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BU931/BU931P BU931PFI HIGH VOLTAGE IGNITION COIL DRIVER NPN POWER DARLINGTON s VERY RUGGED BIPOLAR TECHNOLOGY s HIGH OPERATING JUNCTION TEMPERATURE s WIDE RANGE OF PACKAGES TO-3 APPLICATIONS s HIGH RUGGEDNESS ELECTRONIC 1 IGNITIONS 2 3 3 2 2 TO-218 1 ISOWATT218 1 INTERNAL SCHEMATIC DIAGRAM for TO-3 Emitter: pin 2 Base: pin1 Collector: tab ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Uni t BU931 BU931P BU931PFI V CES Collector-Emitter Voltage (V BE = 0) 500 V V CEO Collector-Emitter Voltage (I B = 0) 400 V V EBO Emitter-Base Voltage (I C = 0) 5 V IC Collector Current 15 A I CM Collector Peak Current 30 A IB Base Current 1 A I BM Base Peak Current 5 A P t ot Total Dissipation at T c = 25 oC 175 135 60 W o T stg Storage Temperature -65 to 200 -65 to 175 -65 to 175 C o Tj Max. O perating Junction Temperature 200 175 175 C September 1997