The recommended land pattern for the B82622S0173L030 can be found in the TDK Corporation's application note or footprint library. 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 B82622S0173L030's thermal derating is typically handled by reducing the maximum current rating as the operating temperature increases. TDK Corporation provides a thermal derating curve in the datasheet, which shows the maximum current rating at different temperatures. Engineers should ensure that their design stays within the recommended current rating at the expected operating temperature.
The self-resonant frequency (SRF) of the B82622S0173L030 is not explicitly stated in the datasheet. However, 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. For the B82622S0173L030, the estimated SRF is around 100-150 MHz.
The B82622S0173L030 is a general-purpose inductor suitable for a wide range of applications, including high-frequency circuits. However, its performance at high frequencies may be limited by its parasitic capacitance and resistance. Engineers should carefully evaluate the inductor's impedance characteristics at the desired frequency range to ensure it meets their application's requirements.
To ensure the reliability and longevity of the B82622S0173L030, engineers should follow proper storage, handling, and soldering procedures. They should also ensure that the inductor is operated within its recommended specifications, including current rating, voltage rating, and temperature range. Additionally, a robust PCB design and layout can help minimize mechanical stress and thermal gradients that may affect the inductor's performance.
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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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