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Part Manufacturer: ST Microelectronics

Part Description: HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR

Part Details:

® BULB128D-1 HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR Ordering Code Marking Shipment BULB128D-1 BULB128D Tube s STMicroelectronics PREFERREDSALESTYPE s NPN TRANSISTOR s HIGH VOLTAGE CAPABILITY s LOW SPREAD OF DYNAMIC PARAMETERS s MINIMUM LOT-TO-LOT SPREAD FOR 1 2 3 RELIABLE OPERATION s VERY HIGH SWITCHING SPEED s INTEGRATED ANTIPARALLEL I2PAK COLLECTOR-EMITTER DIODE (TO-262) APPLICATIONS: s ELECTRONIC BALLASTS FORFLUORESCENT LIGHTING s FLYBACK AND FORWARD SINGLETRANSISTOR LOW POWER CONVERTERS INTERNAL SCHEMATIC DIAGRAM DESCRIPTION The device is manufactured using high voltageMulti Epitaxial Planar technology for highswitching speeds and medium voltage capability.It uses a Cellular Emitter structure with planaredge termination to enhance switching speedswhile maintaining the wide RBSOA.The device is designed for use in lightingapplications and low cost switch-mode powersupplies. ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VCES Collector-Emitter Voltage (VBE = 0) 700 V VCEO Collector-Emitter Voltage (IB = 0) 400 V VEBO Emitter-Base Voltage V(BR)EBO V (IC = 0, IB = 2 A, tp < 10µs, Tj < 150oC)

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