Signal Transformer / Bel Wireless Charging Coils

Signal Transformer / Bel Wireless Charging Coils feature a low profile, high mechanical intensity, and a ±5% or ±10% inductance range. Wireless charging transmission coils are available in single, double, and multiple winding configurations. The coils transmit power wirelessly through inductive coupling to charge an array of products, and utilize inductive coupling to transfer signals, data, and power from one source to another. Signal Transformer / Bel Wireless Charging Coils are ideal for phones, tablets, gaming controllers, wearable devices, and smart car charging applications.


  • Pin cooling technology and tight pin tolerance control within +/-1mm after tin immersion process
  • Two core shapes, square/rectangular (Q) or circular (C)
  • Qi standard compliance
  • Low profile 
  • High mechanical intensity
  • ±5% inductance tolerance (J), ±10% (K)


  • Mobile phones
  • Tablets
  • Gaming controllers
  • Wearable devices
  • Toothbrushes
  • Robotic cleaners
  • Drones
  • Smart car charging
Published: 2020-07-16 | Updated: 2022-11-07