LQG18HH2N7S00D

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Fixed inductors, or choke coils, are components that store electrical energy by introducing inductance into a circuit. The LQG18HH2N7S00D is a type of fixed inductor designed for use in power supply circuits. It consists of a two-winding, air-core inductor, winded onto an epoxy/fiberglass core. The inductance of this component is chosen to meet the desired frequency response.

The LQG18HH2N7S00D is designed for use in a variety of applications. In continuing electronic circuits, these devices provide inductive reactance, which can be used to filter out unwanted frequencies or to balance power levels between two stages. As a component in an AC-DC converter, this component can act as part of the current limit circuit. The added inductance also helps the converter remain stable by adding inductive voltage drops, thereby increasing both the efficiency and accuracy of the converter.

In addition to the power supply applications, the LQG18HH2N7S00D can also be used in audio and signal applications. The inductance of this component can help reduce noise and interference from other signals. In this capacity, the choke coil functions as a low-pass filter, allowing only frequencies above the cutoff frequency to pass through. This reduces the impact of noise and interference on the signal, providing a cleaner output.

The working principle of the LQG18HH2N7S00D is based on the same principles as all inductors: when current flows through a coil, a magnetic field is created, which resists changes in the current. This inductive reactance is proportional to the magnitude of the current and the inductance of the coil. In the passive filter applications, this resistance is used to filter out frequencies at or below the cutoff frequency. In the power converter applications, this resistance is used to prevent current surges, thus maintaining the desired AC-DC transfer performance. By choosing the appropriate inductance, the cutoff frequency and current surge limits can be tailored to the specific requirements of the application.

In summary, the LQG18HH2N7S00D fixed inductor is designed for use in power supply and signal applications. It is a two-winding, air-core inductor, winded onto an epoxy/fiberglass core, with a chosen inductance to meet the desired frequency response. The inductor functions by introducing inductive reactance into the circuit, which can be used to filter out unwanted frequencies or to limit the current in an AC-DC converter. This inductor is ideal for applications that require precise control of current levels or accuracy in the signal output.

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