What are Wireless Charging Coils ?
Wireless Charging Coils are specialized inductive components designed to enable wireless energy transfer between devices. They are widely used in applications such as consumer electronics, automotive charging systems, and medical devices. Important specifications for selection include Current Rating (Amps), which determines the maximum load the coil can handle; DC Resistance (DCR), which affects efficiency and heat generation; and Inductance, which influences the coil's ability to store energy. Ensuring compatibility with existing designs and validating lifecycle status are crucial for procurement teams.
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| Part & Mfr | Total Stock | Pricing & RFQ | Current | Current Rating (Amps) | DC Resistance (DCR) | Frequency | Function | Inductance | Operating Temperature | Q @ Freq | Size | Tolerance | Type | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
TDK Corporation
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2,688
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Price on request
2,688
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- | - | 70mOhm | - | Transmitter | 2.76µH | - | - | 0.98" Dia x 0.08" H (25.0mm x 2.1mm) | ±5% | 1 Coil, 1 Layer | |
TDK Corporation
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- | - | 220mOhm | - | Receiver | 11.9µH | - | - | 1.65" L x 1.65" W x 0.04" H (42.0mm x 42.0mm x 0.9mm) | - | 1 Coil, 1 Layer | |
Würth Elektronik
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1A | 400mA | 1.4Ohm Max | 14.5MHz | Receiver | 24.2µH | -20°C ~ 105°C | 13 @ 125kHz | 0.41" Dia x 0.07" H (10.3mm x 1.9mm) | ±10% | 1 Coil, 6 Layer | |
TDK Corporation
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- | - | 60mOhm | - | Transmitter | 10.5µH | - | - | 2.05" L x 2.05" W x 0.15" H (52.0mm x 52.0mm x 3.7mm) | - | 1 Coil, 1 Layer | |
Würth Elektronik
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8A | 3A | 180mOhm Max | 20MHz | Transmitter | 6.5µH | -20°C ~ 105°C | 35 @ 125kHz | 1.18" L x 1.18" W x 0.07" H (30.0mm x 30.0mm x 1.9mm) | ±10% | 1 Coil, 1 Layer | |
Würth Elektronik
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16A | 13A | 24mOhm Max | 20MHz | Transmitter | 6.3µH | -20°C ~ 105°C | 80 @ 125kHz | 2.10" L x 2.10" W x 0.24" H (53.3mm x 53.3mm x 6.0mm) | ±10% | 1 Coil, 2 Layer, Bifilar | |
TDK Corporation
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- | - | 260mOhm | - | Receiver | 8.23µH | - | - | 1.18" L x 1.17" W x 0.03" H (30.0mm x 29.6mm x 0.9mm) | ±5% | 1 Coil, 1 Layer | |
TDK Corporation
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- | - | 1.27Ohm Max | - | Receiver | 12.8µH | - | - | - | - | 1 Coil, 2 Layer | |
Vishay Dale
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- | 5A | 45mOhm Max | - | Transmitter | 6.3µH | -40°C ~ 85°C | 120 @ 100kHz | 1.97" Dia x 0.12" H (50.0mm x 3.0mm) | ±10% | 1 Coil, 1 Layer | |
TDK Corporation
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- | - | 520mOhm | - | Receiver | 9.9µH | - | - | 0.79" Dia x 0.02" H (20.0mm x 0.6mm) | - | 1 Coil, 1 Layer | |
TDK Corporation
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- | - | 500mOhm | - | Receiver | 27.1µH | - | - | 0.59" Dia x 0.10" H (15.0mm x 2.6mm) | - | 1 Coil, 4 Layer | |
TDK Corporation
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- | - | 170mOhm | - | Transmitter | 6.8µH | - | - | 0.60" Dia x 0.09" H (15.3mm x 2.2mm) | ±5% | 1 Coil, 2 Layer | |
TDK Corporation
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- | - | 80mOhm | - | Transmitter | 6.2µH | - | - | 0.80" Dia x 0.10" H (20.3mm x 2.7mm) | ±5% | 1 Coil, 2 Layer | |
TDK Corporation
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- | - | 410mOhm | - | Receiver | 12.3µH | - | - | 1.18" L x 1.16" W x 0.03" H (30.0mm x 29.6mm x 1.0mm) | - | 1 Coil, 2 Layer | |
TDK Corporation
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- | - | 1.21Ohm Max | - | Receiver | 27.9µH | - | - | - | - | 1 Coil, 2 Layer | |
Würth Elektronik
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8A | 3.5A | 200mOhm Max | 15MHz | Receiver | 10µH | -20°C ~ 105°C | 50 @ 125kHz | 1.46" L x 1.46" W x 0.07" H (37.0mm x 37.0mm x 1.8mm) | ±5% | 1 Coil, 1 Layer | |
TDK Corporation
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- | - | 200mOhm | - | Receiver | 13µH | - | - | 1.89" L x 1.27" W x 0.03" H (48.2mm x 32.2mm x 1.0mm) | - | 1 Coil, 1 Layer | |
TDK Corporation
|
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- | - | 200mOhm | - | Receiver | 13.3µH | - | - | 1.89" L x 1.27" W x 0.04" H (48.2mm x 32.2mm x 1.2mm) | - | 1 Coil, 1 Layer | |
TDK Corporation
|
Send RFQ |
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- | - | 60mOhm | - | Transmitter | 6.3µH | - | - | 2.02" Dia x 0.13" H (51.4mm x 3.4mm) | - | 1 Coil, 1 Layer | |
TDK Corporation
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- | - | 90mOhm | - | Transmitter | 6.3µH | - | - | 1.18" Dia x 0.08" H (30.0mm x 2.0mm) | ±5% | 1 Coil, 2 Layer | |
TDK Corporation
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- | - | 1Ohm | - | Receiver | 16.6µH | - | - | 0.43" Dia x 0.06" H (11.0mm x 1.5mm) | - | 1 Coil, 2 Layer | |
Würth Elektronik
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4A | 1A | 430mOhm | 11MHz | Receiver | 16.7µH | -20°C ~ 105°C | 32 @ 125kHz | 1.52" L x 1.20" W x 0.03" H (38.5mm x 30.5mm x 0.83mm) | ±10% | 1 Coil, 1 Layer | |
TDK Corporation
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- | - | 60mOhm | - | Transmitter | 6.3µH | - | - | 1.97" Dia x 0.15" H (50.0mm x 3.8mm) | - | 1 Coil, 1 Layer | |
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Vishay Dale
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- | - | - | - | - | - | - | - | - | - | - | |
TDK Corporation
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- | - | 165mOhm | - | Transmitter | 12.9µH | - | - | 0.97" Dia x 0.09" H (24.5mm x 2.4mm) | ±10% | 1 Coil, 2 Layer | |
TDK Corporation
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- | - | 100mOhm | - | Receiver | 15.8µH | - | 98 @ 100kHz | 2.13" L x 2.13" W x 0.09" H (54.0mm x 54.0mm x 2.4mm) | - | 1 Coil, 2 Layer | |
Würth Elektronik
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1.5A | 700mA | 750mOhm Max | 22MHz | Receiver | 11.8µH | -20°C ~ 105°C | 13 @ 125kHz | 0.59" Dia x 0.02" H (15.0mm x 0.6mm) | ±10% | 1 Coil, 1 Layer | |
Würth Elektronik
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2A | 1.1A | 520mOhm Max | 11MHz | Receiver | 26µH | -20°C ~ 105°C | 25 @ 125kHz | 0.75" Dia x 0.03" H (19.0mm x 0.8mm) | ±10% | 1 Coil, 3 Layer | |
Würth Elektronik
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2.5A | 1.1A | 340mOhm Max | 19MHz | Receiver | 12.6µH | -20°C ~ 105°C | 20 @ 125kHz | 0.67" Dia x 0.03" H (17.0mm x 0.8mm) | ±10% | 1 Coil, 3 Layer, Bifilar | |
Würth Elektronik
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2A | 700mA | 650mOhm Max | 24MHz | Receiver | 18µH | -20°C ~ 105°C | 18 @ 125kHz | 0.39" Dia x 0.07" H (10.0mm x 1.7mm) | ±10% | 1 Coil, 3 Layer | |
Würth Elektronik
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4A | 2.5A | 180mOhm | 16MHz | Receiver | 11µH | -20°C ~ 105°C | 30 @ 125kHz | 1.34" L x 1.04" W x 0.04" H (34.0mm x 26.5mm x 0.9mm) | ±10% | 1 Coil, 1 Layer, Bifilar | |
Würth Elektronik
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1A | 500mA | 440mOhm Max | 32MHz | Receiver | 7.2µH | -20°C ~ 105°C | 10 @ 125kHz | 0.24" Dia x 0.08" H (6.0mm x 2.0mm) | ±10% | 1 Coil, 6 Layer | |
TDK Corporation
|
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- | - | 350mOhm | - | Receiver | 11µH | - | - | 0.79" Dia x 0.03" H (20.0mm x 0.8mm) | ±5% | 1 Coil, 2 Layer | |
TDK Corporation
|
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- | - | 100mOhm | - | Transmitter | 24µH | - | - | 1.97" Dia x 0.15" H (50.0mm x 3.8mm) | - | 1 Coil, 2 Layer | |
Würth Elektronik
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2A | 0.8A | 400mOhm | 26MHz | Receiver | 13µH | -20°C ~ 105°C | 17 @ 125kHz | 0.39" Dia x 0.07" H (10.0mm x 1.7mm) | ±10% | 1 Coil, 3 Layer | |
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Vishay Dale
|
Send RFQ |
Price on request
Price and Stock
on Request Send RFQ |
- | - | - | - | - | - | - | - | - | - | - | |
Würth Elektronik
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3A | 1.5A | 460mOhm | 8MHz | Receiver | 47µH | -20°C ~ 105°C | 25 @ 125kHz | 1.02" L x 1.02" W x 0.05" H (26.0mm x 26.0mm x 1.3mm) | ±10% | 1 Coil, 3 Layer, Bifilar | |
Würth Elektronik
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6A | 2.5A | 125mOhm Max | 20MHz | Transmitter | 6.8µH | -20°C ~ 105°C | 42 @ 125kHz | 0.81" Dia x 0.10" H (20.5mm x 2.6mm) | ±10% | 1 Coil, 2 Layer | |
Würth Elektronik
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10A | 6A | 70mOhm | 5MHz | Transmitter | 24µH | -20°C ~ 105°C | 180 @ 125kHz | 1.97" Dia x 0.24" H (50.0mm x 6.0mm) | ±10% | 1 Coil, 2 Layer | |
Würth Elektronik
|
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10A | 6A | 100mOhm Max | 5MHz | Transmitter | 24µH | -20°C ~ 105°C | 180 @ 125kHz | 2.10" L x 2.10" W x 0.24" H (53.3mm x 53.3mm x 6.0mm) | ±10% | 1 Coil, 2 Layer | |
TDK Corporation
|
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- | 1.25A | - | - | Receiver | - | -30°C ~ 70°C | - | 3.02" L x 1.29" W x 0.07" H (76.7mm x 32.7mm x 1.8mm) | - | 1 Coil, 1 Layer, Bifilar | |
TDK Corporation
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- | - | 149mOhm Max | - | Transmitter | 10.6µH | -40°C ~ 85°C | - | 3.35" L x 2.64" W x 0.03" H (85.1mm x 67.0mm x 0.8mm) | ±0.5µH | 1 Coil, 2 Layer | |
TDK Corporation
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- | - | - | - | Transmitter | - | - | - | 3.43" L x 2.05" W x 0.197" H (87.0mm x 52.0mm x 5.0mm) | - | 1 Coil, 1 Layer | |
TDK Corporation
|
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- | - | 350mOhm | - | Receiver | 10.68µH | - | - | 0.79" Dia x 0.03" H (20.0mm x 0.8mm) | ±5% | 1 Coil, 2 Layer | |
TDK Corporation
|
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- | - | 310mOhm | - | Receiver | 13.9µH | - | 28 @ 100kHz | 1.51" L x 1.27" W x 0.03" H (38.4mm x 32.3mm x 0.9mm) | - | 1 Coil, 1 Layer | |
TDK Corporation
|
Send RFQ |
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- | - | 60mOhm | - | Transmitter | 6.3µH | - | - | 2.02" Dia x 0.13" H (51.4mm x 3.4mm) | - | 1 Coil, 1 Layer | |
TDK Corporation
|
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- | - | 700mOhm | - | Receiver | 19µH | - | - | 1.71" L x 1.56" W x 0.02" H (43.5mm x 39.5mm x 0.6mm) | - | 1 Coil, 1 Layer | |
TDK Corporation
|
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- | - | 110mOhm | - | Transmitter | 7.4µH | - | - | 1.12" Dia x 0.10" H (28.4mm x 2.4mm) | - | 1 Coil, 2 Layer | |
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Signal Transformer
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10A | 6A | 40mOhm Max | - | Transmitter | 6.3µH | -20°C ~ 85°C | - | 1.97" Dia x 0.12" H (50.0mm x 3.0mm) | ±10% | 1 Coil, 1 Layer | |
TDK Corporation
|
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- | - | 1.1Ohm Max | - | Receiver | 27µH | - | - | 0.87" Dia x 0.03" H (22.0mm x 0.9mm) | - | 1 Coil, 2 Layer |
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