LQH32MN270J23L

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Fixed inductors are passive electronic components that store energy in the form of a magnetic field. They are composed of an insulated core, typically made of a ferrite material, and a coil of insulated wire wrapped around the core. The inductance of a fixed inductor is determined by the number of turns in the coil and the permeability of the core, and is usually given in unit of henries.

The LQH32MN270J23L is a fixed inductor which is popularly used in DC-DC power supplies, audio systems, power filters, and other applications where stable inductance is needed. Its rated inductance is 270uH while its rated current is 1.2A. It is noted that typical SRF (Self-Resonant Frequency) is 84MHz and typical DCR (DC Resistance) is 0.17ohm.

The working principle of the LQH32MN270J23L is relatively straightforward. When an alternating current is applied to the coil, it creates a magnetic field, this field interacts with the core material, inducing a voltage in the coil. The winding of the coil carries the current to produce the required inductance. As the current changes, the magnetic field also changes, and the induced voltage is proportional to the rate of change in current, making it possible to control the current flow.

In DC-DC power supplies, the LQH32MN270J23L performs two important functions; firstly, it acts to reduce the voltage ripple on the output duties, and secondly, it helps to reduce the switching noise. This is because as the current flow through the inductor, it creates a back EMF which is smoothly transferred to the output duties. The inductance is also heavily relied on in power filters since it helps to low-pass filter the signal that is going through the inductor.

Audio systems also benefit from the usage of the LQH32MN270J23L. Its typically low DCR helps to reduce the ringing noise levels in high frequency amplifier circuits which often results in an improved signal to noise ratio. This combination of inductor low DCR and also its high SRF makes it a valuable component for audio systems.

The LQH32MN270J23L is a versatile and widely used fixed inductor that is able to meet the needs of various types of applications. Its flexibility, high stability and low profile make it a popular choice when it comes to electrical components. Its wide range of uses in DC-DC power supplies, audio systems, power filters, and other applications makes it a reliable and effective component.

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