Magnetic inductor WL1430

wire-woundDCprinted circuit

Overview
A magnet charging coil is an electromagnetic component designed to transfer electrical energy via magnetic coupling in compact charging systems. It converts input current into a controlled magnetic field and is paired with a receiving coil to transmit power. Integrated magnets enable repeatable alignment and mechanical positioning of charging interfaces.

How it works
The coil operates by electromagnetic induction: electrical energy > transmitting coil > magnetic field > receiving coil > electrical energy. Embedded magnets improve mechanical alignment and magnetic coupling, enhancing power transfer consistency.

• Key engineering considerations: inductance, number of turns, wire gauge, operating frequency, input voltage, power rating, coil spacing, magnetic alignment, temperature rise, installation space.

Main Features
Magnet charging coils offer compact integration and configurable electromagnetic parameters. Typical features: customizable dimensions and shape, adjustable number of turns and inductance, selectable wire size, defined voltage/current ratings, and rated operating temperature. Magnetic positioning supports repeatable alignment. Mounting options include adhesive tape, PCB integration, plastic housings, metal frames or dedicated charging modules. Controlled winding and quality materials ensure electrical stability and production consistency.

Product Datasheet
Brand: Weilong Technology
Model Number: WL1430
Product Size: 14*30*2 * 9 TS * 6.5 UH
Rated Power (W): 5 W or 10 W
Wire: 0.08 mm * 9 TS
DC Power Source: DC 5 V
DCR: 28.5 UH +/- 10%
Reset Time(s): Nil
Service Life: Nil
Certification: CE, RoHS, ISO9001
Material: copper wire
Power Contact: lead wire
Install Style: adhered tape
Tolerance of Dimension: ± 0.1 MM
Water-proof: None
Insulation Class: F
Hi-Pot Test: AC 600V 50/60Hz 2s
Non-excitation Holding Force: 0
Working Temperature: -10°C-100°C
Duty Cycle: 1-100%
Thread Depth (mm): 0.1 mm
Payment Term: TT, or LC at Sight
Sample Order: Yes.
Warranty: 1 Year
MOQ: 1000 pcs
Supply Ability: 5000 pcs per week
Delivery Time: 30 Days
Port of Loading: Shenzhen

Applications

• Intelligent household appliances (charging docks, smart kitchen appliances)
• Industrial automation: AGVs, robots, autonomous machines, inspection systems
• Portable electronics and wearable devices
• Sensors, smart locks, IoT battery-powered devices
• Compact medical monitoring equipment and small medical devices

Advantages & Disadvantages

• Advantages: compact OEM integration, magnetic positioning for repeatable alignment, reduced mechanical connector wear, customizable electrical and mechanical parameters.
• Disadvantages: performance sensitive to alignment, coil spacing and frequency; misalignment reduces efficiency; coil resistance causes heat; nearby metal can cause eddy-current losses; high-power versions may need thermal management and additional electronics; custom tooling may increase cost.

Troubleshooting

• Charging does not start: verify input voltage, wiring, charging control and coil continuity for open windings or damage.
• Low charging power: check alignment, coil spacing, inductance, operating frequency and system load; excessive gap reduces coupling.
• Coil overheating: check operating current, winding resistance, duty cycle and ambient temperature; overheating may indicate undersized wire or excessive current.
• Intermittent charge: inspect magnetic positioning, mechanical clearances and vibration sources affecting coupling.
• High electrical loss: measure coil resistance and inductance versus specifications; inspect for nearby metal causing eddy currents.
• Performance changes after assembly: validate the coil in final housing — materials, magnets, screws, shields and PCB components can alter behavior.

FAQ — Selected

• What is a magnet charging coil? — An electromagnetic coil transferring energy by magnetic coupling; magnets may be used to align charging elements.
• Can it be customized? — Yes; voltage, current, power, inductance, resistance, frequency, dimensions, wire diameter, winding and mounting can be tailored for OEM requirements.
• How to improve efficiency? — Optimize mechanical alignment, minimize distance between coils, select appropriate inductance and frequency, reduce winding resistance and avoid metal near the coil; validate performance in the assembled product.

Caractéristiques / spécifications techniques

• Brand: Weilong Technology
• Model: WL1430
• Product Size: 14*30*2 * 9 TS * 6.5 UH
• Rated Power: 5 W or 10 W
• Wire: 0.08 mm * 9 TS
• DC Power Source: DC 5 V
• DCR / Inductance: 28.5 UH ±10%
• Certification: CE, RoHS, ISO9001
• Material: copper wire
• Install style: adhered tape
• Insulation Class: F
• Hi-Pot Test: AC 600V 50/60Hz 2s
• Working Temperature: -10°C to 100°C
• Duty Cycle: 1–100%
• Warranty: 1 Year
• MOQ: 1000 pcs
• Supply Ability: 5000 pcs per week
• Delivery Time: 30 Days