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                                                                                      TIP31A

                                                                     Power transistors

General features
    New enhanced series
    High switching speed
    hFE improved linearity

Applications
                                                                                  3
                                                                              2
    Linear and switching industrial application                          1

                                                                    TO-220
Description
The TIP31A is a base island technology NPN
power transistor in TO-220 plastic package with
better performances than the industry standard
TIP31A that make this device suitable for audio,       Internal schematic diagram
power linear and switching applications. The
PNP type is TIP32A.




Order codes
   Part Number         Marking                     Package                   Packing

     TIP31A             TIP31A                     TO-220                     Tube




April 2006                                         Rev 1                                     1/10
                                                                                        www.st.com   10
Contents                                                                                                        TIP31A


Contents

1          Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2          Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
           2.1      Electrical characteristics (curve) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3          Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4          Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8




2/10
TIP31A                                                    Absolute maximim ratings


1        Absolute maximim ratings

         Table 1.     Absolute maximim ratings
          Symbol                             Parameter           Value       Unit

           VCBO     Collector-base voltage (IE = 0)               60          V

           VCEO     Collector-emitter voltage (IB = 0)            60          V
           VEBO     Emitter-base voltage (IC = 0)                  5          V

            IC      Collector current                              3          A
            ICM     Collector peak current                         5          A
            IB      Base current                                   1          A
                    Total dissipation at Tcase = 25

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