
Po wer Transistors
2SD1754, 2SD1754A
Silicon NPN triple diffusion planar type
For power amplification with high forward current transfer ratio
Features
■
●
High foward current transfer ratio h
●
Satisfactory linearity of foward current transfer ratio h
●
I type package enabling direct soldering of the radiating fin to 
the printed circuit board, etc. of small electronic equipment.
Absolute Maximum Ratings (T
■
Parameter
Collector to 
base voltage 
Collector to 
emitter voltage
2SD1754 
2SD1754A 
2SD1754
2SD1754A 
Emitter to base voltage 
Peak collector current 
Collector current 
Base current 
Collector power 
dissipation
TC=25°C 
Ta=25°C
Junction temperature 
Storage temperature
Symbol
V
V
V 
I
CP
I
C
I
B
P
C
T
j
T
stg
CBO
CEO
EBO
FE
=25˚C)
C
Ratings
80
100
60 
80
6 
6 
3 
1
15
1.3
150
–55 to +150
FE
Unit
V
V
V 
A 
A 
A
W
˚C 
˚C
10.2±0.3
7.2±0.3
+0.3
–0.
10.0
7.2±0.3
7.0±0.3
3.0±0.2
0.8±0.21.0±0.2
4.6±0.4
7.0±0.3
1.1±0.1
123
4.6±0.4
1.1±0.1
0.75±0.1
2.3±0.2
213
2.0±0.2
3.0±0.2
0.75±0.1
2.3±0.2
3.5±0.2
1:Base 
2:Collector 
3:Emitter 
I Type Package
3.5±0.2
1.0 max.
2.5
0.5 max.
1:Base 
2:Collector 
3:Emitter 
I Type Package (Y)
Unit: mm
0.85±0.1
0.4±0.1
Unit: mm
0 to 0.15
0.9±0.1 
0 to 0.15
1.01.0
2.5±0.2
2.5±0.2
Electrical Characteristics (T
■
Parameter
Collector cutoff 
current
2SD1754
2SD1754A 
Collector cutoff current 
Emitter cutoff current 
Collector to emitter 
voltage
2SD1754
2SD1754A 
Forward current transfer ratio 
Collector to emitter saturation voltage 
Transition frequency
*
hFE Rank classification
Rank Q P
h
500 to 1000 800 to 1500
FE
C
Symbol
I
CBO
I
CEO
I
EBO
V
CEO
*
h
FE
V
CE(sat)
f
T
=25˚C)
Conditions
VCB = 80V, IE = 0 
VCB = 100V, IE = 0 
VCE = 40V, IB = 0 
VEB = 6V, IC = 0
IC = 25mA, IB = 0
VCE = 4V, IC = 0.5A 
IC = 2A, IB = 0.05A 
VCE = 12V, IC = 0.2A, f = 10MHz
min
60 
80
500
typ30max
100 
100 
100 
100
1500
1
Unit
µA
µA 
µA
V
V
MHz
1
 

Po wer Transistors 2SD1754, 2SD1754A
PC—Ta IC—V
20
) 
W
(
(1)
C
15
10
5
(2)
Collector power dissipation  P
0
0 16040 12080 14020 10060
Ambient temperature  Ta  (˚C
)
100
V
(
30
CE(sat)
10
3
1
0.3
0.1
0.03
0.01
Collector to emitter saturation voltage  V
0.01 0.1 1 100.03 0.3 3
Collector current  IC  (A
(1) TC=Ta 
(2) Without heat sink
V
CE(sat)—IC
(P
C
=1.3W)
)
IC/IB=40
TC=100˚C
25˚C
–25˚C
)
CE
1.0
0.8
) 
A
(
C
0.6
0.4
Collector current  I
0.2
0
012108264
IB=1.2mA
1mA
0.7mA
0.6mA
0.5mA
Collector to emitter voltage  VCE  (V
hFE—I
C
10000
3000
FE
TC=100˚C
1000
Forward current transfer ratio  h
25˚C
–25˚C
300
100
30
10
3
1
0.01 0.1 1 100.03 0.3 3
Collector current  IC  (A
TC=25˚C
0.4mA
0.3mA
0.2mA
0.1mA
VCE=4V
)
5
4
) 
A
(
C
3
2
Collector current  I
1
0
01.21.00.80.2 0.60.4
)
Base to emitter voltage  VBE  (V
10000
3000
) 
MHz
1000
(
T
300
100
30
10
Transition frequency  f
3
1
0.01 0.1 1 100.03 0.3 3
IC—V
BE
25˚C
TC=100˚C
fT—I
C
VCE=12V 
f=10MHz 
T
C
Collector current  IC  (A
–25˚C
)
=25˚C
)
Area of safe operation (ASO) R
100
30
)
10
A
I
(
CP
C
I
C
3
300ms
1
0.3
0.1
Collector current  I
0.03
0.01 
1 10 100 10003 30 300
10ms
Non repetitive pulse
=25˚C
T
C
t=1ms
2SD1754
2SD1754A
Collector to emitter voltage  VCE  (V
)
3
10
) 
˚C/W
2
(
10
(t)  
th
10
1
Thermal resistance  R
–1
10
–4
10
–3
10
2
—t
th(t)
(1) Without heat sink 
(2) With a 50 × 50 × 2mm Al heat sink
(1)
(2)
–1
–2
10
Time  t  (s
1010
110
10
)
3
2
4
10