Charging Coils
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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:- Smartphones and wearable technology
- Notebooks and tablets
- Power tools and service robots, such as vacuum cleaners
- Multicopters and electric toys
- Medical devices
- In-car charging
Manufacturer Part No | Order Code | Description / Manufacturer | Availability | Price For |
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Quantity | 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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WR444030-16F3-G
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2377530 |
Charging Coil, Wireless, WR, 19 µH, 0.7 ohm, 1 Coil, 1 Layer TDK
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1+ US$4.839 10+ US$3.099 25+ US$2.946 50+ US$2.794 100+ US$2.642 240+ US$2.578 1200+ US$2.527 2400+ US$2.502 More Pricing... |
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WR | 19µH | - | 0.7ohm | 1 Coil | 1 Layer | - | - | - | - | 44mm | 40mm | 0.62mm | Board Mount | -30°C | 70°C | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
760308103204
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2400024 |
Charging Coil, Wireless, WE-WPCC, 16.7 µH, ± 10%, 0.43 ohm, 1 Coil, 1 Layer WURTH ELEKTRONIK
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1+ US$5.918 3+ US$5.766 5+ US$5.613 10+ US$5.461 20+ US$4.864 50+ US$4.763 250+ US$4.674 500+ US$4.572 More Pricing... |
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WE-WPCC | 16.7µH | ± 10% | 0.43ohm | 1 Coil | 1 Layer | 4A | 11MHz | 32@125kHz | - | 30.5mm | 38.5mm | 0.85mm | Board Mount | -20°C | 105°C | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
760308101208
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2467264 |
Charging Coil, Wireless, WE-WPCC, 13 µH, ± 10%, 0.5 ohm, 1 Coil, 3 Layers WURTH ELEKTRONIK
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1+ US$11.341 10+ US$10.566 50+ US$10.084 100+ US$8.547 200+ US$7.379 360+ US$6.198 1800+ US$6.071 3600+ US$5.944 More Pricing... |
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WE-WPCC | 13µH | ± 10% | 0.5ohm | 1 Coil | 3 Layers | - | 26MHz | 17@125kHz | - | - | - | 1.68mm | Board Mount | -20°C | 105°C | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
WR301025-19M8-G
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2790529 |
Charging Coil, Receiver, WR, 12.8 µH, 1.27 ohm, 1 Coil, 2 Layers TDK
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1+ US$2.07 50+ US$1.372 100+ US$1.295 250+ US$1.21 500+ US$1.13 1584+ US$1.052 7920+ US$1.002 15840+ US$0.982 More Pricing... |
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WR | 12.8µH | - | 1.27ohm | 1 Coil | 2 Layers | - | - | - | - | 10mm | 30mm | 0.52mm | Board Mount | -30°C | 70°C | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
WR524825-17M6-NF-G
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2790533 |
Charging Coil, NFC Antenna Combo Rx, WR-NFC, 16.8 µH, 0.75 ohm, 1 Coil, 1 Layer TDK
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1+ US$6.566 5+ US$5.829 10+ US$5.093 25+ US$4.864 50+ US$4.623 |
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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 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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WR444025-17M6-G
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2790531 |
Charging Coil, Receiver, WR, 16.7 µH, 0.65 ohm, 1 Coil, 1 Layer TDK
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1+ US$4.991 50+ US$4.14 100+ US$3.785 250+ US$3.696 500+ US$3.594 |
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WR | 16.7µH | - | 0.65ohm | 1 Coil | 1 Layer | - | - | - | - | 44mm | 40mm | 0.52mm | Board Mount | -30°C | 70°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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146179-8021
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2913968 |
Charging Coil, PowerLife 146179, 4 µH, ± 2%, 0.235 ohm, 1 Coil, 1 Layer MOLEX
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PowerLife 146179 | 4µH | ± 2% | 0.235ohm | 1 Coil | 1 Layer | - | - | 115@6.78MHz | - | - | - | 0.685mm | Board Mount | - | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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760308101
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2114371 |
Charging Coil, Wireless, WE-WPCC, 24 µH, ± 10%, 0.1 ohm, 1 Coil, 1 Layer WURTH ELEKTRONIK
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WE-WPCC | 24µH | ± 10% | 0.1ohm | 1 Coil | 1 Layer | 10A | 6MHz | 90@125kHz | - | 53.3mm | 53.3mm | 6mm | Board Mount | -20°C | 105°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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760308100110
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2424068 |
Charging Coil, Wireless, WE-WPCC, 24 µH, ± 10%, 0.1 ohm, 1 Coil, 1 Layer WURTH ELEKTRONIK
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1+ US$14.249 2+ US$12.471 3+ US$12.129 5+ US$11.773 10+ US$11.43 20+ US$10.998 50+ US$10.579 100+ US$10.147 More Pricing... |
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WE-WPCC | 24µH | ± 10% | 0.1ohm | 1 Coil | 1 Layer | 10A | 5MHz | 180@125kHz | - | - | - | 6mm | Board Mount | -20°C | 105°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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WT303012-12F2-ID
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2790523 |
Charging Coil, Transmitter, WT, 6.3 µH, ± 5%, 0.115 ohm, 1 Coil, 2 Layers TDK
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1+ US$3.658 10+ US$2.553 50+ US$2.502 100+ US$2.451 200+ US$2.40 420+ US$2.35 2100+ US$2.299 4200+ US$2.248 More Pricing... |
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WT | 6.3µH | ± 5% | 0.115ohm | 1 Coil | 2 Layers | - | - | - | - | - | - | 2.15mm | Board Mount | -30°C | 70°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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IWTX5050CZEB6R3KF1
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3263655 |
Charging Coil, IWTX Series, 6.3 µH, ± 10%, 0.045 ohm, 1 Coil, 2 Layers VISHAY
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1+ US$2.235 10+ US$2.083 50+ US$1.943 100+ US$1.791 200+ US$1.499 320+ US$1.212 1600+ US$1.166 3200+ US$1.13 More Pricing... |
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IWTX Series | 6.3µH | ± 10% | 0.045ohm | 1 Coil | 2 Layers | - | - | 120@100kHz | - | 50mm | 50mm | 3mm | Board Mount | -40°C | 85°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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IWAS3010AZEB130KF1
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3263651 |
Charging Coil, IWAS Series, 13 µH, ± 10%, 0.78 ohm, 1 Coil, 1 Layer VISHAY
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1+ US$1.753 50+ US$1.715 100+ US$1.664 250+ US$1.549 500+ US$1.461 1080+ US$1.359 5400+ US$1.334 10800+ US$1.308 More Pricing... |
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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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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760308101216
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2543254 |
Charging Coil, Wireless, WE-WPCC, 7.2 µH, ± 10%, 0.44 ohm, 1 Coil, 6 Layers WURTH ELEKTRONIK
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1+ US$9.639 5+ US$9.081 10+ US$8.509 20+ US$8.052 40+ US$7.607 60+ US$7.163 300+ US$7.15 600+ US$7.137 More Pricing... |
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WE-WPCC | 7.2µH | ± 10% | 0.44ohm | 1 Coil | 6 Layers | - | 32MHz | 10@125kHz | - | - | - | 2mm | Board Mount | -20°C | 105°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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760308101105
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2965266 |
Charging Coil, WE-WPCC, 3.3 µH, ± 10%, 0.09 ohm, 1 Coil, 1 Layer WURTH ELEKTRONIK
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1+ US$10.706 5+ US$10.312 10+ US$9.919 20+ US$9.474 40+ US$9.017 66+ US$7.442 330+ US$7.29 660+ US$7.15 More Pricing... |
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WE-WPCC | 3.3µH | ± 10% | 0.09ohm | 1 Coil | 1 Layer | 6A | 20MHz | 30@125kHz | - | - | - | 2.8mm | Board Mount | -20°C | 105°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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IWTX5050DZEB6R3KF1
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3263657 |
Charging Coil, IWTX Series, 6.3 µH, ± 10%, 0.025 ohm, 1 Coil, 2 Layers VISHAY
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1+ US$1.905 10+ US$1.867 50+ US$1.829 100+ US$1.791 200+ US$1.74 320+ US$1.575 1600+ US$1.549 3200+ US$1.511 More Pricing... |
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IWTX Series | 6.3µH | ± 10% | 0.025ohm | 1 Coil | 2 Layers | - | - | 90@100kHz | - | 50mm | 50mm | 4mm | Board Mount | -40°C | 85°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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IWTX50R0DZEB6R3KF1
![]() |
3263660 |
Charging Coil, IWTX Series, 6.3 µH, ± 10%, 0.025 ohm, 1 Coil, 2 Layers VISHAY
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1+ US$3.099 10+ US$1.918 50+ US$1.854 100+ US$1.791 200+ US$1.638 648+ US$1.575 3240+ US$1.537 6480+ US$1.511 More Pricing... |
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IWTX Series | 6.3µH | ± 10% | 0.025ohm | 1 Coil | 2 Layers | - | - | 90@100kHz | - | - | - | 4mm | Board Mount | -40°C | 85°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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IWTX5050FEEB100KF1
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3263658 |
Charging Coil, IWTX Series, 10 µH, ± 10%, 0.0297 ohm, 1 Coil, 2 Layers VISHAY
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1+ US$5.423 5+ US$5.055 10+ US$4.674 25+ US$4.013 50+ US$3.34 160+ US$3.048 800+ US$2.756 1600+ US$2.705 More Pricing... |
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IWTX Series | 10µH | ± 10% | 0.0297ohm | 1 Coil | 2 Layers | - | - | 200@100kHz | - | 50mm | 50mm | 6.5mm | Board Mount | -40°C | 85°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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AWCCA-RX350300-101
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2709585 |
Charging Coil, Compatible w/ Semtech 19V/20W Dual Mode TSDMRX chipset, AWCCA, 25 µH, ± 10% ABRACON
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1+ US$3.023 10+ US$2.464 25+ US$2.261 50+ US$2.07 100+ US$1.867 300+ US$1.549 1500+ US$1.524 3000+ US$1.486 More Pricing... |
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AWCCA | 25µH | ± 10% | 0.17ohm | 1 Coil | 2 Layers | - | - | 85@100kHz | - | - | - | 3mm | Board Mount | -25°C | 85°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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146179-4001
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2913964 |
Charging Coil, PowerLife 146179, 8.9 µH, ± 2%, 0.35 ohm, 2 Coils, 1 Layer MOLEX
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PowerLife 146179 | 8.9µH | ± 2% | 0.35ohm | 2 Coils | 1 Layer | - | - | 25@200kHz | - | 65.5mm | 48.4mm | 0.57mm | Board Mount | - | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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WR483245-15F5-G
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2377528 |
Charging Coil, Wireless, WR, 13 µH, 0.2 ohm, 1 Coil, 1 Layer TDK
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1+ US$5.715 5+ US$4.509 10+ US$3.302 25+ US$3.226 50+ US$3.15 192+ US$2.883 960+ US$2.845 1920+ US$2.794 More Pricing... |
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WR | 13µH | - | 0.2ohm | 1 Coil | 1 Layer | - | - | - | - | 32.5mm | 48.5mm | 1mm | Board Mount | -30°C | 70°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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WR303050-15F5-G
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2377529 |
Charging Coil, Wireless, WR, 12.3 µH, 0.41 ohm, 1 Coil, 1 Layer TDK
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1+ US$5.258 10+ US$2.997 25+ US$2.858 50+ US$2.731 100+ US$2.591 288+ US$2.375 1440+ US$2.337 2880+ US$2.299 More Pricing... |
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WR | 12.3µH | - | 0.41ohm | 1 Coil | 1 Layer | - | - | - | - | 30mm | 30.4mm | 0.92mm | Board Mount | -30°C | 70°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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WR483265-15F5-G
![]() |
2377527 |
Charging Coil, Receiving, Wireless, WR, 13.3 µH, 0.2 ohm, 1 Coil, 1 Layer TDK
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1+ US$5.944 5+ US$4.686 10+ US$3.429 25+ US$3.378 50+ US$3.315 192+ US$2.997 960+ US$2.946 1920+ US$2.896 More Pricing... |
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WR | 13.3µH | - | 0.2ohm | 1 Coil | 1 Layer | - | - | - | - | 32.5mm | 48.5mm | 1.25mm | Board Mount | -30°C | 70°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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760308103205
![]() |
2467268 |
Charging Coil, Wireless, WE-WPCC, 11 µH, ± 10%, 0.2 ohm, 1 Coil, 1 Layer WURTH ELEKTRONIK
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1+ US$9.576 5+ US$9.284 10+ US$8.979 20+ US$8.687 40+ US$8.382 96+ US$6.134 480+ US$5.156 960+ US$5.055 More Pricing... |
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WE-WPCC | 11µH | ± 10% | 0.2ohm | 1 Coil | 1 Layer | - | 16MHz | 30@125kHz | - | 26.5mm | 34mm | 0.89mm | Board Mount | -20°C | 105°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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760308103206
![]() |
2467269 |
Charging Coil, Wireless, WE-WPCC, 7.5 µH, ± 10%, 0.38 ohm, 1 Coil, 1 Layer WURTH ELEKTRONIK
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WE-WPCC | 7.5µH | ± 10% | 0.38ohm | 1 Coil | 1 Layer | - | 23MHz | 16@125kHz | - | 15.7mm | 28.9mm | 0.76mm | Board Mount | -20°C | 105°C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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WT151512-22F2-ID
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2790521 |
Charging Coil, Transmitter, WT, 6.8 µH, ± 5%, 0.18 ohm, 1 Coil, 2 Layers TDK
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1+ US$3.747 10+ US$3.404 50+ US$2.324 200+ US$2.184 400+ US$2.121 720+ US$1.905 3600+ US$1.803 7200+ US$1.765 More Pricing... |
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WT | 6.8µH | ± 5% | 0.18ohm | 1 Coil | 2 Layers | - | - | - | - | - | - | 2.42mm | Board Mount | -30°C | 70°C |