Diodes MMDT4124 User Manual Page 2

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MMDT4124
Document number: DS30164 Rev. 10 - 2
2 of 3
www.diodes.com
January 2009
© Diodes Incorporated
MMDT4124
0
50
100
25 50
75
100 125
150
175
200
P
,
P
O
WE
R
DISSI
P
A
T
I
O
N
(mW)
D
T , AMBIENT TEMPERATURE (°C)
Fig. 1 Power Dissipation vs.
Ambient Temperature (Note 1)
A
150
200
250
300
350
0
RC/W
θ
JA
°
= 625
1
10
1,000
100
0.1
1
10
1,000
100
h, D
C
C
U
R
R
EN
T
G
AIN
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
LLE
C
T
O
R
-EMI
T
T
E
R
SATURATION VOLTAGE
CE(SAT)
(V)
I , COLLECTOR CURRENT (mA)
Fig. 3 Typical Collector-Emitter Saturation Voltage
vs. Collector Current
C
I
C
I
B
= 10
0.1
1
10
0.1 1 10 100 1,000
V , BASE-EMI
E
SA
A
I
N V
L
A
E
BE(SAT)
(V)
I , COLLECTOR CURRENT (mA)
Fig. 4 Typical Base-Emitter Saturation Voltage
vs. Collector Current
C
0
5
1
10
0.1
1
10
100
C
A
P
A
C
I
T
A
N
C
E (p
F
)
V , COLLECTOR-BASE VOLTAGE (V)
Fig. 5 Typical Capacitance Characteristics
CB
C
ibo
C
obo
f = 1MHz
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