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ema3_uma3n_fma3a


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                                                                                                 EMA3 / UMA3N / FMA3A
Transistors

Emitter common
(dual digital transistors)
EMA3 / UMA3N / FMA3A

  Features                                                                           External dimensions (Unit : mm)
1) Two DTA143Ts in a EMT or UMT or SMT package.
                                                                                      EMA3
2) Mounting cost and area can be cut in half.




                                                                                                                                                0.5 0.5
                                                                                                                      (4)               (3)




                                                                                                               0.22




                                                                                                                                                 1.0
                                                                                                                                                 1.6
                                                                                                                                        (2)
                                                                                                                      (5)               (1)
                                                                                                                              1.2
                                                                                                                              1.6
  Structure




                                                                                                               0.13




                                                                                                                                                           0.5
Epitaxial planar type PNP silicon transistor (Built-in
                                                                                                                                         Each lead has same dimensions
resistor type.)
                                                                                       ROHM : EMT5
                                                                                                Abbreviated symbol : A3
The following characteristics apply to both DTr1 and                                  UMA3N
DTr2.



                                                                                                                                         (3)
                                                                                                                      (4)




                                                                                                                                                        0.65 0.65



                                                                                                                                                                          2.0
                                                                                                                                                                    1.3
                                                                                                       0.2




                                                                                                                                               (2)
                                                                                                                       (6)



                                                                                                                                         (1)
                                                                                                                              1.25

 Equivalent circuit                                                                                                             2.1
                                                                                                        0.15




                                                                                                                                                                    0.9
                                                                                                                                                        0.7
   EMA3 / UMA3N                           FMA3A
                                                                                                                             0to0.1




                                                                                                       0.1Min.

     R1=4.7k     (3)   (2)     (1)         R1=4.7k        (3)   (4)         (5)                                                         Each lead has same dimensions
           R1                  R1                    R1                     R1         ROHM : UMT5
                                                                                       EIAJ : SC-88A
        DTr2                       DTr1        DTr2                           DTr1
                                                                                                  Abbreviated symbol : A3
               (4)           (5)                      (2)             (1)
                                                                                      FMA3A
                                                                                                                                                     0.95 0.95
                                                                                                                                          (3)
                                                                                                                      (2)
                                                                                                      0.3




                                                                                                                                                                    2.9
                                                                                                                                                        1.9
                                                                                                                                          (4)
                                                                                                                      (1)




                                                                                                                                          (5)




                                                                                                                                1.6
                                                                                                                                2.8
                                                                                                      0.15




                                                                                                                                                                    1.1
                                                                                                                                                            0.8
                                                                                                                               0to0.1




                                                                                                   0.3to0.6
                                                                                                                                        Each lead has same dimensions
                                                                                      ROHM : SMT5
                                                                                      EIAJ : SC-74A

                                                                                                  Abbreviated symbol : A3




                                                                                                                                                                                Rev.A   1/2
                                                                                                                                                                                                        EMA3 / UMA3N / FMA3A
Transistors

                   Absolute maximum ratings (Ta=25



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