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ETD34 Vertical Smart door lock transformer bobbinThe Computer power switch transformer bobbin material uses phenolic resin, which has a volume resistivity as high as 10¹⁴Ω · cm, a dielectric strength above 70-90kV/mm, and excellent arc resistance performance (> 180 seconds). Although its relative tracking index (CTI) is lower than that of the new type of nylon, it can be further increased to over 600V by coating the surface with epoxy adhesive, meeting the requirements of industrial standards for insulation reliability.
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