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                                                                            STN817A
                                                                            STF817A

                                          PNP MEDIUM POWER TRANSISTOR

General features
   SURFACE-MOUNTING DEVICES IN
   MEDIUM POWER SOT-223 AND SOT-89
   PACKAGES
                                                      2
   AVAILABLE IN TAPE & REEL PACKING
                                                                        3
                                                                    2
Description                                                    1
The STF817A - STN817A are PNP transistor                  SOT-223            SOT-89
manufactured using Planar Technology resulting
in rugged high performance devices.

Applications
   VOLTAGE REGULATION                            Internal schematic diagram
   RELAY DRIVER
   GENERIC SWITCH




Order codes


       Sales Type               Marking              Package                 Packaging

        STF817A                  817A                SOT-89                 TAPE & REEL
       STN817A                   N817A               SOT-223                TAPE & REEL




                                                                                          Rev 1
November 2005                                                                               1/9
                                                                                      www.st.com   9
1 Electrical ratings                                                         STF817A - STN817A


1            Electrical ratings

Table 1.       Absolute maximum ratings
    Symbol                          Parameter                     Value                  Unit

                                                      SOT-223                SOT-89

      VCBO      Collector-Base Voltage (IE=0)                      -80                    V
      VCEO      Collector-Emitter Voltage (IE=0)                   -80                    V
      VEBO      Emitter-Base Voltage (IC=0)                         -5                    V

       IC       Collector Current                                  -1.5                   A
      ICM       Collector Peaak Current (tp<5ms)                    -2                    A
       IB       Base Current                                       -0.3                   A

      IBM       Base Peak Current (tp<5ms)                         -0.6                   A
      PTOT      Total Dissipation at Tamb = 25

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