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bu911


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                                                                                        BU911

                MEDIUM VOLTAGE NPN IGNITION DARLINGTON
s    SGS-THOMSON PREFERRED SALESTYPE
s    NPN DARLINGTON
s    LOW BASE-DRIVE REQUIREMENTS
s    INTEGRATED ANTIPARALLEL
     COLLECTOR-EMITTER DIODE

APPLICATIONS:
s SOLENOID / RELAY DRIVERS
s MOTOR CONTROL                                                                         3
s ELECTRONIC AUTOMOTIVE IGNITION
                                                                                    2
                                                                                1

DESCRIPTION
The BU911 is an NPN transistor in monolithic                          TO-220
Darlington configuration Jedec TO-220 plastic
package, designed for applications such as
electronic ignition, DC and AC motor controls,
solenoid drivers, etc.

                                                      INTERNAL SCHEMATIC DIAGRAM




                                                     R 1 = 1.7 k          R 2 = 50 




ABSOLUTE MAXIMUM RATINGS
    Symbol                       Parameter                           Value                  Unit
     V CES    Collector-Emitter Voltage (V BE = 0)                    450                     V
     V CEO    Collector-Emitter Voltage (I B = 0)                     400                     V
     V EBO    Emitter-Base Voltage (I C = 0)                            5                     V
        IC    Collector Current                                         6                     A
      I CM    Collector Peak Current                                   10                     A
        IB    Base Current                                              1                     A
      P tot   Total Dissipation at T c  25 o C                         60                    W
                                                                                             o
      T stg   Storage Temperature                                  -65 to 150                  C
                                                                                             o
        Tj    Max. Operating Junction Temperature                     150                      C




June 1997                                                                                      1/4
BU911

THERMAL DATA
                                                                                                                 o
  R thj-case   Thermal Resistance Junction-case                                     Max            2.08              C/W


ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified)
  Symbol                 Parameter                               Test Conditions            Min.   Typ.   Max.   Unit
      I CES    Collector Cut-off Current              V CE =450 V                                          1         mA
                                                                                      o
               (V BE = 0)                             V CE =450 V          T case = 125 C                  5         mA
      I CEO    Collector Cut-off Current                                                                   1         mA
                                                      V CE = 400 V
               (I B = 0)
      I EBO    Emitter Cut-off                                                                             5         mA
                                                      V EB = 5 V
               Current (I C = 0)
 V CEO(sus)  Collector-emitter                                                              400                      V
                                          I = 100 mA
             Sustaining Voltage (I B = 0) C
  V CE(sat)    Collector-emitter                      I C = 2.5 A           IB = 50 mA                    1.8        V
               Saturation Voltage                     IC = 4 A              I B = 200 mA                  1.8        V
  V BE(sat)    Base-emitter Saturation                I C = 2.5 A           I B = 50 mA                   2.2        V
               Voltage                                IC = 4 A              I B = 200 mA                  2.5        V
      VF       Diode Forward Voltage                  IF = 4 A                                            2.5        V
 Pulsed: Pulse duration = 300 



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