BUL138 Datasheet | STMicroelectronics

® BUL138 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 s FULLY CHARACTERIZED AT 125oC APPLICATIONS s ELECTRONIC BALLASTS FOR FLUORESCENT LIGHTING s FLYBACK AND FORWARD SINGLE TRANSISTOR LOW POWER CONVERTERS DESCRIPTION The BUL138 is manufactured using high voltage Multi Epitaxial Planar technology for high switching speeds and high voltage capability. It uses a Cellular Emitter structure with planar edge termination to enhance switching speeds. The BUL series is designed for use in lighting...