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BUL138FP
HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR
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STMicroelectronics PREFERRED SALESTYPE NPN TRANSISTOR HIGH VOLTAGE CAPABILITY LOW SPREAD OF DYNAMIC PARAMETERS MINIMUM LOT-TO-LOT SPREAD FOR RELIABLE OPERATION VERY HIGH SWITCHING SPEED FULLY CHARACTERIZED AT 125oC FULLY INSULATED PACKAGE (U.L. COMPLIANT) FOR EASY MOUNTING TO-220FP
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APPLICATIONS s ELECTRONIC BALLASTS FOR FLUORESCENT LIGHTING s FLYBACK AND FORWARD SINGLE TRANSISTOR LOW POWER CONVERTERS DESCRIPTION The BUL138FP 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.