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.
While the datasheet specifies a maximum rated current, it's essential to ensure the voltage across the inductor doesn't exceed the specified maximum. Exceeding this voltage can lead to premature failure or reduced lifespan.
The self-resonant frequency can affect the inductor's performance. To mitigate this, use a series resistor or capacitor to dampen the resonance. You can also use a different inductor with a higher self-resonant frequency.
The inductor's behavior under high-frequency switching conditions can be affected by factors like core losses, skin effect, and proximity effect. Consult Bourns' application notes or contact their support team for guidance on specific use cases.
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3223W-1-102E Overview
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