The recommended land pattern for the VLS4012ET-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 3.5mm x 2.5mm, with a 0.5mm hole in the center for the inductor's terminal.
The VLS4012ET-4R7M has a maximum operating temperature of 125°C. To ensure reliable operation, it's essential to consider thermal management by providing adequate airflow, using thermal vias, and keeping the component away from heat sources.
The self-resonant frequency of the VLS4012ET-4R7M is not explicitly stated in the datasheet. However, it can be estimated using the inductor's inductance and capacitance values. Typically, it falls in the range of 100-200 MHz.
While the VLS4012ET-4R7M is designed for high-frequency applications, its performance may degrade above 100 MHz. It's essential to evaluate the inductor's impedance and loss characteristics at the desired frequency to ensure it meets the application's requirements.
The VLS4012ET-4R7M meets various safety standards, including UL, EN, and IEC. To ensure compliance, follow the recommended PCB layout, use the inductor within its specified operating conditions, and consider any necessary certifications or approvals for the end application.
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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.
