Diodes MMDT5451 User Manual
Page 3

0.04
0.05
0.06
0.07
0.08
0.09
0.15
0.14
0.13
0.12
0.11
0.10
1
10
100
1,000
V,
C
O
LL
E
C
T
O
R
T
O
EM
IT
T
E
R
S
A
T
U
RA
TI
O
N
VO
LT
AG
E
(V
)
CE
(S
A
T
)
I , COLLECTOR CURRENT (mA)
Fig. 2, Collector Emitter Saturation Voltage
vs. Collector Current (NPN5551)
C
I
I
C
B
= 10
T = 150°C
A
T = 25°C
A
T = -50°C
A
0
50
25
50
75
100 125
150
175 200
P
, P
O
WE
R
D
ISSI
P
A
T
IO
N (
m
W
)
D
T , AMBIENT TEMPERATURE (°C)
Fig. 1, Max Power Dissipation vs.
Ambient Temperature (Total Device)
A
100
150
200
0
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0.1
1
10
100
V
, BAS
E EM
IT
T
E
R
V
O
LT
A
G
E (
V)
BE
(O
N
)
I , COLLECTOR CURRENT (mA)
Fig. 4, Base Emitter Voltage
vs. Collector Current (NPN5551)
C
V
= 5V
CE
T = 150°C
A
T = 25°C
A
T = -50°C
A
1
10
1,000
100
1
10
100
h,
D
C
C
U
R
R
EN
T
G
AI
N
FE
I , COLLECTOR CURRENT (mA)
Fig. 3, DC Current Gain vs.
Collector Current (NPN5551)
C
V
= 5V
CE
T = 150°C
A
T = 25°C
A
T = -50°C
A
1
10
1,000
100
1
10
100
f,
G
AIN BANDW
ID
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 (NPN5551)
C
0.01
0.1
1.0
10.0
1
10
100
1,000
T = 25°C
A
T = -50°C
A
T = 150°C
A
V
, COL
L
ECT
O
R T
O
EM
IT
T
E
R
SA
TU
R
A
T
IO
N
VO
LT
A
G
E
(
V
)
CE
(S
A
T
)
I , COLLECTOR CURRENT (mA)
Fig. 6, Collector Emitter Saturation Voltage
vs. Collector Current (PNP5401)
C
I
I
C
B
= 10
DS30171 Rev. 9 - 2
3 of 5
www.diodes.com
MMDT5451
© Diodes Incorporated