BUL654

® BUL654 HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR s HIGH VOLTAGE CAPABILITY s MINIMUM LOT-TO-LOT SPREAD FOR RELIABLE OPERATION s LOW BASE-DRIVE REQUIREMENTS s VERY HIGH SWITCHING SPEED s FULLY CHARACTERIZED AT 125oC PRELIMINARY DATA APPLICATIONS s ELECTRONIC TRANSFORMER FOR HALOGEN LAMPS s SWITCH MODE POWER SUPPLIES DESCRIPTION The BUL654 is manufactured using high voltage Multi Epitaxial Planar technology for cost-effective high performance. It uses a Hollow Emitter structure to enhance switching speeds. The BUL series 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 Current (tp < 5 ms) Total Dissipation at Tc = 25 oC Storage Temperature...