Power Transistors
2SD1275, 2SD1275A
Silicon NPN triple diffusion planar type Darlington
For power amplification
Complementary to 2SB949 and 2SB949A
0.7±0.1
Unit: mm
10.0±0.2
5.5±0.2
2.7±0.2
4.2±0.2
4.2±0.2
q
q
16.7±0.3
q
High foward current transfer ratio h
FE
High-speed switching
Full-pack package which can be installed to the heat sink with
one screw
(T
C
=25˚C)
Ratings
60
80
60
80
5
4
2
35
2
150
–55 to +150
Unit
V
7.5±0.2
s
Features
φ3.1±0.1
4.0
14.0±0.5
s
Absolute Maximum Ratings
Parameter
Collector to
base voltage
Collector to
2SD1275
2SD1275A
2SD1275
Symbol
V
CBO
V
CEO
V
EBO
I
CP
I
C
P
C
T
j
T
stg
1.4±0.1
1.3±0.2
Solder Dip
0.5
–0.1
0.8±0.1
+0.2
2.54±0.25
5.08±0.5
emitter voltage 2SD1275A
Emitter to base voltage
Peak collector current
Collector current
Collector power T
C
=25°C
dissipation
Ta=25°C
Junction temperature
Storage temperature
V
V
A
A
W
B
1
2
1:Base
2:Collector
3:Emitter
TO–220 Full Pack Package(a)
3
Internal Connection
C
˚C
˚C
E
s
Electrical Characteristics
(T
C
=25˚C)
Parameter
Symbol
I
CBO
I
CEO
I
EBO
2SD1275
2SD1275A
V
CEO
h
FE1
h
FE2*
V
BE
V
CE(sat)
f
T
t
on
t
stg
t
f
Conditions
V
CB
= 60V, I
E
= 0
V
CB
= 80V, I
E
= 0
V
CE
= 30V, I
B
= 0
V
CE
= 40V, 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
= 2A
V
CE
= 4V, I
C
= 2A
I
C
= 2A, I
B
= 8mA
V
CE
= 10V, I
C
= 0.5A, f = 1MHz
I
C
= 2A, I
B1
= 8mA, I
B2
= –8mA,
V
CC
= 50V
20
0.5
4
1
60
80
1000
2000
10000
2.8
2.5
V
V
MHz
µs
µs
µs
min
typ
max
1
1
2
2
2
Unit
mA
2SD1275
2SD1275A
2SD1275
2SD1275A
Collector cutoff
current
Collector cutoff
current
Emitter cutoff current
Collector to emitter
voltage
mA
mA
V
Forward current transfer ratio
Base to emitter voltage
Collector to emitter saturation voltage
Transition frequency
Turn-on time
Storage time
Fall time
*
h
FE2
Rank classification
Q
P
2000 to 5000 4000 to 10000
Rank
h
FE2
1
PANASONIC [ PANASONIC SEMICONDUCTOR ]
