Ferrite core inductor WL1230

ferritewire-woundhigh-frequency

Overview
Rod‑core ferrite coil WL1230 is an inductive component using a ferrite rod as magnetic core combined with enameled copper winding to provide high inductance and sensitivity in a compact footprint. The ferrite core concentrates magnetic flux and improves performance across kHz–MHz frequency ranges.

Key points

• Operation: electromagnetic induction; AC in the winding generates a field concentrated by the ferrite rod to increase inductance.
• Customizable: ferrite material (MnZn/NiZn), winding type, wire gauge, dimensions and electrical parameters.
• Performance: high magnetic permeability, stable inductance, low loss and high Q when matched to the application.

Applications

• AM antennas and radio receivers
• RF/wireless systems, RFID readers and wireless sensors
• Smart meters, telemetry and communication equipment
• Automotive electronics (keyless entry, TPMS, control modules)
• Industrial control, sensors and measurement devices
• Compact IoT and OEM electronics requiring high‑sensitivity coils

Features

• Ferrite rod core for high permeability and flux concentration
• Compact 30 mm footprint with lightweight construction
• Precision winding: single‑layer round or sectional options
• Low electromagnetic losses and optimized frequency response
• Optional encapsulation: varnish, epoxy or protective coating

Table - General item description
Item - Description
Ferrite Coil Inductor - Enameled copper wire
Wire Diameter - 0.3 mm (other AWG options available)
Winding Type - Single‑layer round or sectional winding
Core Material - Ferrite rod (MnZn or NiZn options)
Footprint length - 30 mm
Encapsulation - Optional varnish, epoxy or coating
Mounting - Through‑foot or custom mounting options

Table - Electrical specifications (typical)
Parameter - Description
Inductance Range - 0.1 µH – 100 µH (customizable)
Inductance Tolerance - ±2%, ±5%, ±10%
DC Resistance (DCR) - Depends on winding and wire gauge (customizable)
Q Factor - High, optimized for target frequency band
Self‑Resonant Frequency - Application dependent, typically high
Operating Frequency - kHz to MHz range
Rated Current - Specified per custom design
Insulation Resistance - ≥100 MΩ

Advantages & Considerations

• Advantages: greater sensitivity versus air‑core coils, compact size for space‑constrained designs, customizable electrical parameters for application matching.
• Considerations: ferrite is brittle and temperature‑dependent; select appropriate material and provide mechanical protection for harsh environments; precision winding and QC needed to limit variability.

Troubleshooting (common issues)

• Low inductance: verify number of turns, winding integrity and core condition.
• Weak reception: check coil orientation, circuit matching and shielding.
• High resistance: inspect wire gauge, solder joints and winding quality.
• Temperature instability: use ferrite grades rated for the operating temperature.
• Mechanical damage: ferrite rods can crack under impact; inspect and replace if needed.

Technical specifications

• Model family: WL1230 series (rod‑core ferrite coil)
• Core: ferrite rod (MnZn for low frequency, NiZn for higher frequency)
• Typical core length: 30 mm
• Winding: enameled copper, typical diameter 0.3 mm (other AWG options)
• Inductance: 0.1 µH – 100 µH (customizable)
• Tolerances: ±2%, ±5%, ±10%
• Operating frequency: kHz to MHz range
• Insulation resistance: ≥100 MΩ
• Encapsulation: optional varnish, epoxy or coating
• Mounting: through‑foot or custom mounting
• Customization: ferrite material, turns, wire thickness and electrical parameters per application