Diodes MMBT4401 - Manual (Page 5)

MMBT4401
Document Number: DS30039 Rev. 17 - 2
5 of 7
www.diodes.com
November 2013
© Diodes Incorporated
MMBT4401
1
10
1,000
100
0.1 1 10 1,000 100
h,
D
C
C
U
R
R
EN
T
G
AI
N
FE
I , COLLECTOR CURRENT (mA)
Figure 1 Typical DC Current Gain vs. Collector Current
C
T = -25°C
A
T = +25°C
A
T = 125°C
A
V = 1.0V
CE
1 10 100 1,000
V,
C
O
LL
E
C
T
O
R
-E
M
IT
T
E
R
SA
TU
R
A
T
IO
N
V
O
LT
A
G
E
(
V
)
CE
(S
A
T
)
I , COLLECTOR CURRENT (mA)
Figure 2 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 0.1 10 100
V
, BASE
-E
M
IT
T
E
R
T
U
R
N
-O
N
V
O
LT
A
G
E (
V
)
BE(
ON
)
I , COLLECTOR CURRENT (mA)
Figure 3 Typical Base-Emitter Turn-On 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
5
20
30
10
0.1 10 1.0 50
C
A
P
A
C
IT
A
N
C
E (
p
F
)
V , REVERSE VOLTAGE (V)
Figure 4 Typical Capacitance Characteristics
R
C
obo
100
C
ibo
1
10
100
1,000
1 10 100
I , COLLECTOR CURRENT (mA)
Figure 5 Typical Gain Bandwidth Product vs. Collector Current
C
f,
G
AI
N
BA
N
DW
ID
T
H
P
R
O
D
U
C
T
(M
H
z)
T
V = 5V
CE
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)
Figure 6 Typical Collector Saturation Region
B
V,
C
O
LL
E
C
T
O
R
-E
MI
T
T
E
R
V
O
LT
A
G
E (
V
)
CE
I = 1mA
C
I = 10mA
C
I = 30mA
C
I = 100mA
C
I = 300mA
C