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Charging Coil Arrays:

8 Products Found
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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3263665

RoHS

Date/Lot Code

Each
1+
CHF 7.200
5+
CHF 6.520
10+
CHF 5.830
25+
CHF 4.920
50+
CHF 4.670
More Pricing...
Min: 1 / Mult: 1
1 x 11.5µH, 2 x 12.5µH
-
± 10%
3 Coils
IWTX Series
2965279

RoHS

Date/Lot Code

Each
1+
CHF 15.570
5+
CHF 13.250
10+
CHF 12.850
20+
CHF 12.450
40+
CHF 11.750
More Pricing...
Min: 1 / Mult: 1
1 x 11.5µH, 2 x 12.5µH
-
± 10%
3 Coils
WE-WPCC Series
2965278

RoHS

Date/Lot Code

Each
1+
CHF 21.760
10+
CHF 18.080
20+
CHF 17.200
Min: 1 / Mult: 1
1 x 9.8µH, 2 x 10.2µH
-
± 10%
3 Coils
WE-WPCC Series
3263664

RoHS

Date/Lot Code

Each
1+
CHF 7.490
5+
CHF 6.610
10+
CHF 5.730
25+
CHF 5.440
50+
CHF 5.170
More Pricing...
Min: 1 / Mult: 1
1 x 10.2µH, 2 x 9.8µH
-
± 10%
3 Coils
IWTX Series
2336090

RoHS

Date/Lot Code

Each
1+
CHF 28.270
10+
CHF 28.150
20+
CHF 28.020
Min: 1 / Mult: 1
1 x 11.5µH, 2 x 12.5µH
12.5µH
± 10%
3 Coils
WE-WPCC Series
2842212

RoHS

Date/Lot Code

Each
1+
CHF 19.720
10+
CHF 18.110
20+
CHF 17.490
Min: 1 / Mult: 1
1 x 7.5µH, 2 x 8.5µH
8.5µH
± 10%
3 Coils
WE-WPCC Series
2448598

RoHS

Date/Lot Code

Each
1+
CHF 17.010
10+
CHF 14.580
20+
CHF 14.290
Min: 1 / Mult: 1
1 x 12µH, 1 x 11.5µH
12µH
± 10%
2 Coils
WE-WPCC Series
2543229

RoHS

Date/Lot Code

Each
1+
CHF 24.740
3+
CHF 24.340
5+
CHF 23.960
10+
CHF 23.560
20+
CHF 22.700
More Pricing...
Min: 1 / Mult: 1
1 x 6.4µH, 2 x 6.9µH
6.9µH
± 10%
3 Coils
WE-WPCC Series
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