Charging Coil Arrays

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Our charging coil arrays include both two and three coil devices, with inductances from 6.4µH to 12.5µH.

The batteries used in wireless devices like mobile phones, PDAs, headsets and laptops need frequent recharging from an electricity mains source. Replacing the traditional charging cable with a contactless charging arrangement would greatly increase these devices’ convenience and mobility – and this can be done through inductive coupling.

A wireless power array using inductive coupling can be built using PCB mounting coreless coils. These are flat, lightweight, and easy to manufacture.

Although these coreless PCB coils in general have a low coupling factor between the primary and secondary coil, high efficiency can be attained by using a high-frequency resonant circuit. Operating the circuit at high frequency makes the impedance of the coils large. Therefore, power will be transmitted using low currents and high voltage. Because of these low currents, heat generation by the fine conductors of the PCB mounted wireless charging coil array stays within acceptable bounds.

Our products include Vishay’s wireless charging transmitter coils/shields which feature high permeability shielding and high saturation powdered iron that is not affected by permanent locating magnets.

Also available are products from Wurth Electronik’s WE-WPCC wireless power array range, which uses Litz wire and achieves the highest Q value on the market. The wireless power arrays cancel charging flux to avoid coupling into sensitive components or batteries.
 
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IWTXA653FZEB120KF3
IWTXA653FZEB120KF3 - WIRELESS CHARGING TX COIL, 11.5/12.5UH

3263665

WIRELESS CHARGING TX COIL, 11.5/12.5UH

VISHAY

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Each

1+ HK$40.30

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1 x 11.5µH, 2 x 12.5µH 10% - -
760308104119
760308104119 - WIRELESS POWER CHARGING COIL, 12UH

2448598

WIRELESS POWER CHARGING COIL, 12UH

WURTH ELEKTRONIK

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Each

1+ HK$159.06 2+ HK$156.60 3+ HK$154.13 5+ HK$151.67 10+ HK$149.20 20+ HK$147.48 50+ HK$145.75 100+ HK$137.36 More Pricing...

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1 x 12µH, 1 x 11.5µH 10% 2 Coils WE-WPCC
760308103149
760308103149 - CHARGING COIL ARRAY, 9.8UH / 10.2UH, 10%

2965278

CHARGING COIL ARRAY, 9.8UH / 10.2UH, 10%

WURTH ELEKTRONIK

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Each

1+ HK$169.58 2+ HK$165.37 3+ HK$161.16 5+ HK$156.95 10+ HK$152.73 20+ HK$128.57 50+ HK$127.17 100+ HK$127.16 More Pricing...

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1 x 9.8µH, 2 x 10.2µH 10% - -
IWTXA148DGEB9R8KF3
IWTXA148DGEB9R8KF3 - WIRELESS CHARGING TX COIL, 9.8/10.2UH

3263664

WIRELESS CHARGING TX COIL, 9.8/10.2UH

VISHAY

You previously purchased this product. View in Order History

Each

1+ HK$75.48 5+ HK$66.04 10+ HK$54.72 25+ HK$49.06 50+ HK$45.29 160+ HK$42.27 800+ HK$40.00 1600+ HK$38.49 More Pricing...

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1 x 10.2µH, 2 x 9.8µH 10% 3 Coils IWTX Series
760308103113
760308103113 - CHARGING COIL ARRAY, 3 COIL, 11.5/12.5UH

2965279

CHARGING COIL ARRAY, 3 COIL, 11.5/12.5UH

WURTH ELEKTRONIK

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Each

1+ HK$116.18 5+ HK$114.95 10+ HK$113.70 20+ HK$112.42 40+ HK$111.07 90+ HK$106.90 450+ HK$102.38 900+ HK$97.75 More Pricing...

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1 x 11.5µH, 2 x 12.5µH 10% - -
760308106
760308106 - WIRELESS CHARGING COIL, 12.5UH, 10A

2336090

WIRELESS CHARGING COIL, 12.5UH, 10A

WURTH ELEKTRONIK

You previously purchased this product. View in Order History

Each

1+ HK$294.86 2+ HK$288.97 3+ HK$283.07 5+ HK$277.17 10+ HK$271.28 20+ HK$265.38 50+ HK$259.48 100+ HK$253.58 More Pricing...

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Min: 1 Mult: 1
1 x 11.5µH, 2 x 12.5µH 10% 3 Coils WE-WPCC
760308103147
760308103147 - CHARGING COIL ARRAY, 7.5UH / 8.5UH, 10%

2842212

CHARGING COIL ARRAY, 7.5UH / 8.5UH, 10%

WURTH ELEKTRONIK

You previously purchased this product. View in Order History

Each

1+ HK$161.03 2+ HK$161.02 3+ HK$161.00 5+ HK$160.99 10+ HK$160.97 20+ HK$160.95 50+ HK$153.64 100+ HK$135.55 More Pricing...

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