MHQ0402PSA2N3ST000

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Fixed inductors are majorly used in power circuits but also for a variety of other applications. Among them is the MHQ0402PSA2N3ST000 which is marketed as a high reliability SMT inductors. This fixed inductor is used in switching regulator circuits allowing designers to reduce board space and save valuable component cost.

The MHQ0402PSA2N3ST000 is an ideal existing solution for switching regulator circuits thanks to its high performance and reliability. The inductor features a maximum DC current rating of 1.2A and has an inductance range of 4.5mH to 22uH, with a tolerance of ±20%. Due to its miniature size of 0402, this device is also suitable for space-constrained designs. The MHQ0402PSA2N3ST000 offers an operating temperature range of -55°C to +125°C and is RoHS/REACH compliant.

The application field of the MHQ0402PSA2N3ST000 includes consumer electronics, industrial equipment, and computer peripherals. This device is designed for use in all switching regulator circuits such as DC-DC converters, buck and boost converters, buck PC-board regulators, SMPS, and other switching converter circuits.. The MHQ0402PSA2N3ST000 supports multiple topologies and can be used in various low power motor control and power supply applications.

The working principle of the MHQ0402PSA2N3ST000 is fairly simple. The device is based on the concept of electromagnetic induction. This process involves a wire coil being wound around a core material (magnetic or non-magnetic) which is then exposed to a magnetic field. This induces a voltage and creates a current in the electromagnet device.

The core material inside the inductor, usually ferrite, works to minimize the size of the device while providing the required inductance. The core material acts as a direct conductor of electromagnetic energy, which increases the inductance of the coil and ensures the desired behavior is achieved. When voltage is applied to the inductor, it creates a magnetic field which then produces voltage in the coils according to Faraday\'s laws of induction.

The self-resonant frequency of a fixed inductor is an important factor that needs to be taken into consideration. Theself-resonant frequency is determined by the parameters of the core material and the turns ratio of the coil. The higher the self-resonant frequency is, the more efficient the inductor will be.

In summary, the MHQ0402PSA2N3ST000 is a high-quality fixed inductor which helps reduce board space and cost significantly. The core material and design ensure high performance and reliability in switching regulator circuits. Thanks to its small size, high current rating, and wide operating temperature range, the MHQ0402PSA2N3ST000 is suitable for a variety of applications, including consumer electronics, industrial equipment, and computer peripherals.

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