LAN02KRR39K

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Fixed inductors, also known as chokes or coils, are commonly used electrical components found in many electrical and electronic devices. The LAN02KRR39K is a particular type of fixed inductor, designed for use in high-frequency applications. This part is especially useful for applications such as power supply noise filters, buck and boost converters, and DC/DC converters.

The LAN02KRR39K is a three-pin, SMD inductor with a rated inductance of 2.2µH. It features a low current DCR and low profile design, making it suitable for tight space applications. The maximum operating temperature range for this part is rated from -55°C to +125°C. The product can also resist physical stress due to its robust construction and sturdy shell.

In terms of working principle, the main purpose of a fixed inductor is to create and store a magnetic field from a current flowing through a coil of wire, and returning the energy to the circuit when the current stops flowing. This phenomenon is known as magnetic induction. The magnetic field that is produced when a current is applied to the inductor affects the current flow and voltage drop in the circuit. It can also act as a filter, blocking certain frequencies and allowing others to pass through.

The LAN02KRR39K employs the principal of inductive reactance to achieve its intended performance. This type of inductor is specifically designed with an air core, which allows for a higher Q value and greater frequency response than traditional inductors, allowing it to handle high frequencies up to 4GHz. The inductance, or amount of stored energy in the inductor, is determined by the number of turns of wire in the inductor, and its physical size.

The LAN02KRR39K also offers superior heatsinking capabilities due to its low profile design. By dissipating heat more efficiently, it is capable of providing greater reliability and improved performance. It also features a high self-resonance frequency, which helps reduce the effects of crosstalk in noisy environments.

Overall, the LAN02KRR39K is an ideal choice for the design of high frequency applications such as power supply noise filters, buck and boost converters, and DC/DC converters. Its low current DCR and low profile design make it ideal for tight space applications, while its superior heatsinking capabilities and high self-resonance frequency can help reduce the effects of crosstalk in noisy environments.

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