MHQ0402PSA1N9ST000

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Fixed inductors are components used in various electronic circuits, such as power supplies, communication systems, and even signal processors. The MHQ0402PSA1N9ST000 is a fixed-inductor component from Vishay Semiconductor. It is the perfect solution for high-frequency applications that require a small package size and high-inductance values. Below is a brief discussion of the application field and working principle of this component.

Application Field

The MHQ0402PSA1N9ST000 is best suited for applications where small package size and high inductance values are required. It has a compact leadless (chip-style) package size of 0402, with a rated inductance of 1.9 nH. Its operating frequency range spans up to 1 GHz. This covers a wide range of applications, from switching power supplies, audio/video, data communication, and low-power RF transmitter and receivers.

The MHQ0402PSA1N9ST000 is an ideal component for use in high-density printed circuit boards (PCBs). Its ultra-compact size allows the inductor to fit into tight spaces, giving circuits more room for other components. Its low ESR and high current ratings make it suitable for power systems applications.

Another advantage of the MHQ0402PSA1N9ST000 is its temperature stability. It is rated for operation up to 125 °C, making it suitable for high-reliability military and aerospace applications.

Working Principle

The core material of the MHQ0402PSA1N9ST000 is made up of a ferrite core, which is a type of permanent magnet. The winding material is composed of ultra-fine wires. When a current flows through the inductor, it creates a magnetic field around it. This causes the voltage across the inductor to increase, which is known as inductance. The amount of inductance is determined by the size, shape, and number of turns of the inductor.

The MHQ0402PSA1N9ST000 also has a self-shielding feature, which prevents the magnetic field around the inductor from interfering with other components. This helps reduce circuit noise and makes it suitable for use in high-frequency, low-noise applications.

The MHQ0402PSA1N9ST000 also has a rated current of 110 mA, which makes it suitable for use in power supply applications. Its low resistance also helps reduce power loss in the circuit and improves overall system efficiency.

Conclusion

The MHQ0402PSA1N9ST000 is a compact and highly reliable fixed-inductor component. Its small size and high inductance values make it suitable for a wide range of applications, from switching power supplies to data communication systems. Its self-shielding feature and low resistance also make it ideal for high-frequency and low-noise applications. Its temperature stability and high current ratings make it suitable for use in high-reliability military and aerospace applications. All in all, the MHQ0402PSA1N9ST000 is an excellent choice for any application requiring a small package size and high-inductance values.

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