# \#high-power

**URL:** https://sierraconnect.protoexpress.com/tag/high-power/202.md

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## [PCB Glossary: Creepage and clearance](https://sierraconnect.protoexpress.com/t/pcb-glossary-creepage-and-clearance/4338)

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**Author:** [@Mohamed\_Faheemuddin](https://sierraconnect.protoexpress.com/u/Mohamed_Faheemuddin)\
**Replies:** 0\
**Last updated:** [August 6, 2026, 12:49pm UTC](https://sierraconnect.protoexpress.com/t/pcb-glossary-creepage-and-clearance/4338 "2026-08-06T12:49:40Z")

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Creepage and clearance are the physical spacing required between conductive features to ensure electrical insulation and prevent dielectric breakdown in high-voltage PCB designs. Creepage: The shortest distance measure…

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## [How do you size PCB traces when you have both high-speed and high-current requirements?](https://sierraconnect.protoexpress.com/t/how-do-you-size-pcb-traces-when-you-have-both-high-speed-and-high-current-requirements/4104)

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**Author:** [@Sushmitha](https://sierraconnect.protoexpress.com/u/Sushmitha)\
**Replies:** 2\
**Last updated:** [June 3, 2026, 2:22pm UTC](https://sierraconnect.protoexpress.com/t/how-do-you-size-pcb-traces-when-you-have-both-high-speed-and-high-current-requirements/4104 "2026-06-03T14:22:25Z")

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We often see designers run into trouble when a single board needs to handle both high-speed signals and significant current, because the two sets of rules pull in opposite directions. High-current paths need wider, thick…

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## [PCB for 230 VAC @ 8 A — Please Check My Understanding](https://sierraconnect.protoexpress.com/t/pcb-for-230-vac-8-a-please-check-my-understanding/3605)

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**Author:** [@rayansayedpd](https://sierraconnect.protoexpress.com/u/rayansayedpd)\
**Replies:** 1\
**Last updated:** [September 29, 2025, 6:35pm UTC](https://sierraconnect.protoexpress.com/t/pcb-for-230-vac-8-a-please-check-my-understanding/3605 "2025-09-29T18:35:25Z")

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Hi everyone, I’m designing a PCB that will switch 230 VAC at about 8 A using a relay. I’m still learning and would like to check if my understanding is correct: Trace width: At 50 Hz (mains), skin effect is negligib…

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## [High power board-to-board interconnect between two PCBs](https://sierraconnect.protoexpress.com/t/high-power-board-to-board-interconnect-between-two-pcbs/2963)

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**Author:** [@shysd](https://sierraconnect.protoexpress.com/u/shysd)\
**Replies:** 2\
**Last updated:** [March 6, 2025, 11:54pm UTC](https://sierraconnect.protoexpress.com/t/high-power-board-to-board-interconnect-between-two-pcbs/2963 "2025-03-06T23:54:34Z")

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Hello everyone, I am working on a DC link capacitor bank design which is to be mounted inside an enclosure. The capbank assembly consists of two PCBs with capacitors soldered on them (8 x 1000 uF, arranged in a 4 x 2 gr…

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## [How to Select Components and Materials for Power Electronics PCBs](https://sierraconnect.protoexpress.com/t/how-to-select-components-and-materials-for-power-electronics-pcbs/2814)

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**Author:** [@Pooja\_Mitra](https://sierraconnect.protoexpress.com/u/Pooja_Mitra)\
**Replies:** 0\
**Last updated:** [January 16, 2025, 3:40pm UTC](https://sierraconnect.protoexpress.com/t/how-to-select-components-and-materials-for-power-electronics-pcbs/2814 "2025-01-16T15:40:07Z")

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Originally published at: https://www.protoexpress.com/blog/how-to-select-components-and-materials-for-power-electronics-pcbs/ Power electronics PCBs are designed to handle elevated currents and voltages in applicatio…