Ferrite choke WL0415

ferrite coremagneticRF

Overview
Ferrite induction coils are precision magnetic components designed for efficient electromagnetic energy conversion. Featuring a ferrite core and controlled winding technology, the WL0415 range delivers stable inductance, low core losses and predictable magnetic behavior across kHz–MHz frequencies. Typical applications include power conversion, wireless charging, sensors, communication modules and industrial automation. Customization is available for core shape, wire gauge, dimensions and electrical parameters to meet OEM/ODM requirements.

How it Works
The WL0415 operates by electromagnetic induction: alternating current through the winding generates a changing magnetic field concentrated by the ferrite core. The core increases magnetic flux density and the winding stores and returns energy according to inductance.

• AC flows through the coil winding
• Ferrite core produces and guides magnetic flux
• Flux concentration raises inductance
• Magnetic field stores energy temporarily
• Stored magnetic energy converts back to electrical energy when needed

Applications
WL0415 ferrite induction coils are used across industry sectors: power supplies and DC‑DC converters, switching filters, wireless chargers (consumer and EV), automotive electronics (BMS, charging modules, sensors), industrial sensors and control units, RFID and communication equipment, medical devices, IoT nodes and energy‑harvesting modules.

Advantages

• High magnetic permeability for efficient flux concentration
• Low eddy‑current losses at high frequency
• Compact, lightweight design with good electrical insulation
• Stable performance across temperature ranges
• Adaptable to OEM/ODM customization

Disadvantages

• Brittle material — mechanical shock can cause cracking
• Limited peak current handling due to magnetic saturation
• Material selection must match operating frequency for optimal performance
• Lower magnetic strength in some cases versus metal‑core alternatives

Troubleshooting & Common Issues

• Low inductance: verify turn count, check for core damage or incorrect core material
• Overheating: inspect for overcurrent, excessive resistance or inappropriate ferrite grade
• Poor energy transfer: check coil alignment and magnetic coupling
• Unstable performance: control material batch variation and temperature effects
• EMI issues: improve shielding and optimize PCB/layout placement

Product Details
A WL0415 ferrite induction coil combines a ferrite magnetic core with enameled copper windings to transfer magnetic energy efficiently. The ferrite core concentrates flux and reduces high‑frequency losses. Coils are produced to customer‑specified size, frequency range, inductance and mounting requirements.

Technical Table
Item : Description
Ferrite Inductor Coil : Enameled copper wire
Wire Diameter : 0.2 mm (AWG options available)
Winding Type : Single‑layer round or sectional winding
Core Material : Ferrite magnetic rod
Footprint length : 15 mm
Encapsulation : Optional varnish, epoxy or coating
Mounting : Through‑hole / Custom

Electrical Specifications (Typical)
Parameter : Description
Inductance Range : 0.1 µH – 50 µH (customizable)
Inductance Tolerance : ±2%, ±5%, ±10%
DC Resistance (DCR) : Specified per design
Q Factor : High Q, optimized for target frequency range
Self‑Resonant Frequency : Application dependent, typically high
Operating Frequency : kHz to MHz range
Rated Current : Determined per custom design
Insulation Resistance : ≥75 MΩ

FAQs (selected)

• What is a ferrite induction coil? — A passive component for electromagnetic energy conversion, filtering, sensing and wireless transfer used in power electronics, chargers, RFID and sensors.
• Why use ferrite? — Ferrite offers high permeability and low conductivity, minimizing eddy‑current loss at high frequencies.
• Can WL0415 be customized? — Yes; core geometry, turns, wire gauge, inductance, frequency, size and mounting can be specified for OEM/ODM.
• What common failures occur? — Incorrect inductance, overheating, EMI and poor coupling, usually solvable by design adjustments and material selection.

Specifications

• Model: WL0415
• Core material: Ferrite (magnetic rod)
• Conductor: Enameled copper wire
• Wire diameter: 0.2 mm (AWG options available)
• Winding: Single‑layer round or sectional
• Footprint length: 15 mm
• Encapsulation: Optional varnish, epoxy or coating
• Mounting: Through‑hole or custom
• Inductance range: 0.1 µH – 50 µH (customizable)
• Inductance tolerance: ±2%, ±5%, ±10%
• Operating frequency: kHz to MHz
• Rated current: Custom per design
• Insulation resistance: ≥75 MΩ
• Typical applications: Power conversion, wireless charging, automotive electronics, sensors, RFID, industrial automation