E
R
V
O
LT
A
G
E (
V
)
BE
(O
N
)
I , COLLECTOR CURRENT (mA)
Fig. 6 Typical Base-Emitter Voltage vs. Collector Current
C
0.2
0.3
0.4
0.6
0.5
0.8
0.7
1.0
0.9
V
= 5V
CE
T = 25°C
A
T = -50°C
A
T = 150°C
A
1
10
100
1,000
V,
C
O
LL
E
C
T
O
R
-E
MI
T
T
E
R
SA
TURA
TI
O
N
VO
LT
AG
E
(V
)
CE
(S
A
T
)
I , COLLECTOR CURRENT (mA)
Fig. 5 Typical Collector Emitter Saturation Voltage
vs. Collector Current
C
T = 25°C
A
T = -50°C
A
T = 150°C
A
0
0.1
0.2
0.3
0.4
0.5
I
I
C
B
= 10
1
10
100
1,000
1
10
I , COLLECTOR CURRENT (mA)
Fig. 7 Typical Gain-Bandwidth Product vs. Collector Current
C
f,
100
G
AI
N
-B
A
N
DW
ID
T
H
P
R
O
D
U
C
T
(M
H
z)
T
DS30272 Rev. 8 - 2
3 of 4
www.diodes.com
MMBT4401T
© Diodes Incorporated