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.
To minimize electromagnetic interference (EMI), keep the inductor at least 5 mm away from sensitive components. You can also use shielding techniques, such as copper tape or mu-metal shielding, to contain the magnetic field.
Bourns recommends derating the voltage by 10-15% to ensure reliable operation. For the 4610X-101-331LF, this means not exceeding 80-85% of the rated voltage (33V) to account for voltage spikes and transients.
The 4610X-101-331LF is rated for operation up to 125°C. However, it's essential to consider the inductor's temperature coefficient and potential degradation of performance at elevated temperatures. Consult Bourns' application notes for guidance on high-temperature operation.
The self-resonant frequency (SRF) of the 4610X-101-331LF is approximately 150 MHz. To avoid unwanted resonance, ensure your design's operating frequency is below the SRF or implement filtering or damping techniques to mitigate potential issues.
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