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Transistors                                                                                                                           DTA144EUB


-100mA / -50V Digital transistors
(with built-in resistors)
DTA144EUB

  Applications                                                                Dimensions (Unit : mm)
Inverter, Interface, Driver
                                                                                UMT3F


                                                                                                                          2.0
 Features                                                                                                         0.32                0.9




                                                                                                     1.25 0.425




                                                                                                                                               0.53
1) Built-in bias resistors enable the configuration of                                                              (3)
   an inverter circuit without connecting external




                                                                                                     2.1
   input resistors (see equivalent circuit).
2) The bias resistors consist of thin-film resistors



                                                                                                          0.425




                                                                                                                                               0.53
                                                                                                                    (1)      (2)
   with complete isolation to allow negative biasing                                                               0.65 0.65     0.13
                                                                                                                      1.3
   of the input. They also have the advantage of
                                                                                                                                      Each lead has same dimensions
   almost completely eliminating parasitic effects.
                                                                               (1) IN
3) Only the on/off conditions need to be set for                               (2) GND
                                                                                                                  Abbreviated symbol : 16
   operation, making the device design easy.                                   (3) OUT




  Structure                                                                        Equivalent circuit
PNP silicon epitaxial planar transistor type
(Resistor built-in)
                                                                                                     R1                         OUT
                                                                                          IN

                                                                                                         R2
 Packaging specifications
                                                                                                                                GND (+)
                 Package                               UMT3F
                 Packaging type                        Taping
                                                                                                IN                              OUT
                 Code                                      TL
                                                                                                                     GND (+)
 Part No.        Basic ordering unit (pieces)           3000
 DTA144EUB
                                                                                    R1=R2=47k


  Absolute maximum ratings (Ta=25 C)
            Parameter                           Symbol            Limits                 Unit
 Supply voltage                                  VCC               -50                    V
 Input voltage                                   VIN            -40 to +10                V
 Collector current                              IC(max.) 1         -100                  mA
 Output current                                   IO               -30                   mA
                                                       2
 Power dissipation                                PD               200                   mW
 Junction temperature                             Tj               150                   

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