LQH32DN331K23L

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Fixed inductors, also known as chokes, store energy in the form of an electromagnetic field when current passes through them. The LQH32DN331K23L is a fixed inductor that is commonly used in power supply for consumer electronics. It is a surface mountable device composed of a core and windings.

The core is made of a ferrite material allowing for better heat dissipation and improved efficiency. The windings are made of either copper or aluminum wires with a varying number of turns. The turns of the windings determine the inductance value, and hence, the device’s application.

The LQH32DN331K23L is a low-profile, RoHS compliant device with a great power handling capacity and a wide operating temperature range from -55°C to +125°C. It is capable of handling 0.7 A of continuous current without any noticeable power dissipation. The inductance value for this device is 3.3µH ± 10%, allowing it to be used in many different applications.

The primary application for the LQH32DN331K23L is as a power supply input filter. It is used to reduce the amount of noise and transients on power supplies which can be radiated or conducted. This helps to ensure that the device being powered is not affected by noise coming from its power supply. It can also be used to reduce switch mode power supply (SMPS) harmonics in switch mode DC-DC converters and step-down regulator circuits.

The working principle of the LQH32DN331K23L is relatively simple. When a current passes through the windings of the device, it generates an electromagnetic field around it. This field stores some of the energy from the current, which is then released when the current is turned off. This has the effect of dampening any transients or noise on the current, and thus providing a smoother DC current.

In summary, the LQH32DN331K23L is a fixed inductor which is widely used in power supply circuitry for consumer electronics. It is designed to reduce noise and transients on power supplies, providing a cleaner DC output. Its low-profile design, coupled with its high power handling capacity and RoHS compliance makes it an ideal choice for many applications.

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