The recommended PCB land pattern can be found in the TDK Corporation's application note or on their website. It typically includes a rectangular pad with a size of around 3.5mm x 2.5mm, with a 1.5mm diameter hole in the center for the inductor's terminal.
The thermal derating of the NLCV25T-6R8M-EF inductor is typically handled by reducing the maximum current rating as the ambient temperature increases. The derating curve can be found in the datasheet or in TDK's application notes. As a general rule, the current rating should be reduced by 1.5% to 2% for every degree Celsius above 70°C.
The self-resonant frequency (SRF) of the NLCV25T-6R8M-EF inductor is typically not specified in the datasheet, but it can be estimated using the inductor's inductance value and the parasitic capacitance. As a rough estimate, the SRF can be calculated using the formula: SRF = 1 / (2 * pi * sqrt(L * C)), where L is the inductance value and C is the parasitic capacitance.
The NLCV25T-6R8M-EF inductor is designed for general-purpose use and may not be suitable for high-frequency applications above 1 MHz. The inductor's core material and winding structure may not be optimized for high-frequency operation, and the inductor's impedance may increase significantly at high frequencies. For high-frequency applications, it's recommended to use an inductor specifically designed for high-frequency use.
To ensure the reliability and longevity of the NLCV25T-6R8M-EF inductor, it's recommended to follow proper storage and handling procedures, avoid mechanical stress and vibration, and operate the inductor within its specified temperature and current ratings. Additionally, it's recommended to use a suitable PCB material and layout, and to ensure good soldering and assembly practices.
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About TDK
TDK-Lambda is a global supplier of power supplies and related products. It is a subsidiary of TDK Corporation, a leading electronics company based in Japan. TDK-Lambda specializes in designing and manufacturing a wide range of AC-DC power supplies, DC-DC converters, programmable power supplies, and EMC/EMI filters for various industries and applications.
