Wireless Charging Coils

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Function	Type	Inductance	Tolerance	DC Resistance (DCR)	Q @ Freq	Current Rating (Amps)	Current - Saturation (Isat)	Frequency - Self Resonant	Operating Temperature	Size / Dimension

WR222230-26M8-G RX 1 COIL 2 LYR 27UH TDK Corporation	4,012 In Stock	1 : ¥25.37000 Tray	WR	Tray	Active	Receiver	1 Coil, 2 Layer	27µH	-	1.1Ohm Max	-	-	-	-	-	0.87" Dia x 0.03" H (22.0mm x 0.9mm)
760308111 TX 1 COIL 2 LYR BIFIL 6.3UH 13A Würth Elektronik	595 In Stock	1 : ¥111.65000 Tray	WE-WPCC	Tray	Active	Transmitter	1 Coil, 2 Layer, Bifilar	6.3µH	±10%	24mOhm Max	80 @ 125kHz	13A	16A	20MHz	-20°C ~ 105°C	2.10" L x 2.10" W x 0.24" H (53.3mm x 53.3mm x 6.0mm)
WT151512-22F2-ID TX 1 COIL 2 LYR 6.8UH TDK Corporation	2,565 In Stock	1 : ¥23.73000 Box	WT	Box	Active	Transmitter	1 Coil, 2 Layer	6.8µH	±5%	170mOhm	-	-	-	-	-	0.60" Dia x 0.09" H (15.3mm x 2.2mm)
WT525225-12F2-MA2-G TX 1 COIL, 1 LYR 10.5UH TDK Corporation	518 In Stock	1 : ¥72.57000 Tray	WT	Tray	Active	Transmitter	1 Coil, 1 Layer	10.5µH	-	60mOhm	-	-	-	-	-	2.05" L x 2.05" W x 0.15" H (52.0mm x 52.0mm x 3.7mm)
WRM483265-10F5-12V-G WIRELESS POWER TRANSFER RX COIL TDK Corporation	0 In Stock	Obsolete	WRM	Box	Obsolete	Receiver	1 Coil, 1 Layer, Bifilar	-	-	-	-	1.25A	-	-	-30°C ~ 70°C	3.02" L x 1.29" W x 0.07" H (76.7mm x 32.7mm x 1.8mm)

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Wireless Charging Coils

Wireless charging coils generate an alternating electromagnetic field used to inductively transfer energy to other coils positioned parallel and in close proximity. The energy is used to charge batteries or run the device receiving the energy. The coils may be designed as receivers, transmitters or dual purpose having single or multiple coils and multiple layers of windings. They are rated by their inductance, self resonant frequency, saturation current and Q factor at a given frequency.