Charging Coils

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Our range of wireless charging coils includes one coil, two coil and three coil devices, with inductance from 2.5µH to 47µH.

Wireless charging coils are electronic components at the core of wireless charging technology; an approach which allows battery-operated mobile and portable devices to be recharged without need for cables or plugging in.

Broadly, there are three types of wireless charging. There are charging pads that use tightly coupled electromagnetic inductive or non-radiative charging; charging bowls or through-surface type chargers that use loosely coupled or radiative electromagnetic resonant charging that can transmit a charge a few centimetres; and uncoupled radio frequency (RF) wireless charging that allows a trickle charging capability at distances of many feet.

Both tightly coupled inductive and loosely coupled resonant charging operate on the same principle of physics: a time-varying magnetic field induces a current in a closed loop of wire.

Qi wireless charging coils are important because they comply with the Qi charging standard. This is not the only wireless charging method available, but it's the first one that is supported by two of the largest and most-influential smartphone makers: Samsung and Apple.

Applications of wireless charging coils

Wireless charging is currently being used in many applications including:
  1. Smartphones and wearable technology
  2. Notebooks and tablets
  3. Power tools and service robots, such as vacuum cleaners
  4. Multicopters and electric toys
  5. Medical devices
  6. In-car charging
 
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Product Range Inductance Inductance Tolerance DC Resistance Max No. of Coils No. of Layers Saturation Current (Isat) Self Resonant Frequency Quality Factor AC Current Rating Product Length Product Width Product Height Inductor Mounting Operating Temperature Min Operating Temperature Max
 
 
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WR303050-15F5-G
WR303050-15F5-G - CHARGING COIL, 12.3UH

28X9841

CHARGING COIL, 12.3UH

TDK

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WR 12.3µH - 0.41ohm 1 Coil 1 Layer - - - - 30mm 30.4mm 0.92mm Board Mount -30°C 70°C
WR221230-36M8-G
WR221230-36M8-G - CHARGING COIL, 27.9UH, 5%, 22 X 12MM, RX

42AC1208

CHARGING COIL, 27.9UH, 5%, 22 X 12MM, RX

TDK

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WR 27.9µH ± 5% 1.21ohm 1 Coil 2 Layers - - - - 22mm 12mm 0.87mm Board Mount -30°C 70°C
146179-8021
146179-8021 - WIRELESS CHARGING COIL, 4UH, 2%, RX

70AC8168

WIRELESS CHARGING COIL, 4UH, 2%, RX

MOLEX

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0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
WR222230-26M8-G
WR222230-26M8-G - CHARGING COIL, 27UH, 22MM DIA, RX

42AC1209

CHARGING COIL, 27UH, 22MM DIA, RX

TDK

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WR 27µH - 1.1ohm 1 Coil 2 Layers - - - - - - 0.87mm Board Mount -30°C 70°C
IWTX50R0DZEB6R3KF1
IWTX50R0DZEB6R3KF1 - CHARGING COIL, 6.3UH, 10% ROHS COMPLIANT: YES

52AH6133

CHARGING COIL, 6.3UH, 10% ROHS COMPLIANT: YES

VISHAY

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IWTX Series 6.3µH ± 10% 0.025ohm 1 Coil 2 Layers - - 90@100kHz - - - 4mm Board Mount -40°C 85°C
SWC4242KB120-100
SWC4242KB120-100 - WIRELESS CHARGING COIL, 12.5UH, 10% ROHS COMPLIANT: YES

59Y7857

WIRELESS CHARGING COIL, 12.5UH, 10% ROHS COMPLIANT: YES

LAIRD

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SWC 12.5µH ± 10% 0.24ohm 1 Coil 1 Layer - - 20@100kHz - 42mm 42mm 0.7mm Board Mount -40°C 85°C
AWCCA-RX350300-101
AWCCA-RX350300-101 - CHARGING COIL, 25UH, 10%, 3.15X35MM DIA

12AC7582

CHARGING COIL, 25UH, 10%, 3.15X35MM DIA

ABRACON

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0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 85°C
WT303012-12F2-ID
WT303012-12F2-ID - CHARGING COIL, 6.3UH, 5%, 30MM DIA, TX

42AC1218

CHARGING COIL, 6.3UH, 5%, 30MM DIA, TX

TDK

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0 0 0 0 0 0 0 0 0 0 0 0 0 0 -30°C 0
WR524830-16F3-NF-G
WR524830-16F3-NF-G - CHARGING COIL, 19.5UH, NFC ANTENNA RX

42AC1214

CHARGING COIL, 19.5UH, NFC ANTENNA RX

TDK

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WR-NFC 19.5µH - 0.8ohm 1 Coil 1 Layer - - - - 52.5mm 48.5mm 0.62mm Board Mount -30°C 70°C
760308101208
760308101208 - Charging Coil, Wireless, WE-WPCC Series, 13 µH, ± 10%, 0.5 ohm, 1 Coil, 3 Layers

59Y8323

Charging Coil, Wireless, WE-WPCC Series, 13 µH, ± 10%, 0.5 ohm, 1 Coil, 3 Layers

WURTH ELEKTRONIK

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WE-WPCC Series 13µH ± 10% 0.5ohm 1 Coil 3 Layers - 26MHz 17@125kHz - - - 1.68mm Board Mount -20°C 105°C
WR301025-19M8-G
WR301025-19M8-G - CHARGING COIL, 12.8UH, 30MM X 10MM, RX

42AC1210

CHARGING COIL, 12.8UH, 30MM X 10MM, RX

TDK

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0 0 0 0 0 0 0 0 0 0 0 0 0 0 -30°C 0
WR524825-17M6-NF-G
WR524825-17M6-NF-G - CHARGING COIL, 16.8UH, NFC ANTENNA RX

42AC1213

CHARGING COIL, 16.8UH, NFC ANTENNA RX

TDK

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WR-NFC 16.8µH - 0.75ohm 1 Coil 1 Layer - - - - 52.5mm 48.5mm 0.52mm Board Mount -30°C 70°C
IWAS3010AZEB130KF1
IWAS3010AZEB130KF1 - CHARGING COIL, 13UH, 10% ROHS COMPLIANT: YES

41AH2955

CHARGING COIL, 13UH, 10% ROHS COMPLIANT: YES

VISHAY

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IWAS Series 13µH ± 10% 0.78ohm 1 Coil 1 Layer - - 11@100kHz - 10mm 30mm 1mm Board Mount -40°C 85°C
760308101303
760308101303 - Charging Coil, Wireless, WE-WPCC Series, 47 µH, ± 10%, 0.5 ohm, 1 Coil, 3 Layers

59Y8325

Charging Coil, Wireless, WE-WPCC Series, 47 µH, ± 10%, 0.5 ohm, 1 Coil, 3 Layers

WURTH ELEKTRONIK

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WE-WPCC Series 47µH ± 10% 0.5ohm 1 Coil 3 Layers - 8MHz 25@125kHz - - - 1.31mm Board Mount -20°C 105°C
760308103204
760308103204 - Charging Coil, Wireless, WE-WPCC Series, 16.7 µH, ± 10%, 0.43 ohm, 1 Coil, 1 Layer

55X2265

Charging Coil, Wireless, WE-WPCC Series, 16.7 µH, ± 10%, 0.43 ohm, 1 Coil, 1 Layer

WURTH ELEKTRONIK

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WE-WPCC Series 16.7µH ± 10% 0.43ohm 1 Coil 1 Layer - 11MHz 32@125kHz - 30.5mm 38.5mm 0.85mm Board Mount -20°C 105°C
760308105309
760308105309 - CHARGING COIL, 10UH, 10% ROHS COMPLIANT: YES

82AC4636

CHARGING COIL, 10UH, 10% ROHS COMPLIANT: YES

WURTH ELEKTRONIK

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WE-WPCC 10µH ± 10% 0.45ohm 1 Coil 1 Layer - 18.5MHz 19@125kHz - - - 0.49mm Board Mount -20°C 105°C
WT202012-15F2-ID
WT202012-15F2-ID - CHARGING COIL, 6.2UH, 5%, 20.3MM DIA, TX

42AC1217

CHARGING COIL, 6.2UH, 5%, 20.3MM DIA, TX

TDK

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0 0 0 0 0 0 0 0 0 0 0 0 0 0 -30°C 0
WT151512-22F2-ID
WT151512-22F2-ID - CHARGING COIL, 6.8UH, 5%, 15.3MM DIA, TX

42AC1216

CHARGING COIL, 6.8UH, 5%, 15.3MM DIA, TX

TDK

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0 0 0 0 0 0 0 0 0 0 0 0 0 0 -30°C 0
IWAS4832AEEB120KF1
IWAS4832AEEB120KF1 - CHARGING COIL, 12UH, 10% ROHS COMPLIANT: YES

41AH2957

CHARGING COIL, 12UH, 10% ROHS COMPLIANT: YES

VISHAY

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IWAS Series 12µH ± 10% 0.2ohm 1 Coil 1 Layer - - 33@100kHz - 32mm 48mm 1.5mm Board Mount -40°C 85°C
WT505090-20K2-A10-G
WT505090-20K2-A10-G - WIRELESS POWER TRANSFER, 24UH, 5W, 19V ROHS COMPLIANT: YES

38AJ4476

WIRELESS POWER TRANSFER, 24UH, 5W, 19V ROHS COMPLIANT: YES

TDK

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WT 24µH - 0.1ohm 1 Coil 2 Layers - - - - - - 3.81mm Board Mount -30°C 70°C
760308103205
760308103205 - Charging Coil, Wireless, WE-WPCC Series, 11 µH, ± 10%, 0.2 ohm, 1 Coil, 1 Layer

59Y8330

Charging Coil, Wireless, WE-WPCC Series, 11 µH, ± 10%, 0.2 ohm, 1 Coil, 1 Layer

WURTH ELEKTRONIK

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WE-WPCC Series 11µH ± 10% 0.2ohm 1 Coil 1 Layer - 16MHz 30@125kHz - 26.5mm 34mm 0.89mm Board Mount -20°C 105°C
WR483245-15F5-G
WR483245-15F5-G - CHARGING COIL, 13UH

28X9848

CHARGING COIL, 13UH

TDK

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WR 13µH - 0.2ohm 1 Coil 1 Layer - - - - 32.5mm 48.5mm 1mm Board Mount -30°C 70°C
760308101219
760308101219 - POWER CHARGE RECEIVER COIL, 11.8UH, 10% ROHS COMPLIANT: YES

38AJ2722

POWER CHARGE RECEIVER COIL, 11.8UH, 10% ROHS COMPLIANT: YES

WURTH ELEKTRONIK

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WE-WPCC 11.8µH ± 10% 0.75ohm 1 Coil 1 Layer - 22MHz 13@125kHz - - - 0.6mm Board Mount -20°C 105°C
IWAS3222CZEB190JF1
IWAS3222CZEB190JF1 - WIRELESS CHARGING RECEIVE COIL, 19UH, 5% ROHS COMPLIANT: YES

92AH8424

WIRELESS CHARGING RECEIVE COIL, 19UH, 5% ROHS COMPLIANT: YES

VISHAY

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IWAS Series 19µH ± 5% 0.357ohm 1 Coil 1 Layer 2.4A - 28.5@200kHz - 22mm 32mm 3mm Board Mount -40°C 105°C
IWTX47R0DAEB6R3JF1
IWTX47R0DAEB6R3JF1 - WIRELESS CHARGING TX COIL, 6.3UH, 5% ROHS COMPLIANT: YES

92AH8429

WIRELESS CHARGING TX COIL, 6.3UH, 5% ROHS COMPLIANT: YES

VISHAY

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IWTX Series 6.3µH ± 5% 0.04ohm 1 Coil 1 Layer 22A - 190@200kHz 7A - - 4.2mm Board Mount -40°C 105°C