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2stc4793


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                                                                                                                       2STC4793

                                                                                    NPN power bipolar transistor
                                                                                                                               Preliminary data


Features
    High breakdown voltage VCEO = 230 V
    Complementary to 2STA1837
    High transition frequency, typical fT = 100 MHz

Applications
    Audio power amplifier
                                                                                                                               3
    Drive stage amplifier                                                                                                  2
                                                                                                                       1

                                                                                                          TO-220FP
Description
This device is a NPN transistor manufactured
using new "PB-HDC" (power bipolar high density
current) technology. The resulting transistor                                Figure 1.         Internal schematic diagram
shows good gain linearity behavior.




Table 1.         Device summary
            Order code                               Marking                             Package                           Packaging

             2STC4793                               2STC4793                            TO-220FP                               Tube



March 2010                                                   Doc ID 15401 Rev 2                                                             1/7
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to                  www.st.com   7
change without notice.
Electrical ratings                                                             2STC4793


1           Electrical ratings

            Table 2.    Absolute maximum ratings
               Symbol                  Parameter                   Value        Unit

                VCBO    Collector-base voltage (IE = 0)             230          V
                VCEO    Collector-emitter voltage (IB = 0)          230          V
                VEBO    Emitter-base voltage (IC = 0)                5           V
                 IC     Collector current                            1           A
                 ICM    Collector peak current                       2           A
                PTOT    Total dissipation at TC = 25 



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