The recommended PCB land pattern for NLV25T-101J-EFD can be found in the TDK Corporation's 'Chip Inductors for General Use' application note (PDF). It provides detailed information on the recommended land pattern, including dimensions and layout considerations.
The thermal derating of NLV25T-101J-EFD is typically handled by reducing the maximum current rating as the operating temperature increases. TDK provides a thermal derating curve in the datasheet, which can be used to determine the maximum current rating at a given temperature. Additionally, it's essential to ensure good thermal design and heat dissipation in the PCB to minimize temperature rise.
While the NLV25T-101J-EFD is a general-purpose inductor, it can be used in high-frequency applications up to several hundred kHz. However, its performance may degrade at very high frequencies (e.g., above 1 MHz) due to its internal resistance and inductance characteristics. For high-frequency applications, it's recommended to consider TDK's high-frequency inductor series, such as the NLV25T-H series.
The maximum allowable voltage for NLV25T-101J-EFD is not explicitly stated in the datasheet. However, as a general guideline, it's recommended to limit the voltage across the inductor to 1.5 times the rated voltage (in this case, 1.5 x 10V = 15V) to ensure reliable operation and prevent damage.
While the NLV25T-101J-EFD has a relatively high current rating (1.2 A), it's essential to consider the inductor's power dissipation and thermal characteristics when designing for high-current applications. Ensure that the PCB design and thermal management can handle the increased power dissipation, and consider using a larger inductor or a different series (e.g., TDK's high-current inductor series) if necessary.
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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.
