LQM21PN1R0MGHL Inductors, Coils, Chokes

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Introduction to Fixed Inductors

Fixed inductors are components that are capable of storing energy in the form of static magnetic fields. Inductors are advantageous in situations where electrical signals need to be filtered, amplified, or smoothed, as well as when digital or analog signals need to be isolated from each other or regulated. More specifically, fixed inductors are electrical components that contain a coil of insulated metallic wire or a ferrite core that is able to store an amount of energy dependent upon its design. This stored energy is released in the form of an electric current, and the strength of the current is regulated by the properties of the inductor. The type of inductor in use, whether it is an air-core, ferrite core, pancake type, bobbin type, shielded type, or any other design, will determine the purpose and operating parameters of the component.

LQM21PN1R0MGHL Application Field and Working Principle

One type of fixed inductor is the LQM21PN1R0MGHL, a surface mount, low profile device that is commonly used in the manufacture of circuit boards that require filtering, current limiting, impedance matching, and other functions. This device is a shielded power inductor, a type of inductor that is designed to pick up and store energy from the magnetic fields generated by the current it is exposed to. This inductor can be used on AC or DC power signals, and is designed to dissipate low to medium amounts of power at circuit board frequencies.

The LQM21PN1R0MGHL is a surface-mount inductor featuring a vertical mounting structure with an inductance range of 1-1000 mH, a saturation current up to 16A, self-resonant frequencies up to 200MHz, and a maximum DC resistance of 0.27ohms. The inductor also features a ferrite core material that is resistant to variations in temperature and dissipates heat effectively, making it suitable for a variety of applications requiring low to medium power outputs. Additionally, the shielded structure of this inductor provides excellent noise rejection characteristics and helps to reduce electromagnetic interference, making it an ideal choice for many circuit board designs.

The working principle of the LQM21PN1R0MGHL is relatively simple. When exposed to an electrical current, the inductor stores energy from the magnetic fields that are created. This energy is then gradually released in the form of an electric current while the inductor is connected to the electrical circuit, allowing the current to remain steady and consistent. The strength and frequency of the electric current are regulated by the design of the component, meaning that depending on the inductance range, saturation current, and other design parameters, the current will vary depending on the application.

Conclusion

The LQM21PN1R0MGHL is a type of shielded, surface mount, low profile inductor that can be used in a variety of applications for signal or power storage. Its shielded structure makes it an ideal choice for those looking to reduce electromagnetic interference, while its low profile makes it well-suited for high density circuit board designs. Its ferrite core material provides excellent temperature and heat dissipation capabilities, making it suitable for use in a wide range of applications requiring low to medium power outputs.

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