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buw48-49


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                                                                                          BUW48
                                                                                          BUW49

                          HIGH POWER NPN SILICON TRANSISTORS
s   SGS-THOMSON PREFERRED SALESTYPES
s   NPN TRANSISTOR
s   HIGH CURRENT CAPABILITY
s   FAST SWITCHING SPEED
s   VERY LOW SATURATION VOLTAGE AND
    HIGH GAIN

APPLICATION
s SWITCHING REGULATORS                                                                    3
                                                                                      2
s MOTOR CONTROL
                                                                                 1
s HIGH FREQUENCY AND EFFICENCY

  CONVERTERS
                                                                        TO-218
DESCRIPTION
The BUW48 and BUW49 are Multiepitaxial planar
NPN transistor in TO-218 plastic package.
It's intented for use in high frequency and
efficiency converters such us motor controllers
and industrial equipment.                                 INTERNAL SCHEMATIC DIAGRAM




ABSOLUTE MAXIMUM RATINGS
    Symbol                       Parameter                            Value                   Unit
                                                            BUW48                BUW49        Unit
     V CEV   Collector-emitter Voltage (V BE = -1.5V)         120                 160          V
     V CEO   Collector-emitter Voltage (I B = 0)              60                     80        V
     V EBO   Emitter-Base Voltage (I C = 0)                             7                      V
      IC     Collector Current                                         30                      A
     I CM    Collector Peak Current                           45                     40        A
      IB     Base Current                                      8                     6         A
     I BM    Base Peak Current                                12                     10        A
     P tot   Total Power Dissipation at T case < 25 o C                150                     W
                                                                                              o
     T stg   Storage Temperature                                    -65 to 175                    C
                                                                                              o
      Tj     Max Operating Junction Temperature                        175                        C


July 1997                                                                                             1/4
BUW48 / BUW49

THERMAL DATA
                                                                                                                      o
  R thj-case   Thermal Resistance Junction-case                                            Max           1                C/W


ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified)
  Symbol               Parameter                             Test Conditions                     Min.   Typ.   Max.   Unit
      I CEX    Collector Cut-off               V CE = V CEX VBE = -1.5V                                         1     mA
               Current                         V CE = V CEX V BE = -1.5V T c =125 o C                           3     mA
      I EBO    Emitter Cut-off                 V EB = 5 V                                                       1     mA
               Current (I C = 0)
 V CEO(sus)  Collector-Emitter                 I C = 0.2A       L = 25 mH for BUW48              60                       V
             Sustaining Voltage                                           for BUW49              80                       V
      V EB0    Emitter-base                    I E = 50 mA                                        7                       V
               Voltage (I c = 0)
  V CE(sat)    Collector-Emitter              IC   =   20A     IB   =   2A       for   BUW48                   0.6        V
               Saturation Voltage             IC   =   40A     IB   =   4A       for   BUW49                   1.4        V
                                              IC   =   15A     IB   =   1.5A     for   BUW48                   0.5        V
                                              IC   =   30A     IB   =   3A       for   BUW49                   1.2        V
  V BE(sat)    Base-Emitter                    I C = 40A       I B = 4A          for BUW48                     2.1        V
               Saturation Voltage              I C = 30A       I B = 3A          for BUW49                      2         V
       fT      Transition Frequency           I C = 1A         VCE = 15V          f = 15 MHz             8            MHz

RESISTIVE LOAD
  Symbol               Parameter                             Test Conditions                     Min.   Typ.   Max.   Unit
       t on    Turn-on Time                    for BUW48                                                 1.2    1.5       



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