![](/html/2e/2ef2/2ef200fd3b23d0e4e53f218bfcc262a28d7121fbf7164af520897573651730a7/bg1.png)
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
Po wer Transistors
2SD1276, 2SD1276A
Silicon NPN triple diffusion planar type Darlington
For power amplification
Complementary to 2SB950 and 2SB950A
Features
■
●
High foward current transfer ratio h
●
High-speed switching
●
Full-pack package which can be installed to the heat sink with
one screw
Absolute Maximum Ratings (T
■
Parameter
Collector to
base voltage
Collector to
emitter voltage
2SD1276
2SD1276A
2SD1276
2SD1276A
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
Emitter cutoff current
Collector to emitter
voltage
Forward current transfer ratio
Collector to emitter saturation voltage
Base to emitter voltage
Transition frequency
Turn-on time
Storage time
Fall time
*
h
Rank classification
FE2
Rank Q P
h
FE2
2000 to 5000
Symbol
2SD1276
2SD1276A
2SD1276
2SD1276A
2SD1276
2SD1276A
4000 to 10000
V
V
V
I
CP
I
C
P
C
T
j
T
stg
CBO
CEO
EBO
C
Symbol
I
CBO
I
CEO
I
EBO
V
CEO
h
FE1
*
h
FE2
V
CE(sat)
V
BE
f
T
t
on
t
stg
t
f
FE
=25˚C)
C
Ratings
60
80
60
80
5
8
4
40
2
150
–55 to +150
=25˚C)
Unit
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 = 3V, IC = 0.5A
VCE = 3V, IC = 3A
IC = 3A, IB = 12mA
IC = 5A, IB = 20mA
VCE = 3V, IC = 3A
VCE = 10V, IC = 0.5A, f = 1MHz
IC = 3A, IB1 = 12mA, IB2 = –12mA,
VCC = 50V
TO–220 Full Pack Package(a)
Internal Connection
B
min
60
80
1000
2000
typ
20
0.5
Unit: mm
1:Base
2:Collector
3:Emitter
C
E
max
200
200
500
500
Unit
µA
µA
2
mA
V
10000
2
4
2.5
V
V
MHz
µs
4
1
µs
µs
1
![](/html/2e/2ef2/2ef200fd3b23d0e4e53f218bfcc262a28d7121fbf7164af520897573651730a7/bg2.png)
Po wer Transistors 2SD1276, 2SD1276A
PC—Ta IC—V
50
)
W
(
(1)
40
C
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=100˚C
1
–25˚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
Collector current IC (A
)
25˚C
)
CE
10
8
)
A
(
C
6
4
Collector current I
2
0
0108264
IB=4.0mA
T
3.5mA
3.0mA
Collector to emitter voltage VCE (V
hFE—I
C
5
10
FE
4
10
3
10
2
10
TC=100˚C
25˚C
–25˚C
Forward current transfer ratio h
10
0.01 0.1 1 100.03 0.3 3
Collector current IC (A
=25˚C
C
2.5mA
2.0mA
1.5mA
1.0mA
0.5mA
VCE=3V
IC—V
BE
10
8
)
A
(
C
6
TC=100˚C
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
25˚C
CB
–25˚C
VCE=3V
IE=0
f=1MHz
T
=25˚C
C
)
)
Area of safe operation (ASO) R
100
30
)
I
CP
10
A
(
C
3
I
C
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
DC
2SD1276
2SD1276A
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