Bourns provides a recommended PCB layout and land pattern in their application notes (AN16) and on their website. It's essential to follow these guidelines to ensure proper thermal management, minimize parasitic inductance, and optimize performance.
To select the correct inductor, consider factors such as operating frequency, current rating, inductance value, DC resistance, and physical size. Bourns provides a product selection guide and online tools to help engineers choose the right inductor for their application.
The SRF of the CE201210-22NJ inductor is not explicitly stated in the datasheet. However, according to Bourns' application notes, the SRF can be estimated using the following formula: SRF ≈ 1000 / (√(L × C)), where L is the inductance value and C is the equivalent series capacitance. For the CE201210-22NJ, the SRF is approximately 25 MHz.
The CE201210-22NJ inductor is rated for operation up to 125°C. However, derating may be necessary for high-temperature applications. Consult Bourns' temperature derating charts and application notes to ensure the inductor can handle the specific operating conditions.
To minimize EMI issues, follow proper PCB layout and shielding techniques, such as using a ground plane, shielding cans, or mu-metal shielding. Additionally, consider the inductor's magnetic field direction and orientation to minimize coupling with other components.
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