E-mech

Transmitter and receiver coils target wireless charging

10th June 2019
Mick Elliott

An expanded offering of its Qi-compliant wireless charging transmitter and receiver coils with the introduction of 14 new products in industry-standard shield sizes has been released by Vishay Intertechnology.

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

Tx coil types include A11, A6, MP-A9, MP-A6, MP-A4, and MP-A2.

The transmitters offer power ratings from 5W to 15W, while receivers feature power ratings of 3.5W and 5W.

The RoHS-compliant coils operate over temperatures from -40°C to +125°C and offer inductance tolerance of +10%.

All configurations are customisable to customer specifications upon request.

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