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buh315


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                                                                                BUH315
                                               HIGH VOLTAGE FAST-SWITCHING
                                                     NPN POWER TRANSISTOR
s   SGS-THOMSON PREFERRED SALESTYPE
s   HIGH VOLTAGE CAPABILITY
s   U.L. RECOGNISED ISOWATT218 PACKAGE
    (U.L. FILE # E81734 (N)).


APPLICATIONS:
s HORIZONTAL DEFLECTION FOR COLOUR
  TV                                                                                3
                                                                                2
s SWITCH MODE POWER SUPPLIES                                                1


                                                               ISOWATT218
DESCRIPTION
The BUH315 is manufactured using Multiepitaxial
Mesa technology for cost-effective high
performance and uses a Hollow Emitter structure
to enhance switching speeds.
The BUH series is designed for use in horizontal       INTERNAL SCHEMATIC DIAGRAM
deflection circuits in televisions and monitors.




ABSOLUTE MAXIMUM RATINGS
    Symbol                        Parameter                      Value                  Uni t
     V CBO    Collector-Base Voltage (IE = 0)                    1500                    V
     V CEO    Collector-Emitter Voltage (I B = 0)                 700                    V
     V EBO    Emitter-Base Voltage (I C = 0)                      10                     V
      IC      Collector Current                                    6                     A
     I CM     Collector Peak Current (tp < 5 ms)                  12                     A
      IB      Base Current                                         3                     A
     I BM     Base Peak Current (t p < 5 ms)                       5                     A
                                           o
     P t ot   Total Dissipation at T c = 25 C                     44                     W
                                                                                         o
     T stg    St orage Temperature                             -65 to 150                    C
                                                                                         o
      Tj      Max. Operating Junction Temperature                 150                        C

June 1997                                                                                        1/7
BUH315

THERMAL DATA
                                                                                                                o
  R t hj-ca se   Thermal Resistance Junction-case                                   Max          2.8                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 = 1500 V                                              200        



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