Po wer Transistors
10.0±0.2
5.5±0.2
7.5±0.2
16.7±0.3
0.7±0.1
14.0±0.5
Solder Dip
4.0
0.5
+0.2
–0.1
1.4±0.1
1.3±0.2
0.8±0.1
2.54±0.25
5.08±0.5
213
2.7±0.2
4.2±0.2
4.2±0.2
φ3.1±0.1
2SD1275, 2SD1275A
Silicon NPN triple diffusion planar type Darlington
For power amplification
Complementary to 2SB949 and 2SB949A
Features
■
●
High foward current transfer ratio h
●
High-speed switching
●
Full-pack package which can be installed to the heat sink with
one screw
FE
Unit: mm
Absolute Maximum Ratings (T
■
Parameter
Collector to
base voltage
Collector to
emitter voltage
2SD1275
2SD1275A
2SD1275
2SD1275A
Emitter to base voltage
Peak collector current
Collector current
Collector power
dissipation
TC=25°C
Ta=25°C
Junction temperature
Storage temperature
Electrical Characteristics (T
■
Parameter
Collector cutoff
current
Collector cutoff
current
2SD1275
2SD1275A
2SD1275
2SD1275A
Emitter cutoff current
Collector to emitter
voltage
Forward current transfer ratio
Base to emitter voltage
Collector to emitter saturation voltage
Transition frequency
2SD1275
2SD1275A
Turn-on time
Storage time
Fall time
*
h
Rank classification
FE2
Rank Q P
h
FE2
2000 to 5000
Symbol
V
CBO
V
CEO
V
EBO
I
CP
I
C
P
C
T
j
T
stg
Symbol
I
CBO
I
CEO
I
EBO
V
CEO
h
FE1
h
FE2
V
BE
V
CE(sat)
f
T
t
on
t
stg
t
f
4000 to 10000
=25˚C)
C
Ratings
–55 to +150
=25˚C)
C
*
Unit
60
80
60
80
5
4
2
35
2
150
V
V
V
A
A
W
˚C
˚C
Conditions
VCB = 60V, IE = 0
VCB = 80V, IE = 0
VCE = 30V, IB = 0
VCE = 40V, IB = 0
VEB = 5V, IC = 0
IC = 30mA, IB = 0
VCE = 4V, IC = 1A
VCE = 4V, IC = 2A
VCE = 4V, IC = 2A
IC = 2A, IB = 8mA
VCE = 10V, IC = 0.5A, f = 1MHz
IC = 2A, IB1 = 8mA, IB2 = –8mA,
VCC = 50V
TO–220 Full Pack Package(a)
Internal Connection
B
min
60
80
1000
2000
typ
20
0.5
1:Base
2:Collector
3:Emitter
C
E
max
Unit
1
mA
1
2
mA
2
2
mA
V
10000
2.8
2.5
V
V
MHz
µs
4
1
µs
µs
1
Po wer Transistors 2SD1275, 2SD1275A
PC—Ta IC—V
50
)
W
(
40
C
(1)
30
20
(2)
10
(3)
Collector power dissipation P
(4)
0
0 16040 12080 14020 10060
Ambient temperature Ta (˚C
)
100
V
(
30
CE(sat)
10
3
TC=–25˚C
1
100˚C
0.3
0.1
0.03
0.01
Collector to emitter saturation voltage V
0.01 0.1 1 100.03 0.3 3
(1) TC=Ta
(2) With a 100 × 100 × 2mm
Al heat sink
(3) With a 50 × 50 × 2mm
Al heat sink
(4) Without heat sink
(P
=2W)
C
V
CE(sat)—IC
IC/IB=250
25˚C
Collector current IC (A
)
)
CE
5
4
)
A
(
C
3
2
Collector current I
1
0
0654132
IB=2.0mA
1.8mA
1.6mA
1.4mA
1.2mA
1.0mA
0.8mA
0.6mA
0.4mA
Collector to emitter voltage VCE (V
hFE—I
C
5
10
FE
4
10
TC=100˚C
25˚C
3
10
–25˚C
2
10
Forward current transfer ratio h
10
0.01 0.1 1 100.03 0.3 3
Collector current IC (A
TC=25˚C
0.2mA
VCE=4V
)
IC—V
10
8
)
A
(
C
6
4
Collector current I
2
0
03.20.8 2.41.6
)
Base to emitter voltage VBE (V
Cob—V
10000
)
pF
3000
(
ob
1000
300
100
30
10
3
Collector output capacitance C
1
0.1 1 10 1000.3 3 30
Collector to base voltage VCB (V
TC=100˚C
BE
25˚C
CB
–25˚C
VCE=4V
IE=0
f=1MHz
T
=25˚C
C
)
)
Area of safe operation (ASO) R
100
30
)
10
A
(
I
CP
C
3
I
C
1
0.3
0.1
Collector current I
0.03
0.01
1 10 100 10003 30 300
Non repetitive pulse
=25˚C
T
C
t=10ms
1ms
DC
2SD1275
2SD1275A
Collector to emitter voltage VCE (V
)
3
10
)
2
10
˚C/W
(
(t)
th
10
1
–1
10
Thermal resistance R
–2
10
–4
10
–3
10
2
—t
th(t)
(1) Without heat sink
(2) With a 100 × 100 × 2mm Al heat sink
(1)
(2)
–1
–2
10
Time t (s
1010
110
10
)
3
2
4
10