The recommended land pattern for the MHQ0402PSA3N5BT000 can be found in the TDK Corporation's application note or on their website. It typically includes a rectangular pad with a size of 0.5mm x 1.2mm, with a 0.2mm gap between the pads.
The thermal derating of the MHQ0402PSA3N5BT000 inductor is typically handled by reducing the maximum current rating as the operating temperature increases. The derating curve can be found in the datasheet or in TDK's application notes. As a general rule, the current rating is reduced by 1.5% for every 1°C increase above 70°C.
The self-resonant frequency (SRF) of the MHQ0402PSA3N5BT000 inductor is not explicitly stated in the datasheet, but it can be estimated using the inductor's inductance value and the parasitic capacitance. Typically, the SRF is around 100-200 MHz for this type of inductor.
The MHQ0402PSA3N5BT000 inductor is designed for general-purpose use and may not be suitable for high-frequency applications above 100 MHz. For high-frequency applications, TDK offers specialized inductors with lower parasitic capacitance and higher SRF. Consult the datasheet or contact TDK for more information.
To ensure the reliability of the MHQ0402PSA3N5BT000 inductor in a high-reliability application, follow proper storage, handling, and soldering procedures. Also, consider using a inductor with a higher temperature rating, such as 125°C or 150°C, and ensure that the operating conditions are within the specified ratings.
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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.
