1
Power Transistors
2SD2544
Silicon NPN triple diffusion planar type
For power amplification with high forward current transfer ratio
s
Features
q
High foward current transfer ratio h
FE
q
Satisfactory linearity of foward current transfer ratio h
FE
q
Allowing supply with the radial taping
s
Absolute Maximum Ratings
(T
C
=25C)
Parameter
Collector to base voltage
Collector to emitter voltage
Emitter to base voltage
Peak collector current
Collector current
Collector power
dissipation
Junction temperature
Storage temperature
Symbol
V
CBO
V
CEO
V
EBO
I
CP
I
C
P
C
T
j
T
stg
Ratings
60
60
7
8
4
15
2
150
55 to +150
Unit
V
V
V
A
A
W
C
C
s
Electrical Characteristics
(T
C
=25C)
Parameter
Collector cutoff current
Emitter cutoff current
Collector to emitter voltage
Forward current transfer ratio
Collector to emitter saturation voltage
Base to emitter saturation voltage
Transition frequency
Turn-on time
Storage time
Fall time
Symbol
I
CBO
I
EBO
V
CEO
h
FE1
*
h
FE2
V
CE(sat)
V
BE(sat)
f
T
t
on
t
stg
t
f
Conditions
V
CB
= 60V, I
E
= 0
V
EB
= 7V, I
C
= 0
I
C
= 10mA, I
B
= 0
V
CE
= 2V, I
C
= 0.8A
V
CE
= 2V, I
C
= 2A
I
C
= 2A, I
B
= 50mA
I
C
= 2A, I
B
= 50mA
V
CE
= 10V, I
C
= 0.5A, f = 10MHz
I
C
= 2A, I
B1
= 50mA, I
B2
= 50mA,
V
CC
= 50V
min
60
500
60
typ
1000
70
0.5
3.6
1.1
max
10
10
2000
0.5
1.5
Unit
A
A
V
V
V
MHz
s
s
s
*
h
FE1
Rank classification
Rank
Q
P
h
FE1
500 to 1200 800 to 2000
T
C
=25
C
Ta=25
C
Unit: mm
1:Base
2:Collector
3:Emitter
MT4 Type Package
1.0
10.0
0.2
0.55
0.1
2.5
0.2
2.5
0.2
4.2
0.2
13.0
0.2
2.5
0.2
18.0
0.5
Solder Dip
5.0
0.1
2.25
0.2
1.2
0.1
0.65
0.1
0.55
0.1
C1.0
90
C1.0
1 2 3
1.05
0.1
0.35
0.1
2
Power Transistors
2SD2544
P
C
-- Ta
I
C
-- V
CE
V
BE(sat)
-- I
C
V
CE(sat)
-- I
C
h
FE
-- I
C
f
T
-- I
C
C
ob
-- V
CB
Area of safe operation (ASO)
0
160
40
120
80
140
20
100
60
0
20
15
5
10
(1) T
C
=Ta
(2) Without heat sink
(P
C
=2.0W)
(1)
(2)
Ambient temperature Ta (C)
Collector power dissipation P
C
(W
)
0
12
10
8
2
6
4
0
8
6
2
5
7
4
1
3
T
C
=25C
I
B
=100mA
50mA
20mA
10mA
6mA
4mA
2mA
Collector to emitter voltage V
CE
(V)
Collector current I
C
(A
)
0.1
0.3
1
3
10
0.01
10
1
0.1
0.03
0.3
3
I
C
/I
B
=20
T
C
=25C
25C
100C
Collector current I
C
(A)
Base to emitter saturation voltage V
BE(sat)
(V
)
0.01
0.1
1
10
0.03
0.3
3
0.01
10
1
0.1
0.03
0.3
3
I
C
/I
B
=20
T
C
=100C
25C
25C
Collector current I
C
(A)
Collector to emitter saturation voltage V
CE(sat)
(V
)
0.01
0.1
1
10
0.03
0.3
3
0.001
0.003
0.01
0.03
0.1
0.3
1
3
10
V
CE
=5V
25C
25C
T
C
=100C
Collector current I
C
(A)
Forward current transfer ratio h
FE
0.01
0.1
1
10
0.03
0.3
3
1
1000
100
10
3
30
300
V
CE
=10V
f=10MHz
T
C
=25C
Collector current I
C
(A)
Transition frequency f
T
(MHz
)
1
3
10
30
100
1
1000
100
10
3
30
300
I
E
=0
f=1MHz
T
C
=25C
Collector to base voltage V
CB
(V)
Collector output capacitance C
ob
(pF
)
1
10
100
1000
3
30
300
0.01
0.03
0.1
0.3
1
3
10
30
100
I
CP
I
C
10ms
t=1ms
DC
Non repetitive pulse
T
C
=25C
Collector to emitter voltage V
CE
(V)
Collector current I
C
(A
)
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