BUL138FP transistor equivalent, high voltage fast-switching npn power transistor.
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. The BUL series is .
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