1
Power Transistors
2SD1975, 2SD1975A
Silicon NPN triple diffusion planar type
For high power amplification
Complementary to 2SB1317 and 2SB1317A
n
Features
l Satisfactory foward current transfer ratio h
FE
collector current I
C
characteristics
l Wide area of safe operation (ASO)
l High transition frequency f
T
l Optimum for the output stage of a HiFi audio amplifier
n
Absolute Maximum Ratings (T
C
=25˚C)
n
Electrical Characteristics (T
C
=25˚C)
Parameter
Collector cutoff
current
Emitter cutoff current
Forward current transfer ratio
Base to emitter voltage
Collector to emitter saturation voltage
Transition frequency
Collector output capacitance
Symbol
I
CBO
I
EBO
h
FE1
h
FE2
*
h
FE3
V
BE
V
CE(sat)
f
T
C
ob
Conditions
V
CB
= 180V, I
E
= 0
V
CB
= 200V, I
E
= 0
V
EB
= 3V, I
C
= 0
V
CE
= 5V, I
C
= 20mA
V
CE
= 5V, I
C
= 1A
V
CE
= 5V, I
C
= 8A
V
CE
= 5V, I
C
= 8A
I
C
= 10A, I
B
= 1A
V
CE
= 5V, I
C
= 0.5A, f = 1MHz
V
CB
= 10V, I
E
= 0, f = 1MHz
min
20
60
20
typ
20
200
max
50
50
50
200
1.8
2.5
Unit
m A
m A
V
V
MHz
pF
*
h
FE2
Rank classification
Rank Q S P
h
FE2
60 to 120 80 to 160 100 to 200
Unit: mm
1:Base
2:Collector
3:Emitter
TOP–3L Package
20.0– 0.5
6.0
10.0
26.0
–
0.5
20.0
–
0.5
1.5
2.5
Solder Dip
10.9– 0.5
123
2.0– 0.3
3.0– 0.3
1.0– 0.2
5.0– 0.3
3.0
4.0
2.0
5.45– 0.3
0.6– 0.2
1.5
2.7– 0.3
1.5
2.0
f 3.3– 0.2
3.0
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
180
200
180
200
5
25
15
150
3.5
150
–55 to +150
Unit
V
V
V
A
A
W
˚C
˚C
2SD1975
2SD1975A
2SD1975
2SD1975A
T
C
=25 C
Ta=25 C
2SD1975
2SD1975A