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                                                                                                                                                                        2SB1183 / 2SB1239
Transistors


Power transistor (-40V, -2A)
2SB1183 / 2SB1239

!Features                                                                                                              !External dimensions (Units : mm)
1) Darlington connection for high DC current gain.                                                                         2SB1183
2) Built-in 4k resistor between base and emitter.




                                                                                                                                                                 0.75
                                                                                                                                                                         5.5           1.5
3) Complements the 2SD1759 / 2SD1861.




                                                                                                                                                         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(Gate)
              RBE    4k                                                                                                                                                             (2) Collector(Drain)
                                                                                                                           EIAJ : SC-63
                                                                                                                                                                                    (3) Emitter(Source)
   C : Collector
   B : Base                          E
   E : Emitter
                                                                                                                           2SB1239
                                                                                                                                                           6.8                                   2.5



!Absolute maximum ratings (Ta=25

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