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                                                                            DTC144VUA / DTC144VKA
Transistors

100mA / 50V Digital transistor
(with built-in resistors)
DTC144VUA / DTC144VKA
 Applications                                                     External dimensions (Unit : mm)
 Inverter, Interface, Driver
                                                                  DTC144VUA        2.0                            0.9

                                                                                          0.3              0.2     0.7

                                                                                 (3)
  Features




                                                                                                   1.25

                                                                                                           2.1
1) Built-in bias resistors enable the configuration of
                                                                                   (2)       (1)
   an inverter circuit without connecting external




                                                                                                                                0.1Min.
                                                                                 0.65 0.65
   input resistors.                                               ROHM : UMT3      1.3                           0.15                        (1) GND
                                                                                                                                             (2) IN
2) The bias resistors consist of thin-film resistors              EIAJ : SC-70                                                               (3) OUT
                                                                                         Abbreviated symbol : 166         Each lead has same dimensions
   with complete isolation to allow negative biasing of
   the input, and parasitic effects are almost completely         DTC144VKA            2.9                         1.1
   eliminated.                                                                               0.4                    0.8
3) Only the on / off conditions need to be set
                                                                                 (3)
   for operation, making the device design easy.



                                                                                                          2.8
                                                                                                          1.6
4) Higher mounting densities can be achieved.
                                                                                 (2)               (1)




                                                                                                                                   0.3Min.
                                                                                 0.95 0.95
 Structure                                                                                                        0.15                       (1) GND
                                                                                       1.9                                                   (2) IN
 NPN epitaxial planar silicon transistor                          ROHM : SMT3
                                                                                                                                             (3) OUT
                                                                  EIAJ : SC-59
  (Resistor built-in type)                                                               Abbreviated symbol : E66         Each lead has same dimensions




 Packaging specifications
                 Package                        UMT3     SMT3
                 Packaging type                 Taping   Taping
                 Code                            T106     T146
Part No.         Basic ordering unit (pieces)    3000     3000
DTC144VUA                                                  -
DTC144VKA                                         -




 Equivalent circuit

            R1                           OUT
  IN
             R2

                                        GND

       IN                                OUT
                          GND

R1=47k, R2=10k




                                                                                                                              Rev.B                       1/2
                                                                                                                                                                  DTC144VUA / DTC144VKA
Transistors

                           Absolute maximum ratings (Ta=25

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