Wireless Charging Coils

Wireless charging coils are used for inductive charging and wireless charging. Wireless charging coils are installed into a device for the purpose of receiving a wireless signal that will be used to charge and power another device. They are a popular method for charging smart phones and tablets as they are not required to be plugged in, like a traditional charger.

The coil is optimised for inductive charging. Wireless charging coils use an electromagnetic field between two devices to transfer energy. There are two functions, a transmitter and a receiver, with one beaming the field and the other receiving it. The transmitter and receiver must be on the same frequency. Please note that only devices with a compatible battery that will accept this type of charging.

Where are wireless charging coils used?

Wireless charging coils are used to charge portable devices such as:

  • Smartphones
  • Tablets
  • Wearables i.e. smart watches
  • Fitness trackers
  • Smart home i.e. heating controls
  • Medical devices
  • Clean rooms

What are Qi wireless charging coils?

Qi standard is an interface standard created by WPC. Qi is a standard of wireless charging coil which is popular with smartphone pad charging. Qi is pronounced "chee". They provide wireless power transfer over short distances or less than 4cm. Many popular consumer devices from Apple and Samsung use Qi compatible charging.


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Beskrivning Pris Inductance Function Maximum DC Current Maximum DC Resistance Self Resonant Frequency Q Factor Series Core Material Maximum Operating Temperature Minimum Operating Temperature Mounting Type Inductance Tolerance Dimensions Diameter
RS-artikelnummer 185-8418
Tillv. art.nrWTM505090-10K2-5V-G1
VarumärkeTDK
406,62 kr
Each
Enheter
6.3 μH Transmitter - 60mΩ - - WT Ferrite Core +70°C -30°C Through Hole - 50 (Dia.) x 9mm 50mm
RS-artikelnummer 185-8203
Tillv. art.nrWR524825-17M6-NF-G
VarumärkeTDK
61,013 kr
Each (In a Tray of 132)
Enheter
16.8 μH Receiver - 750mΩ - - WR Ferrite Core +70°C -30°C Through Hole - 52 x 48 x 0.52mm -
RS-artikelnummer 163-7513
Tillv. art.nr760308103205
VarumärkeWurth Elektronik
58,992 kr
Each (In a Box of 96)
Enheter
11 μH - 2.5A 200mΩ - - WE-WPCC Ferrite +105°C -20°C Axial - 34 x 26.5 x 0.89mm -
RS-artikelnummer 163-1888
Tillv. art.nr760308101214
VarumärkeWurth Elektronik
63,931 kr
Each (In a Box of 48)
Enheter
26 μH Receiver 1.1A 520mΩ 11MHz 25 WE-WPCC Ferrite Core +105°C -20°C Radial - 19 (Dia.) x 0.8mm 19mm
RS-artikelnummer 185-8402
Tillv. art.nrWR524830-16F3-NF-G
VarumärkeTDK
90,00 kr
Each
Enheter
19.5 μH Receiver - 800mΩ - - WR Ferrite Core +70°C -30°C Through Hole - 52 x 48 x 0.62mm -
RS-artikelnummer 112-0092
Tillv. art.nr760308101105
VarumärkeWurth Elektronik
142,36 kr
Each
Enheter
3.3 μH Transmitter 3A 83mΩ 20MHz 30 WE-WPCC Ferrite Core +105°C -20°C Radial - 20.5 (Dia.) x 2.8mm 20.5mm
RS-artikelnummer 923-6306
Tillv. art.nr760308102142
VarumärkeWurth Elektronik
219,04 kr
Each
Enheter
5.8 μH Transmitter 18A 12mΩ 12MHz 100 WE-WPCC Ferrite Core +105°C -20°C Radial ±10 % 53.5 x 6.5 x 53.5mm 53.5mm
RS-artikelnummer 168-3253
Tillv. art.nr760308102308
VarumärkeWurth Elektronik
166,57 kr
Each
Enheter
3 μH Transmitter 8.5A 35mΩ 27MHz 60 WE-WPCC Ferrite Core +105°C -20°C Radial ±10 % 50 x 30 x 2.4mm -
RS-artikelnummer 923-6321
Tillv. art.nr760308101217
VarumärkeWurth Elektronik
91,175 kr
Each (In a Pack of 2)
Enheter
24.2 μH Receiver 400mA 1.4Ω 14.5MHz 13 WE-WPCC Ferrite Core +105°C -20°C Radial - 10.3 (Dia.) x 1.86mm 10.3mm
RS-artikelnummer 124-4522
Tillv. art.nrWR444030-16F3-G
VarumärkeTDK
24,49 kr
Each
Enheter
19 μH Receiver - 700mΩ - - WR Ferrite Core +70°C -30°C Radial - 44 x 0.62 x 40mm -
RS-artikelnummer 162-1315
Tillv. art.nr760308102210
VarumärkeWurth Elektronik
107,479 kr
Each (In a Tray of 22)
Enheter
7.5 μH - 3A 200mΩ - - WE-WPCC Ferrite +105°C -20°C Axial - 37 x 37 x 1.8mm -
RS-artikelnummer 185-8212
Tillv. art.nrWT505090-10F2-A11-G1
VarumärkeTDK
31,656 kr
Each (In a Tray of 120)
Enheter
6.3 μH Transmitter - 60mΩ - - WT Ferrite Core +70°C -30°C Through Hole ±10 % 51.4 (Dia.) x 3.99mm 51.4mm
Nytt
RS-artikelnummer 240-4002
Tillv. art.nrBP3622
VarumärkeROHM
416,781 kr
Each (In a Tray of 10)
Enheter
- Receiver - - 13.56MHz - - - - - - - - -
Nytt
RS-artikelnummer 240-4001
Tillv. art.nrBP3621
VarumärkeROHM
451,19 kr
Each
Enheter
- Transmitter - - 13.56MHz - - - - - - - - -
RS-artikelnummer 185-8404
Tillv. art.nrWT151512-22F2-ID
VarumärkeTDK
41,91 kr
Each
Enheter
6.8 μH Transmitter - 180mΩ - - WT Ferrite Core +70°C -30°C Through Hole - 15.3 (Dia.) x 2.42mm 15.3mm
RS-artikelnummer 124-5141
Tillv. art.nr146179-1011
VarumärkeMolex
83,39 kr
Each
Enheter
9.9 μH Receiver - 390mΩ - 23 146179 Copper +40°C -10°C - ±2 % 40 x 47 x 0.52mm -
RS-artikelnummer 863-1264
Tillv. art.nr760308101303
VarumärkeWurth Elektronik
131,17 kr
Each
Enheter
47 μH - 1.5A 500mΩ - - WE-WPCC Ferrite +105°C -20°C Axial - 51.3 (Dia.) x 26.3mm 26.3mm
RS-artikelnummer 173-0684
Tillv. art.nrIWTX47R0BEEB240K11
VarumärkeVishay
60,481 kr
Each (In a Bag of 60)
Enheter
24 μH Transmitter 7A 38mΩ 22MHz 190 IWTX-47R0BE-11 Ferrite Core +155°C -55°C Radial ±10 % 47 (Dia.) x 5.26mm 47mm
RS-artikelnummer 185-8204
Tillv. art.nrWR524830-16F3-NF-G
VarumärkeTDK
58,713 kr
Each (In a Tray of 132)
Enheter
19.5 μH Receiver - 800mΩ - - WR Ferrite Core +70°C -30°C Through Hole - 52 x 48 x 0.62mm -
RS-artikelnummer 163-1892
Tillv. art.nr760308103215
VarumärkeWurth Elektronik
64,057 kr
Each (In a Box of 48)
Enheter
14.3 μH Receiver 3A 190mΩ 8.8MHz 40 WE-WPCC Ferrite Core +105°C -20°C Radial ±10 % 48 x 32 x 1mm -