Bourns provides a recommended PCB layout and land pattern in their application notes. It's essential to follow these guidelines to ensure proper thermal management, minimize parasitic inductance, and optimize performance.
The 3339P-1-501LF is designed to minimize electromagnetic interference (EMI) and radio-frequency interference (RFI). The shielded construction and internal Faraday shield help to reduce electromagnetic radiation and susceptibility.
Bourns recommends derating the voltage by 10-15% to ensure reliable operation and prevent overheating. This means that for a 50V rated inductor, the maximum allowable voltage would be around 42.5-45V.
The 3339P-1-501LF is rated for operation up to 125°C. However, it's essential to consider the temperature coefficient of inductance and the potential for thermal runaway. Consult with Bourns or a thermal management expert for high-temperature applications.
Bourns recommends using a suitable adhesive, such as a thermally conductive epoxy, to secure the inductor to the PCB. Additionally, consider using a mechanical clamp or bracket to prevent vibration and mechanical stress.
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3339P-1-501LF Overview
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