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2SB778                                      PNP         PLANAR SILICON TRANSISTOR

AUDIO POWER AMPLIFIER
DC TO DC CONVERTER
                                                                                            SC-65

!     High Current Capability

!     High Power Dissipation




                              
ABSOLUTE MAXIMUM RATING (TA=25)


               Characteristic            Symbol   Rating      Unit

 Collector-Base Voltage                  VCBO       -120       V
 Collector-Emitter Voltage               VCEO       -120       V
 Emitter-Base voltage                    VEBO         -6       V
 Collector Current (DC)                   IC         -10       A
 Collector Dissipation                    PC         80        W
 Junction Temperature                     Tj        150        
 Storage Temperature                      Tstg    -55~150      




                                 
ELECTRICAL CHARACTERISTICS (TA=25)


                    Characteristic                Symbol        Test Condition     Min    Typ   Max    Unit

 Collector Base Breakdown Voltage                 BVCBO       IC=-5 mA IE=0       -120                  V
 Collector Emitter Breakdown Voltage              BVCEO       IC=-10 mA RBE=      -120                  V
 Emitter Base Breakdown Voltage                   BVEBO       IE=-5mA IC=0         -6                   V
 Collector Cutoff Current                          ICBO       VCB=-60V IE=0                     -0.1   mA
 Emitter Cutoff Current                            IEBO       VEB=-4V IC=0                      -0.1   mA
*DC Current Gain                                   hFE1       VCE=-5V IC=-1A       55     120   160
 DC Current Gain                                   hFE2       VCE=-5V IC=-2A
 Collector- Emitter Saturation Voltage            VCE(sat)    IC=-3A IB=-0.3A                   -1.5    V




Wing Shing Computer Components Co., (H.K.)Ltd.    Tel:(852)2341 9276 Fax:(852)2797 8153
Homepage: http://www.wingshing.com                E-mail: [email protected]

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