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 | |
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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 0.14" H (50.0mm x 3.5mm) | ±10% | 1 Coil, 1 Layer | |
TDK Corporation
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- | - | 650mOhm | - | Receiver | 16.7µH | - | - | 1.71" L x 1.56" W x 0.02" H (43.5mm x 39.5mm x 0.5mm) | - | 1 Coil, 1 Layer | |
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TDK Corporation
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TDK Corporation
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- | - | 50mOhm | - | Transmitter | 7.5µH, 8.5µH | - | - | 4.01" L x 2.26" W x 0.18" H (101.8mm x 57.3mm x 4.7mm) | - | 3 Coil, 1 Layer | |
TDK Corporation
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- | - | 270mOhm | - | Receiver | 10.1µH | - | - | 1.90" L x 1.27" W x 0.05" H (48.2mm x 32.2mm x 1.3mm) | - | 1 Coil, 1 Layer | |
TDK Corporation
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- | - | 60mOhm | - | Transmitter | 8.9µH | - | 104 @ 100kHz | 2.13" L x 2.13" W x 0.13" H (54.0mm x 54.0mm x 3.3mm) | - | 1 Coil, 2 Layer | |
Signal Transformer
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10A | 6A | 85mOhm Max | - | Transmitter | 24µH | -20°C ~ 85°C | - | 1.97" Dia x 0.16" H (50.0mm x 4.0mm) | ±10% | 1 Coil, 2 Layer | |
TDK Corporation
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- | - | 80mOhm | - | Transmitter | 11.5 ~ 12.5µH | - | - | 3.94" L x 2.20" W x 0.19" H (100.0mm x 56mm x 4.8mm) | - | 3 Coil, 1 Layer | |
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Vishay Dale
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- | 10A | 25mOhm Max | - | Transmitter | 6.3µH | -40°C ~ 85°C | 90 @ 100kHz | 1.97" Dia x 0.16" H (50.0mm x 4.0mm) | ±10% | 1 Coil, 1 Layer | |
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Vishay Dale
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- | 10A | 25mOhm Max | - | Transmitter | 6.3µH | -40°C ~ 85°C | 90 @ 100kHz | 1.97" Dia x 0.16" H (50.0mm x 4.0mm) | ±10% | 1 Coil, 1 Layer | |
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Vishay Dale
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Vishay Dale
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- | - | 185mOhm | - | Receiver | 10.65µH | -40°C ~ 105°C | 30 @ 200kHz | 1.50" L x 1.05" W x 0.07" H (38.1mm x 26.7mm x 1.7mm) | ±5% | 1 Coil, 1 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 | |
Molex
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- | - | 245mOhm | - | Receiver | 2.6µH | - | 90 @ 6.78MHz | 1.04" Dia x 0.02" H (26.5mm x 0.5mm) | ±2% | 1 Coil, 1 Layer | |
Laird Technologies
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- | - | 50mOhm Max | - | Transmitter | 6.5µH | -40°C ~ 125°C | 70 @ 100kHz | 1.97" Dia x 0.12" H (50.0mm x 3.0mm) | ±10% | 1 Coil, 1 Layer | |
Laird Technologies
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- | - | 65mOhm Max | - | Transmitter | 12.5µH | -40°C ~ 125°C | 90 @ 100kHz | 2.173" L x 1.858" W x 0.118" H (55.20mm x 47.20mm x 3.00mm) | ±10% | 1 Coil, 1 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 | |
Molex
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- | - | 120mOhm | - | Receiver | 2.9µH | - | 160 @ 6.78MHz | 2.24" L x 2.86" W x 0.04" H (56.8mm x 72.8mm x 1.0mm) | ±2% | 1 Coil, 1 Layer | |
Molex
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- | - | 350mOhm | - | Receiver | 8.9µH | - | 25 @ 200kHz | 2.58" L x 1.91" W x 0.02" H (65.5mm x 48.4mm x 0.5mm) | ±2% | 2 Coil, 1 Layer | |
TDK Corporation
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- | - | 60mOhm Max | - | Transmitter | 6.3µH | -30°C ~ 70°C | 70 @ 100kHz | 1.97" Dia x 0.13" H (50.0mm x 3.4mm) | ±10% | 1 Coil, 1 Layer | |
Würth Elektronik
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10A | 5A | 60mOhm | 16MHz | Receiver | 8µH | -20°C ~ 105°C | 30 @ 125kHz | 1.57" L x 1.57" W x 0.05" H (40mm x 40mm x 1.2mm) | ±10% | 1 Coil, 1 Layer, Bifilar | |
TDK Corporation
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- | - | 950mOhm | - | Receiver | 8.32µH | - | - | 0.47" Dia x 0.01" H (12.0mm x 0.3mm) | ±5% | 1 Coil, 1 Layer | |
TDK Corporation
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- | - | 1.34Ohm | - | Receiver | 31.8µH | - | - | 0.43" Dia x 0.07" H (11.0mm x 1.7mm) | ±5% | 1 Coil, 3 Layer | |
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Vishay Dale
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TDK Corporation
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- | - | 300mOhm | - | Transmitter | 20.9µH | - | - | 0.79" Dia x 0.11" H (20.0mm x 2.7mm) | - | 1 Coil, 4 Layer | |
Würth Elektronik
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3A | 1.5A | 450mOhm | 18.5MHz | Receiver | 10.5µH | -20°C ~ 105°C | 19 @ 125kHz | 1.035" Dia x 0.019" H (26.30mm x 0.49mm) | ±10% | 1 Coil, 1 Layer | |
Würth Elektronik
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3A | 1.55A | 340mOhm | 23MHz | Receiver | 7.5µH | -20°C ~ 105°C | 16 @ 125kHz | 1.10" L x 0.59" W x 0.03" H (28.0mm x 15.0mm x 0.7mm) | ±10% | 1 Coil, 1 Layer | |
Würth Elektronik
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- | 21A | 14mOhm | 13MHz | Transmitter | 5.8µH | -20°C ~ 105°C | 220 @ 125kHz | 2.76" Dia x 0.33" H (70.0mm x 8.5mm) | ±10% | 1 Coil, 1 Layer | |
Würth Elektronik
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8A | 3A | 190mOhm Max | 8.8MHz | Receiver | 14.3µH | -20°C ~ 105°C | 40 @ 125kHz | 1.89" L x 1.26" W x 0.04" H (48.0mm x 32.0mm x 1.0mm) | ±10% | 1 Coil, 1 Layer | |
Würth Elektronik
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8A | 2.5A | 90mOhm | 38MHz | Transmitter | 2.5µH | -20°C ~ 105°C | 30 @ 125kHz | 0.807" Dia x 0.110" H (20.50mm x 2.80mm) | ±10% | 1 Coil, 1 Layer | |
Würth Elektronik
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6A | 3A | 180mOhm Max | 22MHz | Receiver | 7.5µH | -20°C ~ 105°C | 45 @ 125kHz | 1.46" L x 1.46" W x 0.07" H (37.0mm x 37.0mm x 1.8mm) | ±10% | 1 Coil, 1 Layer | |
Würth Elektronik
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8A | 2A | 315mOhm | 7.5MHz | Transmitter | 24µH | -20°C ~ 105°C | 55 @ 125kHz | 1.220" Dia x 0.098" H (31.00mm x 2.50mm) | ±10% | 1 Coil, 1 Layer | |
Signal Transformer
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10A | 8A | 60mOhm Max, 65mOhm Max | - | Transmitter | 9.8µH, 10.2µH, 9.8µH | -20°C ~ 85°C | - | 3.98" L x 2.24" W x 0.16" H (101.0mm x 57.0mm x 4.0mm) | ±10% | 3 Coil, 1 Layer | |
Würth Elektronik
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12A | 7A | 72mOhm Max | 16MHz | Transmitter | 12µH | -20°C ~ 105°C | 120 @ 125kHz | 2.34" L x 2.05" W x 0.15" H (59.5mm x 52.0mm x 4.0mm) | ±10% | 1 Coil, 1 Layer | |
Würth Elektronik
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16A | 9A | 30mOhm Max | 11MHz | Transmitter | 10µH | -20°C ~ 105°C | 220 @ 125kHz | 1.97" Dia x 0.20" H (50.0mm x 5.0mm) | ±10% | 1 Coil, 2 Layer | |
Würth Elektronik
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30A | 18A | 12mOhm Max | 12MHz | Transmitter | 5.8µH | -20°C ~ 105°C | 100 @ 125kHz | 2.10" L x 2.10" W x 0.26" H (53.3mm x 53.3mm x 6.5mm) | ±10% | 1 Coil, 2 Layer, Bifilar | |
Würth Elektronik
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18A | 9A, 10A, 9A | 56mOhm Max | 11MHz | Transmitter | 8.5µH, 7.5µH, 8.5µH | -20°C ~ 105°C | 145 @ 125kHz, 130 @ 125kHz, 145 @ 125kHz | 3.94" L x 2.01" W x 0.20" H (100.0mm x 51.0mm x 5.2mm) | ±10% | 3 Coil, 1 Layer | |
Würth Elektronik
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18A | 9A | 55mOhm | 8MHz | Transmitter | 10.2µH, 9.8µH, 10.2µH | -20°C ~ 105°C | 110 @ 125kHz | 4.17" L x 2.24" W x 0.17" H (106.0mm x 57.0mm x 4.2mm) | ±10% | 3 Coil, 1 Layer | |
Würth Elektronik
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16A | 9A | 30mOhm Max | 11MHz | Transmitter | 10µH | -20°C ~ 105°C | 180 @ 125kHz | 1.97" L x 1.89" W x 0.24" H (50.0mm x 48.0mm x 6.0mm) | ±10% | 1 Coil, 2 Layer | |
Würth Elektronik
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16A | 9A | 30mOhm Max | 11MHz | Transmitter | 10µH | -20°C ~ 105°C | 140 @ 125kHz | 2.10" L x 2.10" W x 0.26" H (53.3mm x 53.3mm x 6.5mm) | ±10% | 1 Coil, 2 Layer | |
TDK Corporation
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- | - | 750mOhm | - | Receiver | 16.8µH | - | - | 2.05" L x 1.89" W x 0.02" H (52.0mm x 48.0mm x 0.5mm) | - | 1 Coil, 1 Layer | |
TDK Corporation
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- | - | 800mOhm | - | Receiver | 19.5µH | - | - | 2.05" L x 1.89" W x 0.02" H (52.0mm x 48.0mm x 0.6mm) | - | 1 Coil, 1 Layer | |
Würth Elektronik
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16A | 13A | 24mOhm Max | 20MHz | Transmitter | 6.3µH | -20°C ~ 105°C | 55 @ 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 | |
Signal Transformer
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10A | 7A | 65mOhm Max | - | Transmitter | 11.5µH, 12.5µH | -20°C ~ 85°C | - | 3.70" L x 2.13" W x 0.16" H (94.0mm x 54.0mm x 4.0mm) | ±10% | 3 Coil, 1 Layer | |
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Signal Transformer
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10A | 7A | 65mOhm Max | - | Transmitter | 11.5µH, 12.5µH | -20°C ~ 85°C | - | 3.94" L x 2.17" W x 0.16" H (100.0mm x 55.0mm x 4.0mm) | ±10% | 3 Coil, 1 Layer | |
TDK Corporation
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- | - | 100mOhm Max | - | Transmitter | 24µH | -30°C ~ 70°C | 80 @ 100kHz | 1.97" Dia x 0.13" H (50.0mm x 3.4mm) | ±10% | 1 Coil, 2 Layer | |
Würth Elektronik
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24A | 8.5A | 83mOhm Max | 10MHz | Transmitter | 11.3µH | -20°C ~ 105°C | 150 @ 125kHz, 145 @ 125kHz | 4.29" L x 2.20" W x 0.20" H (109.0mm x 56.0mm x 5.2mm) | ±10% | 3 Coil, 1 Layer | |
Würth Elektronik
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20A | 8.5A | 52mOhm Max | 15MHz, 19MHz | Receiver, Transmitter | 6.9µH, 6.4µH | -20°C ~ 105°C | 120 @ 125kHz, 115 @ 125kHz | 2.80" L x 2.40" W x 0.16" H (71.0mm x 61.0mm x 4.0mm) | ±10% | 2 Coil, 1 Layer | |
Würth Elektronik
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10A | 10A | 65mOhm | - | Transmitter | 12.5µH, 11.5µH, 12.5µH | - | 140 @ 125kHz | 5.12" L x 0.28" W x 2.15" H (130.0mm x 7.0mm x 54.7mm) | - | 3 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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