# \#high-current

**URL:** https://sierraconnect.protoexpress.com/tag/high-current/186.md

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## [Splitting a high-current trace across top and bottom layers](https://sierraconnect.protoexpress.com/t/splitting-a-high-current-trace-across-top-and-bottom-layers/4167)

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**Author:** [@Olivia](https://sierraconnect.protoexpress.com/u/Olivia)\
**Replies:** 4\
**Last updated:** [June 29, 2026, 3:03pm UTC](https://sierraconnect.protoexpress.com/t/splitting-a-high-current-trace-across-top-and-bottom-layers/4167 "2026-06-29T15:03:26Z")

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For a 20 A current path on 1 oz copper, using a 20°C temperature-rise target, an online calculator suggests a trace width of about 24.8 mm. Can that width be effectively split between the top and bottom layers (for exam…

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## [10 Best Layout Tips for High-Speed and High-Current PCB Traces](https://sierraconnect.protoexpress.com/t/10-best-layout-tips-for-high-speed-and-high-current-pcb-traces/2651)

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**Author:** [@PoulomiG](https://sierraconnect.protoexpress.com/u/PoulomiG)\
**Replies:** 4\
**Last updated:** [November 20, 2024, 6:20am UTC](https://sierraconnect.protoexpress.com/t/10-best-layout-tips-for-high-speed-and-high-current-pcb-traces/2651 "2024-11-20T06:20:54Z")

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Originally published at: https://www.protoexpress.com/blog/best-layout-tips-for-high-speed-and-high-current-pcb-traces/ When designing PCBs for frequencies over 5 GHz and current above 2A, trace design becomes paramo…