BUL128

® BUL128 HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR s STMicroelectronics PREFERRED SALESTYPE s NPN TRANSISTOR s HIGH VOLTAGE CAPABILITY s LOW SPREAD OF DYNAMIC PARAMETERS s MINIMUM LOT-TO-LOT SPREAD FOR RELIABLE OPERATION s VERY HIGH SWITCHING SPEED APPLICATIONS: s ELECTRONIC BALLASTS FOR FLUORESCENT LIGHTING DESCRIPTION The device is manufactured using high voltage Multi Epitaxial Planar technology for high switching speeds and medium voltage capability. It uses a Cellular Emitter structure with planar edge termination to enhance switching speeds while maintaining the wide RBSOA. The device is designed for use in lighting applications and low cost switch-mode power supplies. 3 2 1 TO-220 INTERNAL SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol VCES VCEO VEBO IC ICM IB IBM Ptot Tstg Tj Parameter Collector-Emitter Voltage (VBE = 0) Collector-Emitter Voltage (IB = 0) Emitter-Base Voltage (IC = 0) Collector Current Collector Peak Current (tp < 5 ms) Base Current Base Peak Cu...