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BUL742C Scheda tecnica(PDF) 1 Page - STMicroelectronics |
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BUL742C Scheda tecnica(HTML) 1 Page - STMicroelectronics |
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1 / 12 page ![]() May 2008 Rev 3 1/12 12 BUL742C BULB742C High voltage fast-switching NPN power transistor Features ■ Low spread of dynamic parameters ■ High voltage capability ■ Minimum lot-to-lot spread for reliable operation ■ Very high switching speed Applications ■ Electronic ballast for fluorescent lighting ■ Switch mode power supplies Description The device is manufactured using high voltage multi-epitaxial planar technology for high switching speeds and high voltage capability. Thanks to an increased intermediate layer, it has an intrinsic ruggedness which enables the transistor to withstand an high collector current level during breakdown condition, without using the transil protection usually necessary in typical converters for lamp ballast. Figure 1. Internal schematic diagram TO-220 I2PAK 1 2 3 1 2 3 Table 1. Device summary Order code Marking Package Packaging BUL742C BUL742C TO-220 Tube BULB742C-1 BULB742C I2PAK www.st.com |
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