IHD1EB390L

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Fixed Inductors

A fixed inductor, otherwise known as a choke, is an electrical component primarily used to block high-frequency alternating currents from a circuit while simultaneously allowing a much lower frequency flowing current. Fixed inductors have a wide range of uses and are often employed in the production of power supplies and radio frequency circuits.

One popular type of fixed inductor is the IHD1EB390L. This inductor is a monolithic Bead inductor that utilizes an epoxy-molded, high-performance core. This core is developed with materials like ferrite and ceramic, depending on the specific application’s requirements. The IHD1EB390L has an inductance rating of 390nH, and can handle up to 900mW of power.

Application Field

The main application of the IHD1EB390L fixed inductor is to reduce resonant peaks in the power supply voltage. As an epoxy-molded bead inductor, the IHD1EB390L is ideal for high-frequency filtering, power supply line filtering, RF filtering, and digital signal line filtering. Additionally, the IHD1EB390L can also be utilized in delay lines, or to prevent DC circuits from being affected by AC signals.

Working Principle

The IHD1EB390L fixed inductor works by forming a self-inductance coil with the epoxy-molded core. When a current is passed through the coil, it will generate a magnetic field. This field is what induces an opposition to the alternating current or direct current. This opposition restricts the flow of alternating or direct current in the circuit, allowing for only a much lower frequency of current to bypass. Because of this, the IHD1EB390L can be utilized to filter out noise, as most noises involve a much higher-frequency than that of the alternating current.

Should an instability occur in the circuit, due to fluctuations in frequency or temperature, the IHD1EB390L fixed inductor has been designed to act as a safeguard. Its performance can be maximized with proper circuitry and tuning. This further enhances the inductor’s effectiveness, making it an excellent choice for many applications.

Conclusion

The IHD1EB390L fixed inductor is a compact, monolithic bead inductor that can be used to filter AC or DC signals and reduce resonant peaks in power supplies. The IHD1EB390L features an epoxy-molded, high-performance core, as well as inductance rating of 390nH and the ability to handle up to 900mW of power. With additional proper circuitry and tuning, the IHD1EB390L can be used to maintain a stable voltage in a circuit while simultaneously screening out excessive amounts of noise.

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