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                                                                           BD439/BD440
                                                                           BD441/BD442

       COMPLEMENTARY SILICON POWER TRANSISTORS

s   SGS-THOMSON PREFERRED SALESTYPES
s   COMPLEMENTARY PNP - NPN DEVICES

DESCRIPTION
The BD439 and BD441 are silicon epitaxial-base
NPN power transistors in Jedec SOT-32 plastic
package, intented for use in power linear and
switching applications.
The complementary PNP types are BD440, and                                                     1
                                                                                           2
BD442 respectively.                                                                    3


                                                                            SOT-32




                                                               INTERNAL SCHEMATIC DIAGRAM




ABSOLUTE MAXIMUM RATINGS
    Symbol                       Parameter                                 Value                   Unit
                                                         NPN     BD439                BD441
                                                         PNP     BD440                BD442
     V CBO   Collector-Base Voltage (I E = 0)                      60                  80           V
     V CES   Collector-Emitter Voltage (V BE = 0)                  60                  80           V
     V CEO   Collector-Emitter Voltage (I B = 0)                   60                  80           V
     V EBO   Emitter-Base Voltage (I C = 0)                                  5                      V
      IC     Collector Current                                               4                      A
     I CM    Collector Peak Current (t  10 ms)                               7                      A
      IB     Base Current                                                    1                      A
     P tot   Total Dissipation at T c  25 o C                               36                      W
                                                                                                   o
     T stg   Storage Temperature                                         -65 to 150                    C
                                                                                                   o
      Tj     Max. Operating Junction Temperature                            150                        C
For PNP types voltage and current values are negative.

May 1997                                                                                                   1/4
BD439/BD440/BD441/BD442

THERMAL DATA
                                                                                                            o
  R thj-case   Thermal Resistance Junction-case                                  Max          3.5               C/W
                                                                                                            o
  R thj-amb    Thermal Resistance Junction-ambient                               Max          100               C/W


ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified)
  Symbol               Parameter                           Test Conditions             Min.   Typ.   Max.   Unit
      I CBO    Collector Cut-off              for BD439/440        V CB = 60 V                       100        



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