The recommended PCB footprint for the IHLP8787MZER100M5A is a rectangular pad with a length of 4.5 mm, a width of 3.5 mm, and a thickness of 0.5 mm. The pad should have a non-solder mask defined (NSMD) pad shape to ensure proper soldering.
The IHLP8787MZER100M5A has a temperature derating curve specified in the datasheet. To handle thermal derating, ensure that the inductor's operating temperature is within the specified range (up to 125°C). Use a thermal management strategy, such as heat sinking or airflow, to keep the inductor's temperature within the specified range.
The SRF of the IHLP8787MZER100M5A is not explicitly specified in the datasheet. However, based on the inductor's construction and materials, the SRF is typically in the range of 100-200 MHz. To determine the exact SRF, perform a frequency sweep measurement or consult with a Vishay application engineer.
The IHLP8787MZER100M5A is a commercial-grade inductor, and its reliability and performance may not meet the requirements of high-reliability or aerospace applications. For such applications, consider using a higher-reliability inductor, such as those with a higher temperature rating or specialized screening and testing.
To ensure magnetic shielding in a densely populated PCB, use a combination of techniques, such as: (1) orienting the inductor to minimize magnetic field coupling, (2) using a magnetic shield or mu-metal layer on the PCB, (3) placing a ground plane or copper pour near the inductor, and (4) using a shielded inductor or a different inductor design.
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IHLP8787MZER100M5A Overview
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