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SI4972DY Datasheet(PDF) 10 Page - Vishay Siliconix |
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SI4972DY Datasheet(HTML) 10 Page - Vishay Siliconix |
10 / 15 page www.vishay.com 10 Document Number: 73849 S09-0138-Rev. D, 02-Feb-09 Vishay Siliconix Si4972DY TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted * The power dissipation PD is based on TJ(max) = 150 °C, using junction-to-case thermal resistance, and is more useful in settling the upper dissipation limit for cases where additional heatsinking is used. It is used to determine the current rating, when this rating falls below the package limit. Current Derating* (Ch 2) Power Derating, Junction-to-Ambient (Ch 2) 0 2 4 6 8 0 25 50 75 100 125 150 TC - Case Temperature (°C) 0.0 0.3 0.6 0.9 1.2 1.5 0 25 50 75 100 125 150 TA - Ambient Temperature (°C) Power Derating, Junction-to-Foot (Ch 2) 0.0 0.8 1.6 2.4 3.2 4.0 0 25 50 75 100 125 150 TC - Case Temperature (°C) |
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