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                              Low voltage fast-switching PNP power transistors

    Very low collector-emitter saturation voltage
    High current gain characteristic                                                       4
    Fast switching speed
                                                                                     3                           3
                                                                                 2                           2
Applications                                                                 1                           1

    Motherboard & hard disk drive                                   SOT-89                     SOT-223

    Mobile equipment
    DC-DC converter

                                                        Figure 1.    Internal schematic diagram
The devices are PNP transistors manufactured
using new "PB-HDC" (power bipolar high density
current) technology. The resulting transistor
shows exceptional high gain performances
coupled with very low saturation voltage.
The 2STF2340 complementary PNP is the

Table 1.       Device summary
   Order codes          Marking                     Packages                              Packaging

    2STF2340               2340                      SOT-89                              Tape and reel
    2STN2340            N2340                       SOT-223                              Tape and reel

October 2009                                Doc ID 14222 Rev 2                                                       1/10
Electrical ratings                                                              2STF2340, 2STN2340

1           Electrical ratings

            Table 2.       Absolute maximum rating

             Symbol                             Parameter               2STF2340 2STN2340             Unit

                                                                           SOT-89          SOT-223

               VCES      Collector-emitter voltage (VBE = 0)                         -40               V
               VCEO      Collector-emitter voltage (IB = 0)                          -40               V
               VEBO      Emitter-base voltage (IC = 0)                               -5                V
                IC       Collector current                                           -3                A
               ICM       Collector peak current (tP < 5 ms)                          -6                A
               PTOT      Total dissipation at Tamb = 25 

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