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	11,424 In Stock	1 : ¥38.09000 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)
WR303050-15F5-G RX 1 COIL 2 LYR 12.3UH TDK Corporation	1,894 In Stock	1 : ¥43.59000 Tray	WR	Tray	Active	Receiver	1 Coil, 2 Layer	12.3µH	-	410mOhm	-	-	-	-	-	1.18" L x 1.16" W x 0.03" H (30.0mm x 29.6mm x 1.0mm)
760308101214 RX 1 COIL 3 LAYER 26UH 1.1A Würth Elektronik	807 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)
760308103205 RX 1 COIL 1 LYR BIFILAR 11UH Würth Elektronik	1,269 In Stock	1 : ¥71.42000 Box	WE-WPCC	Box	Active	Receiver	1 Coil, 1 Layer, Bifilar	11µH	±10%	180mOhm	30 @ 125kHz	2.5A	4A	16MHz	-20°C ~ 105°C	1.34" L x 1.04" W x 0.04" H (34.0mm x 26.5mm x 0.9mm)
760308101103 TX 1 COIL 1 LAYER 6.5UH 3A Würth Elektronik	1,969 In Stock	1 : ¥99.74000 Box	WE-WPCC	Box	Active	Transmitter	1 Coil, 1 Layer	6.5µH	±10%	180mOhm Max	35 @ 125kHz	3A	8A	20MHz	-20°C ~ 105°C	1.18" L x 1.18" W x 0.07" H (30.0mm x 30.0mm x 1.9mm)
760308111 TX 1 COIL 2 LYR BIFIL 6.3UH 13A Würth Elektronik	2,072 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)
WR301025-19M8-G RX 1 COIL 2 LYR 12.8UH TDK Corporation	8,323 In Stock	1 : ¥14.37000 Tray	WR	Tray	Active	Receiver	1 Coil, 2 Layer	12.8µH	-	1.27Ohm Max	-	-	-	-	-	-
WR282840-37K2-LR3 RX 1 COIL 1 LYR 46UH TDK Corporation	1,142 In Stock	1 : ¥30.68000 Tray	WR	Tray	Active	Receiver	1 Coil, 1 Layer	46µH	-	1.25Ohm	-	-	-	-	-	-
WR202010-18M8-ID RX 1 COIL 2 LYR 11UH TDK Corporation	2,315 In Stock	1 : ¥33.00000 Tray	WR	Tray	Active	Receiver	1 Coil, 2 Layer	11µH	±5%	350mOhm	-	-	-	-	-	0.79" Dia x 0.03" H (20.0mm x 0.8mm)
WR151580-48F2-G RX 1 COIL 4 LYR 27.1UH TDK Corporation	883 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)
WRSR-11R0K-16 WIRELESE CHARGE COIL 11.0UH 2.5A Signal Transformer	279 In Stock	1 : ¥37.60000 Bulk	WRSR	Bulk	Active	Receiver	1 Coil, 1 Layer	11µH	±10%	200mOhm Max	30 @ 125kHz	2.5A	4A	-	-25°C ~ 105°C	1.34" L x 1.05" W x 0.04" H (34.0mm x 26.7mm x 0.9mm)
WR424245-13K2-G RX 1 COIL, 1 LYR 11.9UH TDK Corporation	10,414 In Stock	1 : ¥39.08000 Tray	WR	Tray	Active	Receiver	1 Coil, 1 Layer	11.9µH	-	220mOhm	-	-	-	-	-	1.65" L x 1.65" W x 0.04" H (42.0mm x 42.0mm x 0.9mm)
WR303050-12F5-ID RX 1 COIL 1 LYR 8.23UH TDK Corporation	1,521 In Stock	1 : ¥41.87000 Tray	WR	Tray	Active	Receiver	1 Coil, 1 Layer	8.23µH	±5%	260mOhm	-	-	-	-	-	1.18" L x 1.17" W x 0.03" H (30.0mm x 29.6mm x 0.9mm)
760308105309 WE-WPCC WIRELESS POWER CHARGING Würth Elektronik	142 In Stock	1 : ¥83.16000 Tray	WE-WPCC	Tray	Active	Receiver	1 Coil, 1 Layer	10.5µH	±10%	450mOhm	19 @ 125kHz	1.5A	3A	18.5MHz	-20°C ~ 105°C	1.035" Dia x 0.019" H (26.30mm x 0.49mm)
760308101221 WE-WPCC WIRELESS POWER CHARGING Würth Elektronik	37 In Stock	1 : ¥51.80000 Bulk	WE-WPCC	Bulk	Active	Receiver	1 Coil, 6 Layer	24µH	±10%	1.15Ohm Max	16 @ 125kHz	400mA	1A	10MHz	-20°C ~ 105°C	0.24" Dia x 0.16" H (6.0mm x 4.0mm)
1461794011 RX TX 2 COIL 1 LAYER 9.6UH 5.6UH Molex	0 In Stock Check Lead Time	700 : ¥57.08780 Tray	NuCurrent, PowerLife, 146179	Tray	Active	Receiver, Transmitter	2 Coil, 1 Layer	9.6µH, 5.6µH	±2%	550mOhm, 38mOhm	18 @ 200kHz, 160 @ 200kHz	-	-	-	-	1.06" Dia x 0.15" H (27.0mm x 3.7mm)

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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.