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                                                                                                     2SC4081
General Purpose Transistor                                                  COLLECTOR

NPN Silicon                                                                     3
                                                                                                                        3


P b Lead(Pb)-Free                                                      1                                  1
                                                                     BASE                                      2


                                                                                2
  FEATURES                                                                   EMITTER                 SOT-323(SC-70)
        Excellent hFE linearity
       Complements the 2A1576A


  MAXIMUM RATINGS (TA=25 unless otherwise noted)

              Parameter                          Symbol                              Value                     Units
      Collector-Base Voltage                       VCBO                               60                            V
      Collector-Emitter Voltage                    VCEO                               50                            V
      Emitter-Base Voltage                         VEBO                                  7                          V
      Collector Current -Continuous                IC                                 150                          mA
      Collector Power Dissipation                  PC                                 200                          mW
      Junction Temperature                         TJ                                 150                           
      Storage Temperature                          Tstg                         -55 to +150                         

  ELECTRICAL CHARACTERISTICS (Tamb=25 unless otherwise specified)

              Parameter                          Symbol       Test      conditions            MIN   TYP       MAX           UNIT

   Collector-base breakdown voltage              V(BR)CBO   IC=50A,IE=0                       60                             V

   Collector-emitter breakdown voltage           V(BR)CEO   IC=1mA,IB=0                       50                             V

   Emitter-base breakdown voltage                V(BR)EBO   IE=50A,IC=0                        7                             V

   Collector cut-off current                       ICBO     VCB=60V,IE=0                                      0.1           A

   Emitter cut-off current                         IEBO     VEB=7V,IC=0                                       0.1           A

   DC current gain                                hFE(1)    VCE=6V,IC=1mA                     120             560

   Collector-emitter saturation voltage          VCE(sat)   IC=50mA,IB=5mA                                    0.4            V

   Transition frequency                             fT      VCE=12V,IC=2mA,f=30MHz                  180                     MHz

   Collector output capacitance                    Cob      VCB12V,IE=0,f=1MHz                                3.5           pF



  CLASSIFICATION OF              hFE(1)
   Rank                                     Q                                        R                              S
   Range                                  120-270                             180-390                         270-560
   Marking                                  BQ                                   BR                                BS



       WEIT RON                                                       1/3                                                    10-Jul-08
htt p://www. weit r o n.com.tw
            2SC4081                                 WEITRON




          WEIT R ON                           2/3      10-Jul-08
h tt p :// w w w . w eit r o n . c o m . tw
         2SC4081                        WEITRON




       WEIT RON                   3/3      10-Jul-08
htt p://www. weit r o n.c om.tw

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