Custom manufacturing of coils for wireless power transmission (prototype support available)

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last updated：May 18, 2022

Official site

We can manufacture according to your requirements, such as size, wire material, and inductance. Prototype support is also available.

We are winding Litz wire to reduce the skin effect. We can manufacture according to your requests regarding coil size, wire material (Litz wire, solid wire), target inductance, and more. In addition to winding, we also support processing such as PCB mounting and various evaluations.

Related Link - https://www.stareng.co.jp/seihin/coil/wireless/

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basic information

Transmission and reception coils for wireless power transfer devices (custom modifications such as board mounting available) 【Example 1: Transmission and Reception Coil】 Coil Shape: Outer Diameter φ80mm Inner Diameter φ10mm Copper Wire: Litz Wire φ0.06mm × 54 strands Number of Turns: 62 turns × 1 layer Inductance: 134μH Resistance: 1.0Ω 【Example 2: Board Mounting】 Coil Shape: Outer Diameter φ40mm Inner Diameter φ10mm Copper Wire: Litz Wire φ0.06mm × 54 strands Number of Turns: 27 turns × 1 layer Inductance: 13.6μH Resistance: 0.25Ω Magnetic Sheet: 0.25mm thick Board: FR-4 0.8t with rectifier circuit mounted Specifications other than the examples can be designed and manufactured according to customer requests. Please let us know your requirements regarding shape, desired inductance value, etc. We will propose coil specifications and inspection details.

Price information

The price varies depending on the quantity, so please feel free to contact us.

Delivery Time

Please contact us for details

※Approximately 2 weeks (the delivery time may vary depending on the quantity, so please feel free to contact us).

Applications/Examples of results

Purpose: Transmission and reception coils for wireless power transfer devices.

Detailed information

Wireless power transmission coil - Production example Coil shape: Outer diameter φ80mm, Inner diameter φ10mm Copper wire: Litz wire φ0.06mm × 54 strands Number of turns: 62 turns × 1 layer Inductance: 134μH Resistance: 1.0Ω
Example of Coil Substrate Implementation and Production for Wireless Power Transfer Coil Shape: Outer Diameter φ40mm Inner Diameter φ10mm Wire: Litz Wire φ0.06mm × 54 strands Turns: 27 turns × 1 layer Inductance: 13.6μH Resistance: 0.25Ω Magnetic Sheet: 0.25mm thick Substrate: FR-4 0.8t Rectifier Circuit Implementation