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Rod Core Inductor is a kind of inductor using rod core. It has a different magnetic circuit structure from traditional inductors and is widely used in a variety of electrical equipment for high power, high frequency, low frequency and high current applications. Due to their unique structure and magnetic properties, bar core inductors are often used in applications where high current, frequency and efficiency are required.
1. High efficiency and low loss:
Due to the low losses (e.g. hysteresis losses, eddy current losses, etc.) of their core materials, bar inductors are able to operate at high efficiencies, especially in high-frequency and high-current applications.
This improves the overall efficiency of the power system and reduces heat generation.
2. High power density:
Bar cores are designed to provide high power density, meaning that a large current carrying capacity can be achieved in a small footprint.
This makes them suitable for use in space-constrained devices that require high power output.
3. Wide Frequency Response:
Bar inductors are suitable for a wide range of frequencies and can handle signal transitions from low to high frequencies, making them particularly suitable for switching power supplies and signal processing applications.
They can operate efficiently over a wide range of frequencies, optimizing signal transmission and energy conversion efficiency.
4. Excellent current carrying capacity:
The bar core design tolerates higher currents without overheating, making them particularly suitable for applications with large current fluctuations.
The inductors are able to operate under high current loads, maintaining low temperature rise and high stability.
| Electrical Property | Description |
| Inductance | The inductance value is determined by the number of turns in the coil, the core material, and the size. Typically measured in Henries (H). |
| Current Handling Capacity | The maximum current the inductor can handle without excessive heating or damage. Rod core inductors are designed to carry high current loads. |
| Quality Factor (Q) | A measure of the inductor's efficiency, with a higher Q value indicating lower energy loss and higher efficiency. Rod core inductors typically have a high Q factor. |
| Frequency Response | The ability of the inductor to operate across a range of frequencies. Rod core inductors perform well across a broad frequency range, from low to high frequencies. |
| DC Resistance (DCR) | The resistance of the coil to direct current, which affects efficiency and power loss. Rod core inductors generally have low DC resistance. |
| Temperature Rise | The increase in temperature when the inductor operates under a load. Rod core inductors are designed to handle high temperature rises without performance degradation. |
| Self-resonant Frequency (SRF) | The frequency at which the inductor resonates without an external load. Rod core inductors typically have a high self-resonant frequency. |
| Loss Factor | The energy loss due to resistance and core material properties. Rod core inductors are designed to minimize energy loss, making them efficient. |
| Saturation Point | The maximum magnetic flux density the core can handle before it cannot increase inductance further. Rod core inductors typically have a high saturation point. |
