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.
Product List
Total Components: 274
ProductPricingDatasheetFunctionTypeInductanceToleranceDC Resistance (DCR)Q @ FreqCurrent Rating (Amps)Current - Saturation (Isat)Frequency - Self ResonantOperating TemperatureSize / DimensionStock & Quantity
760308101106
Würth Elektronik
1
$10.2800
Datasheet
Transmitter1 Coil, 1 Layer2.5µH±10%90mOhm30 @ 125kHz2.5A8A38MHz-20°C ~ 105°C0.807" Dia x 0.110" H (20.50mm x 2.80mm)
6,138
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RFQ
760308101107
Würth Elektronik
1
$12.8000
Datasheet
Transmitter1 Coil, 1 Layer24µH±10%315mOhm55 @ 125kHz2A8A7.5MHz-20°C ~ 105°C1.220" Dia x 0.098" H (31.00mm x 2.50mm)
2,546
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RFQ
760308101104
Würth Elektronik
1
$13.1300
Datasheet
Transmitter1 Coil, 2 Layer6.8µH±10%125mOhm Max42 @ 125kHz2.5A6A20MHz-20°C ~ 105°C0.81" Dia x 0.10" H (20.5mm x 2.6mm)
2,315
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RFQ
760308103203
Würth Elektronik
1
$6.4500
Datasheet
Receiver1 Coil, 1 Layer12µH±10%550mOhm21 @ 125kHz1.55A3A20MHz-20°C ~ 105°C1.89" L x 1.27" W x 0.03" H (48.2mm x 32.2mm x 1.0mm)
2,939
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RFQ
760308102212
Würth Elektronik
1
$8.6300
Datasheet
Receiver1 Coil, 1 Layer5.4µH±10%240mOhm Max18 @ 125kHz2A4A25MHz-20°C ~ 105°C1.14" L x 1.14" W x 0.04" H (29.0mm x 29.0mm x 0.9mm)
6,751
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RFQ
760308103307
Würth Elektronik
1
$11.7100
Datasheet
Receiver2 Coil, 1 Layer7.8µH, 1.6µH±10%340mOhm Max, 90mOhm Max19 @ 125kHz, 47 @ 125kHz1.5A, 4A3A, 7A22MHz, 24MHz-20°C ~ 105°C1.57" L x 1.06" W x 0.04" H (40.0mm x 27.0mm x 1.0mm)
5,940
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RFQ
760308101312
Würth Elektronik
1
$11.9200
Datasheet
Transmitter2 Coil, 1 Layer24µH, 700nH±10%90mOhm, 30mOhm125 @ 125kHz, 30 @ 125kHz6A, 13A-7MHz, 63MHz-20°C ~ 105°C2.13" Dia x 0.16" H (54.0mm x 4.0mm)
8,446
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RFQ
760308101411
Würth Elektronik
1
$12.8300
Datasheet
Transmitter1 Coil, 1 Layer6.3µH±10%48mOhm110 @ 125kHz7.5A10A20MHz-20°C ~ 105°C1.97" Dia x 0.11" H (50.0mm x 2.8mm)
5,410
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RFQ
760308101410
Würth Elektronik
1
$14.4400
Datasheet
Transmitter1 Coil, 1 Layer24µH±10%100mOhm170 @ 125kHz5.5A10A6MHz-20°C ~ 105°C1.97" Dia x 0.12" H (50.0mm x 3.1mm)
9,712
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RFQ
760308104113
Würth Elektronik
1
$16.3000
Datasheet
Transmitter1 Coil, 1 Layer12µH±10%72mOhm Max120 @ 125kHz7A12A16MHz-20°C ~ 105°C2.34" L x 2.05" W x 0.15" H (59.5mm x 52.0mm x 4.0mm)
4,330
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RFQ
760308102308
Würth Elektronik
1
$16.9900
Datasheet
Transmitter1 Coil, 1 Layer3µH±10%35mOhm Max60 @ 125kHz8.5A15A27MHz-20°C ~ 105°C1.97" L x 1.18" W x 0.14" H (50.0mm x 30.0mm x 3.5mm)
9,514
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RFQ
760308103146
Würth Elektronik
1
$18.2300
Datasheet
Transmitter1 Coil, 1 Layer8.5µH±10%56mOhm Max140 @ 125kHz8A16A11MHz-20°C ~ 60°C2.01" L x 1.85" W x 0.18" H (51.0mm x 47.0mm x 4.5mm)
6,579
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RFQ
760308104119
Würth Elektronik
1
$19.3500
Datasheet
Transmitter2 Coil, 1 Layer12µH, 11.5µH±10%56mOhm130 @ 125kHz8A12A12MHz-20°C ~ 105°C3.48" L x 2.07" W x 0.14" H (88.50mm x 52.50mm x 3.50mm)
3,357
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RFQ
WR282840-37K2-LR3
TDK Corporation
1
$20.7100
Datasheet
Receiver1 Coil, 1 Layer46µH-1.25Ohm------
5,047
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RFQ
760308101302
Würth Elektronik
1
$21.3400
Datasheet
Transmitter1 Coil, 1 Layer5.3µH±10%33mOhm100 @ 125kHz8A10A27MHz-20°C ~ 105°C1.97" Dia x 0.19" H (50.0mm x 4.7mm)
5,166
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RFQ
760308102142
Würth Elektronik
1
$21.4000
Datasheet
Transmitter1 Coil, 2 Layer, Bifilar5.8µH±10%12mOhm Max100 @ 125kHz18A30A12MHz-20°C ~ 105°C2.10" L x 2.10" W x 0.26" H (53.3mm x 53.3mm x 6.5mm)
9,689
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RFQ
760308100143
Würth Elektronik
1
$21.4000
Datasheet
Transmitter1 Coil, 2 Layer6µH±10%18mOhm Max180 @ 125kHz12A24A16MHz-20°C ~ 105°C1.97" Dia x 0.26" H (50.0mm x 6.7mm)
4,945
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RFQ
760308102144
Würth Elektronik
1
$22.7300
Datasheet
Transmitter1 Coil, 2 Layer19.5µH±10%45mOhm Max220 @ 125kHz9.5A20A5MHz-20°C ~ 105°C2.10" L x 2.10" W x 0.28" H (53.30mm x 53.30mm x 7.00mm)
3,662
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RFQ
760308141
Würth Elektronik
1
$24.0400
Datasheet
Transmitter1 Coil, 2 Layer10µH±10%30mOhm Max140 @ 125kHz9A16A11MHz-20°C ~ 105°C2.10" L x 2.10" W x 0.26" H (53.3mm x 53.3mm x 6.5mm)
2,475
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RFQ
760308102306
Würth Elektronik
1
$17.0000
Datasheet
Receiver2 Coil, 1 Layer8µH, 1.4µH±10%400mOhm Max, 100mOhm Max19 @ 125kHz, 47 @ 125kHz2A, 5A5A, 5A17.5MHz, 19MHz-20°C ~ 105°C1.73" L x 1.73" W x 0.03" H (44.0mm x 44.0mm x 0.75mm)
9,388
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RFQ