plated slots
How to Define PTH and NPTH in PCB Design - Smart Prototyping
NPTHs or non-plated through holes are holes drilled in the PCB that are not plated with copper. They serve only a mechanical function like mounting components or providing heat sinks.
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+ Manufacturer: GATERON + Switch type: Linear + Cover: Nylon + Stem: POM + Bottom: Nylon + Spring: Stainless steel (gold-plated) + Total travel: 3.7±0.3mm
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