Power Transistor (−80V, −1A)
2SB1260 / 2SB1181
Features
Dimensions (Unit : mm)
1) Hight breakdown voltage and high current.
BVCEO= −80V, IC = −1A
2) Good hFE linearty.
3) Low VCE(sat).
4) Complements the 2SD1898 / 2SD1733.
2SB1260
2SB1181
+
0.2
2.3
6.5 0.2
0.2
C0.5
+
5.1
+0.2
4.5
0.5 0.1
1.5
1.6 0.1
0.65 0.1
0.75
(1) (2) (3)
0.9
+0.1
0.4
0.55 0.1
1.0 0.2
0.5 0.1
3.0 0.2
2.3 0.2 2.3 0.2
0.4 0.1
1.5 0.1
0.4 0.1
1.5 0.1
Structure
Epitaxial planar type
PNP silicon transistor
(1) (2) (3)
(1) Base
(2) Collector
(3) Emitter
(1) Base
(2) Collector
(3) Emitter
ROHM : CPT3
EIAJ : SC-63
ROHM : MPT3
EIAJ : SC-62
Absolute maximum ratings (Ta=25°C)
Parameter
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Symbol
Limits
Unit
VCBO
VCEO
VEBO
−80
−80
−5
−1
−2
0.5
2
V
V
V
I
C
A (DC)
Collector current
∗1
∗2
I
CP
A (Pulse)
2SB1260
W
Collector power
dissipation
PC
2SB1181
2SB1181
1
10
150
W (Tc=25°C
)
Junction temperature
Storage temperature
Tj
°C
°C
Tstg
−55 to +150
1 2SB1260 : Pw=20ms duty=1/2
2 2SB1260 : When mounted on a 40
∗
×40×0.7 mm ceramic board.
∗
Electrical characteristics (Ta=25°C)
Parameter
Symbol Min.
Typ.
−
Max.
Unit
Conditions
BVCBO
BVCEO
BVEBO
−80
−80
−5
−
−
−
V
V
V
I
I
I
C
= −50
= −1mA
= −50
μ
A
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cutoff current
−
C
−
−
E
μ
A
I
CBO
EBO
CE(sat)
FE
−
−1
−1
−0.4
390
−
μA
V
CB= −60V
EB= −4V
I
−
−
μA
V
Emitter cutoff current
V
−
−
V
I
C/I
B
= −500mA/ −50mA
= −0.1A
=50mA, f=100MHz
Collector-emitter saturation voltage
DC current transfer ratio
h
120
−
−
−
MHz
pF
V
CE= −3V, I
C
Transition frequency 2SB1181
f
T
100
20
25
V
CE= −10V, I
CB= −10V
E
V
I
2SB1260
−
−
Output capacitance
Cob
E=0A
2SB1181
−
−
pF
f=1MHz
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2012.01 - Rev.G
1/2
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