1
Power Transistors
2SB1548, 2SB1548A
Silicon PNP epitaxial planar type
For power amplification
Complementary to 2SD2374 and 2SD2374A
s
Features
q
High forward current transfer ratio h
FE
which has satisfactory linearity
q
Low collector to emitter saturation voltage V
CE(sat)
q
Full-pack package which can be installed to the heat sink with
one screw
s
Absolute Maximum Ratings
(T
C
=25C)
Note: Ordering can be made by the common rank (PQ rank h
FE1
= 70 to 250) in the rank classification.
Unit: mm
1:Base
2:Collector
3:Emitter
TO220D Full Pack Package
1
9.9
0.3
15.0
0.5
13.7
0.2
4.2
0.2
4.6
0.2
2.9
0.2
0.8
0.1
1.4
0.2
2
3
3.2
0.1
2.6
0.1
0.55
0.15
2.54
0.3
5.08
0.5
3.0
0.5
1.6
0.2
*
h
FE1
Rank classification
Rank
Q
P
h
FE1
70 to 150
120 to 250
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
80
60
80
5
5
3
25
2
150
55 to +150
Unit
V
V
V
A
A
W
C
C
2SB1548
2SB1548A
2SB1548
2SB1548A
T
C
=25
C
Ta=25
C
s
Electrical Characteristics
(T
C
=25C)
Parameter
Collector cutoff
current
Collector cutoff
current
Emitter cutoff current
Collector to emitter
voltage
Forward current transfer ratio
Base to emitter voltage
Collector to emitter saturation voltage
Transition frequency
Turn-on time
Storage time
Fall time
Symbol
I
CES
I
CEO
I
EBO
V
CEO
h
FE1
*
h
FE2
V
BE
V
CE(sat)
f
T
t
on
t
stg
t
f
Conditions
V
CE
= 60V, V
BE
= 0
V
CE
= 80V, V
BE
= 0
V
CE
= 30V, I
B
= 0
V
CE
= 60V, I
B
= 0
V
EB
= 5V, I
C
= 0
I
C
= 30mA, I
B
= 0
V
CE
= 4V, I
C
= 1A
V
CE
= 4V, I
C
= 3A
V
CE
= 4V, I
C
= 3A
I
C
= 3A, I
B
= 0.375A
V
CE
= 10V, I
C
= 0.5A, f = 10MHz
I
C
= 1A, I
B1
= 0.1A, I
B2
= 0.1A
min
60
80
70
10
typ
30
0.5
1.2
0.3
max
200
200
300
300
1
250
1.8
1.2
Unit
A
A
mA
V
V
V
MHz
s
s
s
2SB1548
2SB1548A
2SB1548
2SB1548A
2SB1548
2SB1548A
2
Power Transistors
2SB1548, 2SB1548A
P
C
-- Ta
I
C
-- V
CE
I
C
-- V
BE
V
CE(sat)
-- I
C
h
FE
-- I
C
f
T
-- I
C
Area of safe operation (ASO)
R
th(t)
-- t
0
160
40
120
80
140
20
100
60
0
40
32
24
16
8
36
28
20
12
4
(1) T
C
=Ta
(2) Without heat sink (P
C
=2W)
(1)
(2)
Ambient temperature Ta (C)
Collector power dissipation P
C
(W
)
0
12
10
8
2
6
4
0
6
5
4
3
2
1
T
C
=25C
80mA
60mA
40mA
30mA
20mA
16mA
12mA
8mA
4mA
I
B
=100mA
Collector to emitter voltage V
CE
(V)
Collector current I
C
(A
)
0
1.2
1.0
0.8
0.2
0.6
0.4
0
8
6
2
5
7
4
1
3
V
CE
=4V
T
C
=25C
Base to emitter voltage V
BE
(V)
Collector current I
C
(A
)
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
I
C
/I
B
=10
T
C
=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
1
3
10
30
100
300
1000
3000
10000
V
CE
=4V
T
C
=25C
Collector current I
C
(A)
Forward current transfer ratio h
FE
0.01
0.1
1
10
0.03
0.3
3
0.1
0.3
1
3
10
30
100
300
1000
V
CE
=10V
f=10MHz
T
C
=25C
Collector current I
C
(A)
Transition frequency f
T
(MHz
)
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
Non repetitive pulse
T
C
=25C
DC
Collector to emitter voltage V
CE
(V)
Collector current I
C
(A
)
10
4
10
10
3
10
1
10
2
1
10
3
10
2
10
4
10
2
10
1
1
10
10
3
10
2
(1)
(2)
(1) Without heat sink
(2) With a 100
80
t2mm Al heat sink
Time t (s)
Thermal resistance R
th
(t)
(C/W
)
PDF 
ZIP