Standard sized Qi compliant coils for wireless charging

June 14, 2019 //By Julien Happich
Qi receiver coils
Vishay Intertechnology has expanded its offering of Qi-compliant wireless charging transmitter and receiver coils with the introduction of 14 new products in industry-standard shield sizes.

Consisting of eight single-coil transmitters (Tx), three three-coil transmitters (Tx), and three single-coil receiver coils (Rx), the Vishay Dale products released today offer designers a source for the most popular sizes used in Qi wireless charging pads for handheld battery-powered devices.

Available Tx coil types include A11, A6, MP-A9, MP-A6, MP-A4, and MP-A2. The transmitters offer power ratings from 5 W to 15 W, while receivers feature power ratings of 3.5 W and 5 W. The RoHS-compliant coils operate over temperatures from -40 to +125 °C and offer inductance tolerance of +10 %.

All configurations are customizable to customer specifications upon request.eiver coils are available now, with lead times of 10 weeks for large orders.

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