Ferrite inductor WL0410

wire-woundmagneticRF

Product overview
Ferrite rod coil WL0410 is a magnetic inductor engineered for antenna and signal-reception roles in industrial equipment. The design pairs a high-permeability ferrite rod core with precision enameled copper winding to deliver stable inductance, high sensitivity and focused magnetic coupling compared with air-core alternatives.

Key benefits

• Stable inductance and high sensitivity from ferrite core permeability
• Improved magnetic field concentration for enhanced signal reception
• Compact footprint for portable and space-constrained devices
• Customizable parameters: frequency range, wire gauge, coil length, ferrite grade and mounting
• Cost-effective solution for RF, sensor and industrial antenna systems

How it works
A ferrite rod coil consists of a ferrite core rod wound with enameled copper wire. Alternating currents in the winding generate a magnetic field concentrated by the ferrite material. For antenna use, incoming electromagnetic waves induce a varying magnetic flux in the rod coil, which the winding converts to electrical signals for downstream electronics. Performance depends on operating frequency, inductance, ferrite grade and winding geometry.

Applications

• AM receivers and magnetic antennas
• RF communication equipment and tuners
• Automotive electronics (remote controls, keyless entry, TPMS)
• IoT devices and wireless sensors
• Industrial sensors and automation systems
• Medical instrumentation requiring stable inductance
• RFID and access-control systems

Advantages & disadvantages

• Advantages: compact size, high sensitivity, low power draw, predictable electromagnetic behaviour, adaptable to specific frequency and inductance needs
• Disadvantages: ferrite properties vary with temperature; efficiency and losses change at very high frequencies; cores are brittle and require mechanical protection; tight manufacturing tolerances needed for consistent inductance

Troubleshooting & common issues

• Poor reception: review winding, ferrite grade and orientation
• Incorrect inductance: verify turns count, core integrity and manufacturing tolerances
• Excess EMI or noise: improve shielding and PCB layout
• Temperature sensitivity: choose ferrite with appropriate temperature characteristics
• Mechanical damage: protect cores from shock and handling
• Poor solder or connections: inspect joints and mounting

Customization
WL0410 units can be manufactured to customer specifications for inductance, operating frequency, ferrite material, rod length/diameter, wire type and gauge, number of turns, encapsulation (varnish, epoxy or coating) and mounting style.

Data sheet (selection)
Item - Description
Core type - Ferrite rod
Wire - Enameled copper (typical diameter 0.1 mm; other AWG options available)
Winding - Single-layer round or sectional
Footprint length - 10 mm (typical)
Encapsulation - Optional varnish, epoxy or coating
Mounting - Through-foot or custom

Electrical specifications (typical)
Parameter - Description
Inductance range - 0.1 µH – 50 µH (customizable)
Inductance tolerance - ±2%, ±5%, ±10%
DC resistance (DCR) - dependent on wire and design
Q factor - optimized for selected frequency range
Self-resonant frequency - application-dependent
Operating frequency - kHz to low MHz range
Rated current - specified per design
Insulation resistance - ≥50 MΩ

How to choose & design tips

• Define operating frequency first (select ferrite grade accordingly)
• Specify required inductance and tolerance for circuit tuning
• Choose ferrite material balancing permeability, losses and temperature stability
• Check rod dimensions, winding space and mounting to fit mechanical constraints
• Select wire diameter for current and DCR requirements
• Consider environmental factors (temperature, humidity, vibration)
• Prototype and validate inductance, Q and frequency response before production

Technical specifications

• Model: WL0410
• Core: Ferrite rod
• Typical footprint length: 10 mm
• Wire: Enameled copper, typical diameter 0.1 mm
• Winding: Single-layer round or sectional
• Inductance range: 0.1 µH – 50 µH (customizable)
• Inductance tolerance options: ±2%, ±5%, ±10%
• Operating frequency: kHz to MHz
• Insulation resistance: ≥50 MΩ
• Encapsulation: Optional varnish / epoxy / coating
• Mounting: Through-foot or custom