Wireless Charging Coils

Category Introduction

Wireless charging coils generate an alternating electromagnetic field used to inductively transfer energy to other coils positioned parallel and in close proximity. The energy is used to charge batteries or run the device receiving the energy. The coils may be designed as receivers, transmitters or dual purpose having single or multiple coils and multiple layers of windings. They are rated by their inductance, self resonant frequency, saturation current and Q factor at a given frequency.

Product List

259 Items

Mfr Part #	Quantity Available	UnitPrice	Packaging	Product Status	Function	Type	Inductance	Tolerance	DC Resistance (DCR)	Q @ Freq	Current Rating (Amps)	Current - Saturation (Isat)	Frequency - Self Resonant	Operating Temperature	Size / Dimension
IWAS4532AGEB140KF1 WIRELESS CHARGING RECEIVE COIL Vishay Dale	216	$2.40	Tray	Active	Receiver	1 Coil, 1 Layer	14µH	±10%	355mOhm Max	24 @ 100kHz	1.2A	-	-	-40°C ~ 85°C	1.77" L x 1.26" W x 0.07" H (45.0mm x 32.0mm x 1.7mm)
IWTX50R0DZEB6R3KF1 WIRELESS CHARGING TRANSMIT COIL Vishay Dale	221	$3.65	Tray	Active	Transmitter	1 Coil, 1 Layer	6.3µH	±10%	25mOhm Max	90 @ 100kHz	10A	-	-	-40°C ~ 85°C	1.97" Dia x 0.16" H (50.0mm x 4.0mm)
IWTX5050DZEB6R3KF1 WIRELESS CHARGING TRANSMIT COIL Vishay Dale	215	$3.63	Tray	Active	Transmitter	1 Coil, 1 Layer	6.3µH	±10%	25mOhm Max	90 @ 100kHz	10A	-	-	-40°C ~ 85°C	1.97" Dia x 0.16" H (50.0mm x 4.0mm)
IWAS3827ABEB110JF1 IWAS-3827AB-F1 10 5% EB E2 Vishay Dale	128	$5.56	Tray	Active	Receiver	1 Coil, 1 Layer	10.65µH	±5%	185mOhm	30 @ 200kHz	-	-	-	-40°C ~ 105°C	1.50" L x 1.05" W x 0.07" H (38.1mm x 26.7mm x 1.7mm)
IWAS4832ABEB110JF1 IWAS-4832AB-F1 11 5% EB E2 Vishay Dale	40	$6.30	Tray	Active	Receiver	1 Coil, 1 Layer	10.8µH	±5%	187mOhm	60 @ 200kHz	-	-	-	-40°C ~ 105°C	1.89" L x 1.26" W x 0.07" H (48.0mm x 32.0mm x 1.7mm)
IWAS4832AEEB120KF1 WIRELESS CHARGING RECEIVE COIL Vishay Dale	108	$2.82	Tray	Active	Receiver	1 Coil, 1 Layer	12µH	±10%	200mOhm Max	33 @ 100kHz	3A	-	-	-40°C ~ 85°C	1.89" L x 1.26" W x 0.04" H (48.0mm x 32.0mm x 1.0mm)
IWTX50R0CZEB6R3KF1 WIRELESS CHARGING TRANSMIT COIL Vishay Dale	239	$2.78	Tray	Active	Transmitter	1 Coil, 1 Layer	6.3µH	±10%	45mOhm Max	120 @ 100kHz	5A	-	-	-40°C ~ 85°C	1.97" Dia x 0.12" H (50.0mm x 3.0mm)
IWTX5050CZEB6R3KF1 WIRELESS CHARGING TRANSMIT COIL Vishay Dale	596	$1.34	Tray	Active	Transmitter	1 Coil, 1 Layer	6.3µH	±10%	45mOhm Max	120 @ 100kHz	5A	-	-	-40°C ~ 85°C	1.97" Dia x 0.12" H (50.0mm x 3.0mm)
IWAS3010AZEB130KF1 WIRELESS CHARGING RECEIVE COIL Vishay Dale	370	$1.58	Tray	Active	Receiver	1 Coil, 1 Layer	12.9µH	±10%	780mOhm Max	11 @ 100kHz	800mA	-	-	-40°C ~ 85°C	1.18" L x 0.39" W x 0.03" H (30.0mm x 10.0mm x 0.7mm)
IWTX55R0DZEB8R9KF1 WIRELESS CHARGING TRANSMIT COIL Vishay Dale	382	$1.98	Tray	Active	Transmitter	1 Coil, 1 Layer	8.9µH	±10%	55mOhm Max	98.5 @ 100kHz	6A	-	-	-40°C ~ 125°C	2.17" Dia x 0.16" H (55.0mm x 4.0mm)
IWTX5555DEEB100KF1 WIRELESS CHARGING TRANSMIT COIL Vishay Dale	78	$2.26	Tray	Active	Transmitter	1 Coil, 1 Layer	10µH	±10%	80mOhm Max	99 @ 100kHz	6A	-	-	-40°C ~ 85°C	2.17" L x 2.17" W x 0.12" H (55.0mm x 55.0mm x 3.0mm)
IWAS3827ABEB100JF1 IWAS-3827AB-F1 10 5% EB E2 Vishay Dale	181	$2.95	Tray	Active	Receiver	1 Coil, 1 Layer	10.65µH	±5%	178mOhm	30 @ 200kHz	-	-	-	-40°C ~ 105°C	1.50" L x 1.05" W x 0.07" H (38.1mm x 26.7mm x 1.7mm)
IWTX5050FEEB100KF1 WIRELESS CHARGING TRANSMIT COIL Vishay Dale	175	$3.12	Tray	Active	Transmitter	1 Coil, 1 Layer	10µH	±10%	29.7mOhm Max	200 @ 100kHz	9A	-	-	-40°C ~ 85°C	1.97" Dia x 0.26" H (50.0mm x 6.5mm)
IWTX5050DEEB100KF1 WIRELESS CHARGING TRANSMIT COIL Vishay Dale	146	$3.23	Tray	Active	Transmitter	1 Coil, 1 Layer	10µH	±10%	29.7mOhm Max	200 @ 100kHz	9A	-	-	-40°C ~ 85°C	1.97" Dia x 0.18" H (50.0mm x 4.5mm)
IWAS4832ADEB150JF1 IWAS-4832AB-F1 11 5% EB E2 Vishay Dale	59	$3.37	Tray	Active	Receiver	1 Coil, 1 Layer	15µH	±5%	240mOhm	65 @ 200kHz	-	-	-	-40°C ~ 105°C	1.89" L x 1.26" W x 0.07" H (48.0mm x 32.0mm x 1.9mm)
IWTX47R0DAEB6R3JF1 IWTX-47R0DA-F1 6.3 5% EB E2 Vishay Dale	138	$3.38	Tray	Active	Transmitter	1 Coil, 1 Layer	6.3µH	±5%	40mOhm	190 @ 200kHz	7A	22A	-	-40°C ~ 105°C	1.81" L x 1.81" W x 0.22" H (46.0mm x 46.0mm x 5.6mm)
IWAS4832AAEB220JF1 IWAS-4832AA-F1 22 5% EB E2 Vishay Dale	29	$3.42	Tray	Active	Receiver	1 Coil, 1 Layer	22µH	±5%	427mOhm	38 @ 200kHz	-	-	-	-40°C ~ 105°C	1.89" L x 1.26" W x 0.06" H (48.0mm x 32.0mm x 1.6mm)
IWAS3222CZEB190JF1 IWAS-3222CZ-F1 19 5% EB E2 Vishay Dale	170	$3.53	Tray	Active	Receiver	1 Coil, 1 Layer	19.6µH	±5%	357mOhm	29 @ 200kHz	-	-	-	-40°C ~ 105°C	1.26" L x 0.87" W (32.0mm x 22.0mm)
IWTX47R0EBEB240JF1 IWTX-47R0EB-F1 24 5% EB E2 Vishay Dale	137	$3.74	Tray	Active	Transmitter	1 Coil, 1 Layer	24µH	±5%	75mOhm	200 @ 200kHz	6A	20A	-	-40°C ~ 105°C	1.85" Dia x 0.21" H (47.0mm x 5.3mm)
IWTX4646DCEB240JF1 IWTX-4646DC-F1 24 5% EB E2 Vishay Dale	84	$4.36	Tray	Active	Transmitter	1 Coil, 1 Layer	24µH	±5%	75mOhm	185 @ 200kHz	6A	20A	-	-40°C ~ 105°C	1.81" L x 1.81" W x 0.21" H (46.0mm x 46.0mm x 5.3mm)

About Wireless Charging Coils

What are Wireless Charging Coils?

Wireless Charging Coils

Wireless charging coils are integral components in the technology that enables the transfer of electrical energy without the need for physical connectors or cables. These coils operate on the principle of electromagnetic induction, where an alternating current passing through a transmitter coil generates a magnetic field. This magnetic field induces a current in a receiver coil located in a nearby device, thus charging its battery. The efficiency of this energy transfer relies on the alignment and proximity of the coils, as well as the frequency of the alternating current.

Types of Wireless Charging Coils

1. Single-Coil Systems

Single-coil systems are the simplest form of wireless charging technology, typically used in devices where precise alignment is feasible. These systems are cost-effective and efficient for small-scale applications, such as charging smartphones or wearable devices. However, they require accurate positioning to ensure effective energy transfer.

2. Multi-Coil Systems

Multi-coil systems incorporate several coils within the charging pad, allowing for a larger charging area and more flexibility in device placement. This type is commonly used in charging stations for multiple devices, such as tablets and smartphones, simultaneously. The overlapping magnetic fields from multiple coils enhance the efficiency and convenience of the charging process.

3. Resonant Coils

Resonant coils are designed to operate at specific frequencies, allowing for energy transfer over greater distances compared to traditional inductive charging. These coils are ideal for applications where the device cannot be placed directly on the charging pad, such as electric vehicles or medical implants. Resonant technology offers improved spatial freedom and efficiency.

How to choose Wireless Charging Coils?

When selecting wireless charging coils, several key parameters should be considered:

Power Rating: Ensure the coil can handle the required power level for your application.
Frequency: Choose a coil that operates at the appropriate frequency for your device's charging technology.
Size and Shape: Consider the physical dimensions and form factor to ensure compatibility with your device.
Efficiency: Look for coils with high energy transfer efficiency to minimize energy loss.

Evaluating product quality and reliability involves reviewing supplier certifications, customer reviews, and testing reports. Environmental factors such as temperature, humidity, and potential interference should also be considered, alongside installation requirements like coil alignment and spacing.

Applications of Wireless Charging Coils

1. Consumer Electronics

Wireless charging coils are widely used in consumer electronics, including smartphones, tablets, and smartwatches. They offer a convenient and cable-free charging solution, enhancing user experience and device longevity by reducing wear on charging ports.

2. Automotive Industry

In the automotive sector, wireless charging coils are employed in electric vehicles (EVs) to facilitate contactless charging. This technology simplifies the charging process and can be integrated into parking spaces or garages, promoting the adoption of EVs.

3. Healthcare

Medical devices, such as implants and wearable health monitors, benefit from wireless charging coils by eliminating the need for invasive procedures to replace or recharge batteries. This enhances patient comfort and device reliability.

4. Industrial Automation

Wireless charging coils are used in industrial settings to power autonomous robots and sensors, reducing downtime and maintenance costs associated with wired connections. This technology supports the seamless operation of automated systems.

5. Public Infrastructure

Public spaces, such as airports and cafes, incorporate wireless charging stations equipped with coils to provide convenient charging options for travelers and patrons. This service enhances customer satisfaction and engagement.

Wireless Charging Coils

Category Introduction

Product List

IWAS4532AGEB140KF1

IWTX50R0DZEB6R3KF1

IWTX5050DZEB6R3KF1

IWAS3827ABEB110JF1

IWAS4832ABEB110JF1

IWAS4832AEEB120KF1

IWTX50R0CZEB6R3KF1

IWTX5050CZEB6R3KF1

IWAS3010AZEB130KF1

IWTX55R0DZEB8R9KF1

IWTX5555DEEB100KF1

IWAS3827ABEB100JF1

IWTX5050FEEB100KF1

IWTX5050DEEB100KF1

IWAS4832ADEB150JF1

IWTX47R0DAEB6R3JF1

IWAS4832AAEB220JF1

IWAS3222CZEB190JF1

IWTX47R0EBEB240JF1

IWTX4646DCEB240JF1

About Wireless Charging Coils

What are Wireless Charging Coils?

Wireless Charging Coils

Types of Wireless Charging Coils

1. Single-Coil Systems

2. Multi-Coil Systems

3. Resonant Coils

How to choose Wireless Charging Coils?

Applications of Wireless Charging Coils

1. Consumer Electronics

2. Automotive Industry

3. Healthcare

4. Industrial Automation

5. Public Infrastructure