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                                                                            BUL381D
                                                                            BUL382D
                                               HIGH VOLTAGE FAST-SWITCHING
                                                    NPN POWER TRANSISTORS
s   SGS-THOMSON PREFERRED SALESTYPES
s   HIGH VOLTAGE CAPABILITY
s   LOW SPREAD OF DYNAMIC PARAMETERS
s   MINIMUM LOT-TO-LOT SPREAD FOR
    RELIABLE OPERATION
s   VERY HIGH SWITCHING SPEED
s   LARGE RBSOA
s   INTEGRATED ANTIPARALLEL
    COLLECTOR-EMITTER DIODE                                                         3
                                                                                2
                                                                            1
APPLICATIONS
s ELECTRONIC TRANSFORMERS FOR
  HALOGEN LAMPS                                                   TO-220
s ELECTRONIC BALLASTS FOR
  FLUORESCENT LIGHTING
s SWITCH MODE POWER SUPPLIES

DESCRIPTION
The BUL381D and BUL382D are manufactured               INTERNAL SCHEMATIC DIAGRAM
using high voltage Multi Epitaxial Planar
technology for high switching speeds and high
voltage capability.
The BUL series is designed for use in lighting
applications and low cost switch-mode power
supplies.




ABSOLUTE MAXIMUM RATINGS
    Symbol                        Parameter                      Value                  Uni t
     V CES    Collector-Emitter Voltage (V BE = 0)                800                    V
     V CEO    Collector-Emitter Voltage (I B = 0)                 400                    V
     V EBO    Emitter-Base Voltage (I C = 0)                       9                     V
      IC      Collector Current                                    5                     A
     I CM     Collector Peak Current (tp < 5 ms)                   8                     A
      IB      Base Current                                         2                     A
     I BM     Base Peak Current (t p < 5 ms)                       4                     A
                                           o
     P t ot   Total Dissipation at T c = 25 C                     70                     W
                                                                                         o
     T stg    St orage Temperature                             -65 to 150                    C
                                                                                         o
      Tj      Max. Operating Junction Temperature                 150                        C


July 1997                                                                                        1/6
BUL381D / BUL382D

THERMAL DATA
                                                                                                             o
  R t hj-ca se   Thermal Resistance Junction-Case                                Max          1.78               C/W
                                                                                                             o
  R t hj- amb    Thermal Resistance Junction-Ambient                             Max          62.5               C/W


ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified)
  Symb ol              Parameter                          Test Cond ition s            Min.   Typ .   Max.   Un it
      I CES      Collector Cut-off            V CE = 800 V                                            100        

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