Diodes MMBT4126 User Manual
Page 2
0
50
100
25
50
75
100
125
150
175
200
P
,
P
O
WE
R
DIS
S
IP
A
T
IO
N
(m
W
)
D
T , AMBIENT TEMPERATURE (°C)
Fig. 1, Max Power Dissipation vs.
Ambient Temperature
A
150
200
250
300
350
0
1
100
10
0.1
1
10
100
C
, I
N
P
U
T
C
A
P
A
C
IT
AN
C
E (
p
F
)
C
, OUT
P
UT
CA
P
A
C
IT
A
NCE
(p
F
)
IB
O
OB
O
V
, COLLECTOR-BASE VOLTAGE (V)
Fig. 2, Input and Output Capacitance vs.
Collector-Base Voltage
CB
0.01
0.1
10
1
1
10
100
1,000
V,
C
O
LL
E
C
T
O
R
-E
MI
T
T
E
R
(V
)
S
A
T
URA
T
ION V
O
L
T
A
G
E
CE
(S
A
T
)
I , COLLECTOR CURRENT (mA)
Fig. 4, Typical Collector-Emitter Saturation Voltage
vs. Collector Current
C
1
10
1,000
100
0.1
1
10
1,000
100
h,
D
C
C
U
R
R
E
N
T
G
AI
N
FE
I , COLLECTOR CURRENT (mA)
Fig. 3, Typical DC Current Gain vs.
Collector Current
C
0.5
0.6
0.7
0.8
0.9
1.0
1
10
V
, B
ASE-
EM
I
100
T
T
E
R
(V
)
SA
T
U
RA
T
IO
N
VO
L
T
AG
E
BE
(S
A
T
)
I , COLLECTOR CURRENT (mA)
Fig. 5, Typical Base-Emitter
Saturation Voltage vs. Collector Current
C
I
I
C
B
= 10
DS30106 Rev. 8 - 2
2 of 3
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