Wireless Charging Coils

236 Wireless Charging Coils from 12 manufacturers listed on everything PE

Wireless Charging Coils from the leading manufacturers are listed on everything PE. Narrow down on products based on configuration, charging standard, WPC standard, package type etc. View product specifications, download datasheets and get pricing. Your Inquiry will be directed to the manufacturer and their distributors who will get back to you with a quote.

Description:3 W Flexible Wireless Receiving Coil for Cellular & Wearable Applications
Configuration:
Receiver
Output Power:
1 to 3 W
Number of Coils:
1
Inductance:
8.32 uH
Dynamic Contact Resistance:
980 milli-ohms
RoHS Complaint:
Yes
Package Type:
Through Hole
more info
Description:5-15 W Wireless Charging Transmitter Coil
Configuration:
Transmitter
Charging Standard:
WPC Qi
Output Power:
5 to 15 W
Output Current:
6 A
Number of Coils:
1
Quality Factor:
140
Inductance:
8.5 uH
Self Resonant Frequency:
11 MHz
Dynamic Contact Resistance:
56 milli-ohms
RoHS Complaint:
Yes
more info
Description:15 W, WPC / Qi Transmitter Coil with 10.35 to 13.75 uH Inductance
Configuration:
Transmitter
Charging Standard:
WPC Qi
WPC Standard:
WPC MP-A9, WPC MP-A13, WPC MP-A15
Output Power:
15 W
Number of Coils:
3
Inductance:
10.35 to 13.75 uH
Dynamic Contact Resistance:
65 milli-ohms
RoHS Complaint:
Yes
more info
Description:20 W Wireless Charging Receiver Coil for Portable Applications
Configuration:
Receiver
Charging Standard:
WPC Qi
Output Power:
20 W
Output Current:
1.5 A
Number of Coils:
1
Quality Factor:
15
Inductance:
6.3 uH
Self Resonant Frequency:
25 MHz
Dynamic Contact Resistance:
350 milli-ohms
Package Type:
Through Hole
more info
Description:Qi Compliant Transmit/Receive Wireless Charging Coil with 12.5 uH Inductance
Configuration:
Transmitter, Receiver
Charging Standard:
WPC Qi
Output Voltage:
1 V
Output Current:
7 A
Number of Coils:
3
Inductance:
11.5 to 12.5 uH
Self Resonant Frequency:
0.1 MHz
Dynamic Contact Resistance:
65 milli-ohms
RoHS Complaint:
Yes
more info
Description:Wireless Power Receiver Coil for Smartphones and Wearable Devices
Configuration:
Receiver
Output Power:
10 W
Number of Coils:
1
Inductance:
17.3 uH
Dynamic Contact Resistance:
450 milli-ohms
RoHS Complaint:
Yes
more info
Description:140 milli-ohms, 6.3 μH Receiving Coil
Configuration:
Receiver
Charging Standard:
WPC Qi
Output Power:
15 to 20 W
Number of Coils:
1
Quality Factor:
26
Inductance:
6.3 uH
Dynamic Contact Resistance:
140 milli-ohms
RoHS Complaint:
Yes
more info
Description:Qi Compliant Transmit/Receive Wireless Charging Coil with 7.3 uH Inductance
Configuration:
Transmitter, Receiver
Charging Standard:
WPC Qi
Output Voltage:
1 V
Output Current:
7 A
Number of Coils:
3
Inductance:
7.3 uH
Self Resonant Frequency:
0.1 MHz
Dynamic Contact Resistance:
50 milli-ohms
RoHS Complaint:
Yes
more info
Description:48 uH, Q = 19 Typical at 125 kHz Wireless Charging Receiver Coil
Configuration:
Receiver
Number of Coils:
1
Quality Factor:
19
Inductance:
48 uH
Self Resonant Frequency:
0.125 MHz
more info
Description:310 milli-ohms, WPC Receiving Coil
Configuration:
Receiver
Charging Standard:
WPC Qi
Inductance:
12 uH
Dynamic Contact Resistance:
310 milli-ohms
more info

What are Wireless Charging Coils?

Wireless charging coils are used to generate power wirelessly. These coils operate by transferring wireless power (electrical energy) from the transmitter to the receiver coil by the process of electromagnetic induction. Electromagnetic induction is a phenomenon in which a change in current through the transmitter coil induces a voltage across the ends of the receiver coil. This process is also referred to as inductance coupling or magnetic coupling.

Wireless charging is also called cordless charging as the transmission of electrical energy is without using wires between the transmitter and receiver. The coils are normally made of copper which offers good conductivity. The transmitter coil is connected to the charging pad/charging station/power plug, and a receiver coil is connected to the device that needs to be charged. Some coils can perform both transmit and receive functions.

The wireless charging coils are ideal for use in inductive charging applications to charge devices such as cell phones, handheld devices, tablets, gaming controllers, wearable devices, smartwatches, digital cameras, small consumer electronic devices, charging electric vehicles, robotic cleaners, and drones applications.

Key Specifications of Wireless Charging Coils:

Configuration: It represents the configuration of the wireless charging coils. This coil is available in three different configurations - transmitter coil, receiver coil, and transmitter+receiver coil.

Charging standard: It represents the charging standard with which the wireless charging coil complies. WPC Qi, Airfuel, and NFC are some of the most common wireless charging standards.

WPC standard: It defines the type of coil configuration and the communication protocol so that any device operating under this standard will be able to pair with any other WPC-compliant devices. Key WPC standards are WPC MP-A11, WPC MP-A13, WPC MP-A1, WPC MP-A15, and WPC MP-A9.

Output Power: It represents the output power of the wireless charging coil and is expressed in Watts (W).

Output Voltage: It represents the magnitude of the output voltage of the wireless charging coil and is expressed in volts (V).

Output Current: It represents the magnitude of the output current of the wireless charging coil and is expressed in Ampere (A).

Number of Coils: It represents the number of coils present in a wireless charging coil. Multiple coils are often used to allow wireless charging from different angles.

Quality factor: The Q factor/quality factor is defined as the ratio of apparent power to the power losses in a wireless charging coil. Apparent power is defined as the product of angular frequency and inductance.

where ω = 2πf. Q is mainly dependent on the shape, size, and material of the coil.

Inductance: It represents the inductance value of the wireless charging coils and is expressed in µH.

Self-resonant frequency (SRF): It is defined as the frequency at which resonance occurs between the inductance and the parasitic capacitance of an inductor and is expressed in MHz.

Dynamic contact resistance (DCR): It is defined as the resistance of the contact between the charging coil and its connection with the source/load.

Wireless Charging Coils from the leading manufacturers are listed on everything PE. You can use the filters on the left side to narrow down the list of products based on your requirements - Configuration, Charging standard, WPC standard, and other parameters. Our parametric search tool will scan multiple manufacturer websites to identify Wireless Charging Coils that meet your requirement. You can then download datasheets, request quotations via everything PE. Your inquiry will be routed to the manufacturer or their representative who will give you more information on the product.

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