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BULB49D Dataheets PDF



Part Number BULB49D
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description High voltage fast-switching NPN power transistors
Datasheet BULB49D DatasheetBULB49D Datasheet (PDF)

BUL49D BULB49D High voltage fast-switching NPN power transistors Features ■ High voltage capability ■ Low spread of dynamic parameters ■ Minimum lot-to-lot spread for reliable operation ■ Very high switching speed ■ High ruggedness Applications ■ Electronic transformers for halogen lamps ■ Flyback and forward single transistor low power converters Description The devices are manufactured using high voltage multi-epitaxial planar technology for high switching speeds and high voltage capability. .

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BUL49D BULB49D High voltage fast-switching NPN power transistors Features ■ High voltage capability ■ Low spread of dynamic parameters ■ Minimum lot-to-lot spread for reliable operation ■ Very high switching speed ■ High ruggedness Applications ■ Electronic transformers for halogen lamps ■ Flyback and forward single transistor low power converters Description The devices are manufactured using high voltage multi-epitaxial planar technology for high switching speeds and high voltage capability. The devices are designed for use in electronic transformer for halogen lamps. 3 2 1 TO-220 3 2 1 TO-220FP 3 1 D2PAK 123 I2PAK Figure 1. Internal schematic diagram Table 1. Device summary Order code Marking BUL49D BUL49DFP BUL49D BUL49DFP BULB49D-1 BULB49D BULB49DT4 BULB49D June 2008 Package TO-220 TO-220FP I2PAK D2PAK Rev 3 Packaging Tube Tube Tube Tape and reel 1/15 www.st.com 15 Contents Contents BUL49D - BULB49D 1 Electrical ratings . . . . . . . . . . . . .


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