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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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RT6318B датащи(PDF) 23 Page - Richtek Technology Corporation |
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RT6318B датащи(HTML) 23 Page - Richtek Technology Corporation |
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23 / 25 page  RT6318B/C 23 DS6318B/C-01 December 2021 www.richtek.com © Copyright 2021 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Trace Width Design For thermal, efficiency and PCB handling current capability, the trace width design is very important. According to IPC- 2221 formally IDC-D-275 PWB, the following formulas can be used to calculate the trace width for printed circuit boards. Inner trace : 0.5453 2 0.7349 I(Amp) = 0.015 T( C) Area(mils ) 2 Area(mils ) Width(mil) = mil Thickness(oz) 1.37 oz where I(Amp) = Current, ΔT(°C) = Temperature rise, Area(mils2) = Cross sectional area = Width x Thickness, Width(mil) = Trace width, and Thickness(oz) = Layer Cu thickness. Trace PCB Cooper Plane Area Width Thickness Outer trace : 0.4281 2 0.6732 I(Amp) = 0.0647 T( C) Area(mils ) |
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