Power Transistors
2SD1277, 2SD1277A
Silicon NPN triple diffusion planar type Darlington
For midium speed power switching
0.7±0.1
Complementary to 2SB951 and 2SB951A
Unit: mm
10.0±0.2
5.5±0.2
2.7±0.2
4.2±0.2
φ3.1±0.1
1.4±0.1
1.3±0.2
0.5
+0.2
–0.1
0.8±0.1
2.54±0.25
5.08±0.5
1
2
4.2±0.2
q
q
16.7±0.3
14.0±0.5
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
7
12
8
45
2
150
–55 to +150
Unit
V
s
Absolute Maximum Ratings
Parameter
Collector to
base voltage
Collector to
2SD1277
2SD1277A
2SD1277
Symbol
V
CBO
V
CEO
V
EBO
I
CP
I
C
P
C
T
j
T
stg
Solder Dip
4.0
7.5±0.2
s
Features
emitter voltage 2SD1277A
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:Base
2:Collector
3:Emitter
TO–220 Full Pack Package(a)
3
Internal Connection
C
˚C
˚C
E
s
Electrical Characteristics
Parameter
Collector cutoff
current
Emitter cutoff current
Collector to emitter
voltage
2SD1277
2SD1277A
2SD1277
2SD1277A
(T
C
=25˚C)
Symbol
I
CBO
I
EBO
V
CEO
h
FE1*
h
FE2
V
CE(sat)
V
BE(sat)
f
T
t
on
t
stg
t
f
Conditions
V
CB
= 60V, I
E
= 0
V
CB
= 80V, I
E
= 0
V
EB
= 7V, I
C
= 0
I
C
= 30mA, I
B
= 0
V
CE
= 3V, I
C
= 4A
V
CE
= 3V, I
C
= 8A
I
C
= 4A, I
B
= 8mA
I
C
= 4A, I
B
= 8mA
V
CE
= 10V, I
C
= 0.5A, f = 1MHz
I
C
= 4A, I
B1
= 8mA, I
B2
= –8mA,
V
CC
= 50V
20
0.5
4
1
60
80
2000
500
1.5
2
V
V
MHz
µs
µs
µs
10000
min
typ
max
100
100
2
Unit
µA
mA
V
Forward current transfer ratio
Collector to emitter saturation voltage
Base to emitter saturation voltage
Transition frequency
Turn-on time
Storage time
Fall time
*
h
FE1
Rank classification
Q
P
2000 to 5000 4000 to 10000
Rank
h
FE1
1
Power Transistors
P
C
— Ta
50
12
(1)
40
(1) T
C
=Ta
(2) With a 100
×
100
×
2mm
Al heat sink
(3) With a 50
×
50
×
2mm
Al heat sink
(4) Without heat sink
(P
C
=2W)
T
C
=25˚C
10
2SD1277, 2SD1277A
I
C
— V
CE
Collector to emitter saturation voltage V
CE(sat)
(V)
10
V
CE(sat)
— I
C
(1) I
C
/I
B
=250
(2) I
C
/I
B
=500
(3) I
C
/I
B
=1000
T
C
=25˚C
(3)
(2)
(1)
Collector power dissipation P
C
(W)
Collector current I
C
(A)
3
8
I
B
=4.0mA
3.5mA
3.0mA
2.5mA
2.0mA
1.5mA
1.0mA
0.5mA
2
30
1
6
0.3
20
4
0.1
10
(2)
(3)
(4)
0.03
0
0
20
40
60
80 100 120 140 160
0
0
1
2
3
4
5
0.01
0.1
0.3
1
3
10
30
Ambient temperature Ta (˚C)
Collector to emitter voltage V
CE
(V)
Collector current I
C
(A)
V
CE(sat)
— I
C
Collector to emitter saturation voltage V
CE(sat)
(V)
10
I
C
/I
B
=500
T
C
=100˚C
3
25˚C
–25˚C
V
CB(sat)
— I
C
100000
h
FE
— I
C
I
C
/I
B
=500
V
CE
=3V
Base to emitter saturation voltage V
BE(sat)
(V)
10
Forward current transfer ratio h
FE
30000
T
C
=100˚C
25˚C
–25˚C
3
T
C
=–25˚C
1
100˚C
25˚C
10000
1
3000
1000
300
100
30
10
0.1
0.3
0.3
0.1
0.1
0.03
0.03
0.01
0.1
0.3
1
3
10
30
0.01
0.1
0.3
1
3
10
30
0.3
1
3
10
30
100
Collector current I
C
(A)
Collector current I
C
(A)
Collector current I
C
(A)
Area of safe operation (ASO)
100
30
10
3
Non repetitive pulse
T
C
=25˚C
I
CP
10
I
C
3
1
0.3
0.1
0.03
0.01
1
3
10
30
DC
1ms
t=10ms
R
th(t)
— t
(1) Without heat sink
(2) With a 100
×
100
×
2mm Al heat sink
Thermal resistance R
th
(t) (˚C/W)
Collector current I
C
(A)
10
2
(1)
10
(2)
1
2SD1277A
2SD1277
10
–1
100
300
1000
10
–2
10
–4
10
–3
10
–2
10
–1
1
10
10
2
10
3
10
4
Collector to emitter voltage V
CE
(V)
Time t (s)
2
京公网安备 11010802033920号
EEWORLD
