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                                                                                              BD243C
                                                                                              BD244C

                                                        Complementary power transistors

Features
                                                              .




   Complementary NPN-PNP devices

Applications
   Power linear and switching
                                                                                              3
                                                                                          2
Description                                                                           1

                                                                             TO-220
The device is manufactured in Planar technology
with "Base Island" layout. The resulting transistor
shows exceptional high gain performance
                                                          Figure 1.   Internal schematic diagram
coupled with very low saturation voltage. The
PNP type is BD244C.




Table 1.      Device summary
        Order code                   Marking                      Package                     Packaging

            BD243C                   BD243C
                                                                  TO-220                          Tube
            BD244C                   BD244C




July 2007                                             Rev 5                                                   1/10
                                                                                                         www.st.com   10
Absolute maximum ratings                                                                BD243C BD244C


1         Absolute maximum ratings

          Table 2.       Absolute maximum ratings

           Symbol                         Parameter                         Value                   Unit
                                                                  BD243C (NPN)       BD244C (PNP)

             VCBO     Collector-base voltage (IE = 0)                        100                     V
             VCEO     Collector-emitter voltage (IB = 0)                     100                     V
             VEBO     Emitte-base voltage (IC = 0)                               5                   V
              IC      Collector current                                          6                   A
              ICM     Collector peak current (tP < 5ms)                      10                      A
              IB      Base current                                               2                   A
             PTOT     Total dissipation at Tc = 25

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