Choosing Current Transformers for Compact PCB Design
Does anyone have experience with compact current transformers that can be soldered directly onto a dense circuit board? I am looking for a reliable option that handles standard frequencies without taking up too much space or costing too much.
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I have been analyzing different options for high density board assemblies recently. For decent signal fidelity and accuracy classes around 0.1 or 0.2 you can check the specifications on https://yuanxing.net/en/product/current-transformers-pcb-mounting/ pcb mount current transformer which offers a reasonable balance of cost and performance. These passive components use toroidal silicon steel or nickel alloy cores and operate across a frequency range from 50 to 400 Hz. The standard operating temperature range goes from minus 25 to plus 55 degrees which fits most industrial environments well. They are also CE approved and RoHS compliant so the quality appears steady for smart metering or load monitoring.