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

WT202012-15F2-ID TX 1 COIL 2 LYR 6.2UH TDK Corporation	11,423 In Stock	1 : ¥35.38000 Tray	WT	Tray	Active	Transmitter	1 Coil, 2 Layer	6.2µH	±5%	80mOhm	-	-	-	-	-	0.80" Dia x 0.10" H (20.3mm x 2.7mm)
760308101214 RX 1 COIL 3 LAYER 26UH 1.1A Würth Elektronik	797 In Stock	1 : ¥65.51000 Tray	WE-WPCC	Tray	Active	Receiver	1 Coil, 3 Layer	26µH	±10%	520mOhm Max	25 @ 125kHz	1.1A	2A	11MHz	-20°C ~ 105°C	0.75" Dia x 0.03" H (19.0mm x 0.8mm)
760308101220 RX 1 COIL 3 LAYER BIFILAR 12.6UH Würth Elektronik	617 In Stock	1 : ¥69.78000 Box	WE-WPCC	Box	Active	Receiver	1 Coil, 3 Layer, Bifilar	12.6µH	±10%	340mOhm Max	20 @ 125kHz	1.1A	2.5A	19MHz	-20°C ~ 105°C	0.67" Dia x 0.03" H (17.0mm x 0.8mm)
760308111 TX 1 COIL 2 LYR BIFIL 6.3UH 13A Würth Elektronik	2,002 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)
WR151580-48F2-G RX 1 COIL 4 LYR 27.1UH TDK Corporation	876 In Stock	1 : ¥33.74000 Tray	WR	Tray	Active	Receiver	1 Coil, 4 Layer	27.1µH	-	500mOhm	-	-	-	-	-	0.59" Dia x 0.10" H (15.0mm x 2.6mm)
760308101208 RX 1 COIL 3 LAYER 13UH 0.8A Würth Elektronik	188 In Stock	1 : ¥86.28000 Box	WE-WPCC	Box	Active	Receiver	1 Coil, 3 Layer	13µH	±10%	400mOhm	17 @ 125kHz	0.8A	2A	26MHz	-20°C ~ 105°C	0.39" Dia x 0.07" H (10.0mm x 1.7mm)
760308101105 TX 1 COIL 2 LAYER 3.3UH 3A Würth Elektronik	129 In Stock	1 : ¥107.79000 Tray	WE-WPCC	Tray	Active	Transmitter	1 Coil, 2 Layer	3.3µH	±10%	80mOhm Max	30 @ 125kHz	3A	6A	20MHz	-20°C ~ 105°C	0.81" Dia x 0.10" H (20.5mm x 2.6mm)
760308101106 WE-WPCC WIRELESS POWER CHARGING Würth Elektronik	23 In Stock	1 : ¥84.39000 Tray	WE-WPCC	Tray	Active	Transmitter	1 Coil, 1 Layer	2.5µH	±10%	90mOhm	30 @ 125kHz	2.5A	8A	38MHz	-20°C ~ 105°C	0.807" Dia x 0.110" H (20.50mm x 2.80mm)

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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.