The recommended PCB land pattern for the VLS252010ET-4R7M 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 2.5mm x 1.5mm, with a 0.5mm hole in the center for the inductor's terminal.
The VLS252010ET-4R7M's thermal derating is typically handled by reducing the maximum current rating as the ambient temperature increases. The derating curve can be found in the datasheet, and it's recommended to use a thermal management strategy such as heat sinking or airflow to keep the inductor's temperature within the specified range.
The self-resonant frequency (SRF) of the VLS252010ET-4R7M is typically not specified in the datasheet, but it can be estimated using the inductor's inductance and capacitance values. The SRF can be calculated using the formula: SRF = 1 / (2 * pi * sqrt(L * C)), where L is the inductance and C is the capacitance.
To select the correct inductor for your application, consider factors such as the operating frequency, current rating, inductance value, and physical size. You should also consider the inductor's core material, wire type, and termination style. It's recommended to consult with a TDK Corporation representative or a qualified engineer to ensure the correct inductor is selected for your specific application.
The moisture sensitivity level (MSL) of the VLS252010ET-4R7M is typically specified as MSL 1, which means it can withstand a maximum of 30°C/60%RH for 168 hours. This means that the inductor can be exposed to a certain level of moisture without being damaged, but it's still recommended to follow proper handling and storage procedures to prevent moisture-related damage.
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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.
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