Wireless Charging Coils

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of 58

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	1 013 In Stock	1 : 2,33000 € 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)
WT303012-12F2-ID TX 1 COIL 2 LYR 6.3UH TDK Corporation	1 412 In Stock	1 : 3,06000 € Tray	WT	Tray	Active	Transmitter	1 Coil, 2 Layer	6.3µH	±5%	90mOhm	-	-	-	-	-	1.18" Dia x 0.08" H (30.0mm x 2.0mm)
WR303050-12F5-ID RX 1 COIL 1 LYR 8.23UH TDK Corporation	746 In Stock	1 : 3,66000 € 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)
WR483245-15F5-G RX 1 COIL 1 LYR 13UH TDK Corporation	151 In Stock	1 : 4,15000 € Tray	WR	Tray	Active	Receiver	1 Coil, 1 Layer	13µH	-	200mOhm	-	-	-	-	-	1.89" L x 1.27" W x 0.03" H (48.2mm x 32.2mm x 1.0mm)
WR483265-15F5-G RX 1 COIL 1 LYR 13.3UH TDK Corporation	576 In Stock	1 : 4,20000 € Tray	WR	Tray	Active	Receiver	1 Coil, 1 Layer	13.3µH	-	200mOhm	-	1.87A	-	-	-	1.89" L x 1.27" W x 0.04" H (48.2mm x 32.2mm x 1.2mm)
WR301025-19M8-G RX 1 COIL 2 LYR 12.8UH TDK Corporation	7 897 In Stock	1 : 1,51000 € Tray	WR	Tray	Active	Receiver	1 Coil, 2 Layer	12.8µH	-	1.27Ohm Max	-	-	-	-	-	-
WR221230-36M8-G RX 1 COIL 2 LYR 27.9UH TDK Corporation	802 In Stock	1 : 1,65000 € Tray	WR	Tray	Active	Receiver	1 Coil, 2 Layer	27.9µH	-	1.21Ohm Max	-	-	-	-	-	-
WR121210-27M8-ID RX 1 COIL 1 LYR 8.32UH TDK Corporation	1 036 In Stock	1 : 2,29000 € Tray	WR	Tray	Active	Receiver	1 Coil, 1 Layer	8.32µH	±5%	950mOhm	-	-	-	-	-	0.47" Dia x 0.01" H (12.0mm x 0.3mm)
WR202010-18M8-SM RX 1 COIL 2 LYR 10.68UH TDK Corporation	209 In Stock	1 : 2,93000 € Tray	WR	Tray	Active	Receiver	1 Coil, 2 Layer	10.68µH	±5%	350mOhm	-	-	-	-	-	0.79" Dia x 0.03" H (20.0mm x 0.8mm)
WR282840-37K2-LR3 RX 1 COIL 1 LYR 46UH TDK Corporation	450 In Stock	1 : 2,93000 € Tray	WR	Tray	Active	Receiver	1 Coil, 1 Layer	46µH	-	1.25Ohm	-	-	-	-	-	-
WR151580-48F2-G RX 1 COIL 4 LYR 27.1UH TDK Corporation	109 In Stock	1 : 3,01000 € Tray	WR	Tray	Active	Receiver	1 Coil, 4 Layer	27.1µH	-	500mOhm	-	-	-	-	-	0.59" Dia x 0.10" H (15.0mm x 2.6mm)
WT151512-22F2-ID TX 1 COIL 2 LYR 6.8UH TDK Corporation	2 089 In Stock	1 : 3,07000 € 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)
WT202012-15F2-ID TX 1 COIL 2 LYR 6.2UH TDK Corporation	5 593 In Stock	1 : 3,14000 € 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)
WT202080-28F2-G TX 1 COIL 4 LYR 20.9UH TDK Corporation	321 In Stock	1 : 3,52000 € Tray	WT	Tray	Active	Transmitter	1 Coil, 4 Layer	20.9µH	-	300mOhm	-	-	-	-	-	0.79" Dia x 0.11" H (20.0mm x 2.7mm)
WT252512-8F2-SM TX 1 COIL 1 LYR 2.76UH TDK Corporation	1 604 In Stock	1 : 4,10000 € Tray	WT	Tray	Active	Transmitter	1 Coil, 1 Layer	2.76µH	±5%	70mOhm	-	-	-	-	-	0.98" Dia x 0.08" H (25.0mm x 2.1mm)
WT505090-10F2-A11-G1 TX 1 COIL, 1 LYR 6.3UH TDK Corporation	571 In Stock	1 : 4,27000 € Bulk	WT	Bulk	Active	Transmitter	1 Coil, 1 Layer	6.3µH	-	60mOhm	-	-	-	-	-	2.02" Dia x 0.13" H (51.4mm x 3.4mm)
WR444030-16F3-G RX 1 COIL 1 LYR 19UH TDK Corporation	498 In Stock	1 : 4,68000 € Tray	WR	Tray	Active	Receiver	1 Coil, 1 Layer	19µH	-	700mOhm	-	-	-	-	-	1.71" L x 1.56" W x 0.02" H (43.5mm x 39.5mm x 0.6mm)
WT505090-10K2-A11-G TX 1 COIL 1 LYR 6.3UH TDK Corporation	576 In Stock	1 : 4,94000 € Tray	WT	Tray	Not For New Designs	Transmitter	1 Coil, 1 Layer	6.3µH	-	60mOhm	-	-	-	-	-	1.97" Dia x 0.15" H (50.0mm x 3.8mm)
WT242490-30F2-G TX 1 COIL 2 LYR 12.9UH TDK Corporation	103 In Stock	1 : 5,17000 € Tray	WT	Tray	Active	Transmitter	1 Coil, 2 Layer	12.9µH	±10%	165mOhm	-	-	-	-	-	0.97" Dia x 0.09" H (24.5mm x 2.4mm)
WR555540-16K2-FS2 RX 1 COIL 2 LYR 15.8UH TDK Corporation	504 In Stock	1 : 5,99000 € Tray	WR	Tray	Active	Receiver	1 Coil, 2 Layer	15.8µH	-	100mOhm	98 @ 100kHz	-	-	-	-	2.13" L x 2.13" W x 0.09" H (54.0mm x 54.0mm x 2.4mm)
WT505090-20K2-A10-G TX 1 COIL 2 LYR 24UH TDK Corporation	165 In Stock	1 : 7,11000 € Tray	WT	Tray	Active	Transmitter	1 Coil, 2 Layer	24µH	-	100mOhm	-	-	-	-	-	1.97" Dia x 0.15" H (50.0mm x 3.8mm)
WT525225-12F2-MA2-G TX 1 COIL, 1 LYR 10.5UH TDK Corporation	335 In Stock	1 : 8,00000 € 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)
WT505090-10F2-LP-G1 TX 1 COIL, 1 LYR 6.3UH TDK Corporation	110 In Stock	1 : 4,27000 € Tray	WT	Tray	Active	Transmitter	1 Coil, 1 Layer	6.3µH	-	60mOhm	-	-	-	-	-	2.02" Dia x 0.13" H (51.4mm x 3.4mm)
WR424245-13K2-G RX 1 COIL, 1 LYR 11.9UH TDK Corporation	10 244 In Stock	1 : 4,37000 € 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)
WT282890-16F2-G TX 1 COIL 2 LYR 7.4UH TDK Corporation	138 In Stock	1 : 4,76000 € Tray	WT	Tray	Active	Transmitter	1 Coil, 2 Layer	7.4µH	-	110mOhm	-	-	-	-	-	1.12" Dia x 0.10" H (28.4mm x 2.4mm)

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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.