LQH55DN150M03L Inductors, Coils, Chokes

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Fixed Inductors are components used in electronic circuits as electrical conductors. They come in all shapes and sizes, and one of the more common types of Fixed Inductors is the LQH55DN150M03L. This part is a general-purpose inductor with low distributed capacitance that is suitable for a wide range of applications in electronics.

The LQH55DN150M03L comes in a variety of sizes, with a total inductance of 150μH. The electrical specifications for the component include a rated current of 17.5 Amps, an insulation resistance of 5 kΩ, and a self-resonant frequency of 100 GHz. The manufacturer also specifies that the inductance temperature coefficient is ±10% of its initial value.

The main application of the LQH55DN150M03L is in switch-mode power supplies. It is used in applications where ripple current needs to be minimized, and also in noise suppression devices. Other applications include voltage and current sensing, EMI filtering, overvoltage protection, and LED lighting.

The general working principle of the LQH55DN150M03L is the same as that of most other fixed inductors. When current passes through the component, it induces a magnetic field which creates an alternating back electromotive force (EMF). This EMF counteracts the current, reducing the amount of current that flows through the inductor. This phenomenon is known as inductive reactance, and it is the characteristic of a fixed inductor that makes it useful in various applications.

The LQH55DN150M03L has several features that make it ideal for a range of electronic applications. Its construction includes a heavy-duty copper coil that provides increased inductance and encourages better power transfer. The component also has a high self-heat dissipation coefficient and a temperature coefficient of Inductance that is low enough for high-temperature applications. Furthermore, it has a wire-bonded base that is designed to allow a low-resistance connection with the circuit.

Overall, the LQH55DN150M03L is an excellent choice for applications that require an inductor with high inductance and a reliable performance over a wide temperature range. With its low distributed capacitance, high-temperature resistance, and high-current capability, it is especially suitable for use in switch-mode power supplies and other high-current applications. The component’s fixed inductor properties also make it useful in other applications, such as voltage and current sensing, EMI protection, and LED lighting.

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