MHQ1005P4N7BT000

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Fixed Inductors: MHQ1005P4N7BT000 Application Field and Working Principle

Fixed inductors are electrical components which store energy in form of a magnetic field. They are widely utilized in various consumer applications such as audio systems and electric motors. The MHQ1005P4N7BT000 fixed inductor is essentially a miniature ferrite core inductor commonly used in switching power supplies as a power source component. This type of inductor offers some advantages over the previous models, such as a smaller size and higher efficiency.

Description

The MHQ1005P4N7BT000 fixed inductor has a coil diameter of 1mm, shape of a flat, and corresponds to a ceramic core size of 1005. Its rated inductance is from 0.40 μH to 4.7 μH at a rated current from 1.00A to 4.00A with typical self-resonance frequency of 20MHz. This kind of inductor offers a wide range of frequency range from DC to 100MHz or higher. It can act as an effective filter against high frequency noise and generate low impedance at specified frequency. Furthermore, the inductor is encapsulated and generally could operate from -55 to +125 ℃.

Application Field

The MHQ1005P4N7BT000 fixed inductor is usually used in low noise power supplies, high precision power circuits when filtering noise or interference is required. It is extensively applied in the automotive industry for power steering, ABS braking, and air conditioning. In addition to that, the inductor could be used to filter out high frequency noise in consumer electronics like audio systems, electric motor drive, as well as in various air supply systems.

Working Principle

A fixed inductor functions by limiting alternating current in an AC circuit to avoid too much power being used or storing too much energy from the source. It works in the same way that a transformer works, but on a much smaller scale. A fixed inductor consists of a coil of wire wound around a ferrite core and two terminals, allowing current to be transferred through the device. When an alternating current is applied to the terminals, the core generates and stores a magnetic field proportional to the amount of current. On the other hand, when the current is removed, the magnetic field will slowly decay and release its energy over time. This stored energy can be used to regulate the current and voltage levels in a circuit.

Conclusion

The MHQ1005P4N7BT000 fixed inductors are effective power components for various applications and offer some advantages over previous models such as being smaller and more efficient. The inductor is commonly used in low noise power supplies, automotive industry, air supply systems, and consumer electronics like audio systems. It functions by limiting AC current flow in circuits and generating a magnetic field when current flows through it. This stored energy can be used to regulate circuit current and voltage levels.

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