Vishay unveils WPC-compliant Rx coil for 5 V wireless charging circuitry

For wireless power base stations and receivers, the IWAS-3827EC-50″s high-saturation powdered iron is not affected by permanent locating magnets, and the device shields sensitive components or batteries from charging flux. As an alternative to Ferrite-based solutions, which can saturate in the presence of a strong magnetic field, the IWAS-3827EC-50 offers a magnetic saturation of 50 % at 4000 gauss.

The RoHS-compliant device features inductance of 10.7 µH at 200 kHz with a ± 5 % inductance tolerance, DCR of 183 mΩ at + 25 ºC, and Q of 30 typical at 200 kHz. The receiving coil features a lead length of 50 mm and tinned length of 10 mm.

Samples and production quantities of the IWAS-3827EC-50 Rx coil are available now, with lead times of five to eight weeks.

Vishay Intertechnology

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