2SB1183 / 2SB1239
Transistors
Power transistor (−40V, −2A)
2SB1183 / 2SB1239
!Features 1) Darlington connection for high DC current gain.
2) Built-in 4kΩ resistor between base and emitter.
3) Complements the 2SD1759 / 2SD1861.
!External dimensions (Units : mm)
2SB1183
0.
75
5.
5 1.
5
(3) (2) (1)
2.
3
0.
9
0.
9
0.
65
2.
3
!Equivalent circuit
1.
0 0.
5
C
0.
5 1.
0 0.
9 14.
5 4.
4
1.
5 2.
5 9.
5
B RBE 4kΩ
ROHM : CPT3 EIAJ : SC-63
E
(1) Base(Gate) (2) Collector(Drain) (3) Emitter(Source)
C : Collector B : Base E : Emitter
2SB1239
6.
8 2.
5
!Absolute maximum ratings (Ta=25°C)
Parameter Collector-base
voltage Collector-emitter
voltage Emitter-base
voltage Collector current Collector power dissipation ...