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2SD1759 / 2SD1861
Transistors


Power transistor (40V, 2A)
2SD1759 / 2SD1861

!Features !External dimensions (Units : mm)
1) Darlington connection for high DC current gain. 2SD1759
2) Built-in 4k resistor between base and emitter.




0.75
5.5 1.5
3) Complements the 2SB1183 / 2SB1239.




0.9
(3) (2) (1)

2.3




6.5
5.1
0.9




0.65
2.3
C0.5
!Equivalent circuit
0.8Min.




0.5
1.0




2.3
1.5




0.5
C
2.5
9.5

B
ROHM : CPT3 (1) Base
EIAJ : SC-63 (2) Collector
RBE 4k
(3) Emitter

C : Collector
B : Base
E : Emitter E 2SD1861
6.8 2.5




4.4
!Absolute maximum ratings (Ta=25