Diodes MMBTA42 User Manual
Page 2
0
50
100
25
50
75
100
125
150
175
200
P
,
P
O
W
E
R
DI
S
S
IP
A
TI
O
N (
m
W
)
D
T , AMBIENT TEMPERATURE (°C)
Fig. 1, Max Power Dissipation vs
Ambient Temperature
A
150
200
250
300
350
400
0
Note 1
1
10
100
1000
V,
C
O
LL
E
C
T
O
R
T
O
E
M
ITTE
R
S
A
T
U
RA
T
IO
N
V
O
L
T
A
G
E
(
V
)
CE(
S
A
T
)
I , COLLECTOR CURRENT (mA)
Fig. 2, Collector Emitter Saturation Voltage
vs. Collector Current
C
T = 25°C
A
T = -50°C
A
T = 150°C
A
0.2
0
0.4
0.6
0.8
1.0
1.2
1.4
1.6
2.0
1.8
I
I
C
B
= 10
1
10
1,000
10,000
100
1
10
1000
100
h,
D
C
C
U
R
R
E
N
T
GAI
N
FE
I , COLLECTOR CURRENT (mA)
Fig. 3, DC Current Gain vs
Collector Current
C
T = -50°C
A
T = 25°C
A
T = 150°C
A
V
= 5V
CE
0.1
0.2
0.1
1
10
V,
B
100
A
SE
E
M
IT
T
E
R
V
O
L
T
A
G
E (
V)
BE(
ON
)
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
V
= 5V
CE
I , COLLECTOR CURRENT (mA)
Fig. 4, Base Emitter Voltage vs Collector Current
C
T = -50°C
A
T = 25°C
A
T = 150°C
A
1
10
100
1
10
f,
G
A
IN
BA
N
DWI
D
T
H
P
R
O
D
U
C
T
(
M
H
z)
T
I , COLLECTOR CURRENT (mA)
Fig. 5, Gain Bandwidth Product vs
Collector Current
C
V
= 5V
CE
DS30062 Rev. 11 - 2
2 of 3
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