Diodes MMST4124 - Manual (Page 2)

MMST4124
Document number: DS30163 Rev. 9 - 2
2 of 3
www.diodes.com
January 2009
© Diodes Incorporated
MMST4124
0
50
100
25 50 75 100 125 150 175 200
P
,
P
O
WE
R
DI
SSI
P
A
T
IO
N (
m
W
)
D
T , AMBIENT TEMPERATURE (°C)
Fig. 1 Power Dissipation vs.
Ambient Temperature (Note 1)
A
150
200
250
300
350
400
0
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)
Fig. 2 Typical DC Current Gain vs.
Collector Current
C
0.01
0.1
1
0.1 1 10 100 1,000
V,
C
O
LL
E
C
T
O
R
-E
M
IT
T
E
R
SA
TURA
TI
O
N
VO
L
T
AG
E
CE
(S
A
T
)
(V
)
I , COLLECTOR CURRENT (mA)
Fig. 3 Typical Collector-Emitter Saturation Voltage
vs. Collector Current
C
0.1
1
10
0.1 1 10 100 1,000
V
, BAS
E-
EM
IT
T
E
R
SA
T
U
R
A
T
IO
N V
O
L
T
A
G
E
BE
(S
A
T
)
(V
)
I , COLLECTOR CURRENT (mA)
Fig. 4 Typical Base-Emitter Saturation Voltage
vs. Collector Current
C
0
5
15
10
0.1 1 10 100
C
A
P
A
C
IT
AN
C
E (
p
F
)
V , REVERSE VOLTAGE (V)
Fig. 5 Typical Capacitance Characteristics
R
C
ibo
C
obo
f = 1MHz