The recommended PCB land pattern for the 5500R-686K is a rectangular pad with a minimum size of 0.25 inches (6.4 mm) x 0.15 inches (3.8 mm) and a maximum size of 0.35 inches (8.9 mm) x 0.25 inches (6.4 mm), with a non-solder mask defined (NSMD) pad shape.
To handle thermal considerations, ensure good airflow around the inductor, keep it away from heat sources, and use a thermal interface material (TIM) with a thermal conductivity of at least 1 W/m-K between the inductor and the PCB. The maximum operating temperature is 125°C, with a derating of 1.25% per °C above 80°C.
The 5500R-686K's current rating is based on a maximum temperature rise of 40°C above ambient. The current rating decreases as the temperature increases. For example, at 125°C, the current rating is approximately 60% of the rated current at 25°C.
To ensure reliability in high-vibration environments, use a secure mounting method, such as soldering or adhesive bonding, and consider using a potting compound or conformal coating to prevent mechanical stress and moisture ingress.
The 5500R-686K has a magnetic shield that provides a minimum of 30 dB of EMI shielding effectiveness in the frequency range of 100 kHz to 1 GHz.
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5500R-686K Overview
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