Description
| Parameter | Description | Typical Range |
| Inductance | Inductance value | 0.1 μH – 1000 μH |
| DC Resistance (DCR) | DC resistance of winding | 5 mΩ – 5 Ω |
| Rated Current | Continuous working current | 0.1 A – 10 A |
| Saturation Current | Current at which inductance drops significantly | 0.2 A – 15 A |
| Operating Frequency | Recommended working frequency | 1 kHz – 100 MHz |
| Self-Resonant Frequency (SRF) | Natural resonant frequency | 1 MHz – 200 MHz |
| Operating Temperature | Ambient temperature range | -40°C to +125°C |
| Core Material | Magnetic core material | Ferrite (Mn-Zn, Ni-Zn) |
| Structure Type | Mounting type | Through-hole (radial) / SMD |
| Tolerance | Inductance tolerance | ±5%, ±10%, ±20% |
Ferrite Rod Inductor Overview
Ferrite rod inductors are passive components designed with a ferrite rod core and copper winding to provide stable inductance in electronic circuits. The ferrite core enhances magnetic permeability, allowing efficient energy storage and improved high-frequency performance.
These inductors are commonly used in RF circuits, filtering networks, and signal tuning applications where compact size, low loss, and stable electrical characteristics are required.
Key Specifications
Size
Ferrite rod inductors are available in a variety of sizes to accommodate different circuit designs. Typical parameters include rod length, core diameter, and pin spacing, allowing flexible integration into both compact and standard electronic assemblies.
Inductance
The inductor provides stable inductance values suitable for filtering, resonance, and impedance matching. The ferrite rod structure enables reliable performance in high-frequency applications and RF circuits.
Current Rating
Ferrite rod inductors support a wide range of current ratings depending on the design and wire configuration. They feature low DC resistance, reduced heat generation, and stable electrical characteristics during continuous operation.
Winding Structure
The coil is typically wound with high-quality enamelled copper wire to ensure good conductivity and reliable inductive performance. Different winding configurations can be customized to meet specific inductance and current requirements.
Applications
Ferrite rod inductors are widely used in many electronic products and circuits where signal filtering, tuning, and interference suppression are required.
Typical application areas include:
Communication & RF Devices
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FM radio receivers
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AM radio modules
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RF signal circuits
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Remote control transmitters and receivers
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Wireless communication systems
Power Supply & Control Circuits
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LED drivers
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Switching power supplies
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Power adapters
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DC-DC converters
Consumer Electronics
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Set-top boxes
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Televisions
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Audio equipment
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Home appliances
Industrial & Automotive Electronics
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Security alarm systems
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Sensor modules
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Automotive electronic devices
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Industrial control circuits
IoT & Smart Devices
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IoT communication modules
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Smart electronic devices
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Noise filtering circuits
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EMI suppression modules
Ferrite rod inductors provide reliable electrical performance in filtering, signal tuning, and electromagnetic interference suppression applications.
Key Advantages
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Stable inductance performance
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Excellent high-frequency characteristics
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Low DC resistance and low power loss
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Compact structure suitable for various circuit layouts
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Reliable performance for RF and filtering applications
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Wide application compatibility across communication and electronic systems
Keywords
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