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bd433_bd435_bd437_bd434_bd436_bd438


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                                                                                    BD433/5/7
                                                                                    BD434/6/8

           COMPLEMENTARY SILICON POWER TRANSISTORS
s   SGS-THOMSON PREFERRED SALESTYPES
s   COMPLEMENTARY PNP - NPN DEVICES

DESCRIPTION
The BD433, BD435, and BD437 are silicon
epitaxial-base NPN power transistors in Jedec
SOT-32 plastic package, intented for use in
medium power linear and switching applications.
The BD433 is especially suitable for use in                                                 1
car-radio output stages.                                                                2
                                                                                    3
The complementary PNP types are BD434,
BD436, and BD438 respectively.                                            SOT-32




                                                               INTERNAL SCHEMATIC DIAGRAM




ABSOLUTE MAXIMUM RATINGS
    Symbol                       Parameter                               Value                   Unit
                                                         NPN   BD433    BD435           BD437
                                                         PNP   BD434    BD436           BD438
     V CBO   Collector-Base Voltage (I E = 0)                    22       32                45    V
     V CES   Collector-Emitter Voltage (V BE = 0)                22       32                45    V
     V CEO   Collector-Emitter Voltage (I B = 0)                 22       32                45    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.


June 1997                                                                                                1/4
BD433/434/435/436/437/438

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 BD433/434        V CB = 22 V                       100        



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