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CS8161YT5 Fiches technique(PDF) 9 Page - ON Semiconductor |
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CS8161YT5 Fiches technique(HTML) 9 Page - ON Semiconductor |
9 / 11 page CS8161 http://onsemi.com 9 Heat Sinks A heat sink effectively increases the surface area of the package to improve the flow of heat away from the IC and into the surrounding air. Each material in the heat flow path between the IC and the outside environment will have a thermal resistance. Like series electrical resistances, these resistances are summed to determine the value of RqJA: R qJA + RqJC ) RqCS ) RqSA (3) where: RqJC = the junction−to−case thermal resistance, RqCS = the case−to−heatsink thermal resistance, and RqSA = the heatsink−to−ambient thermal resistance. RqJC appears in the package section of the data sheet. Like RqJA, it too is a function of package type. RqCS and RqSA are functions of the package type, heatsink and the interface between them. These values appear in heat sink data sheets of heat sink manufacturers. MARKING DIAGRAMS A = Assembly Location WL = Wafer Lot YY = Year WW = Work Week G = Pb−Free Package TO−220 5−LEAD CS 8161 AWLYWWG 1 CS8161 AWLYWWG 1 CS 8161 AWLYWWG 1 ORDERING INFORMATION* Device Package Shipping CS8161YT5 TO−220 STRAIGHT 50 Units / Rail CS8161YT5G TO−220 STRAIGHT (Pb−Free) CS8161YTVA5 TO−220 VERTICAL CS8161YTVA5G TO−220 VERTICAL (Pb−Free) CS8161YTHA5 TO−220 HORIZONTAL CS8161YTHA5G TO−220 HORIZONTAL (Pb−Free) *Consult your local sales representative for SO−16L package option. |
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