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 voltage, it's essential to consider the voltage stress during switching transitions. As a general rule, keep the voltage stress below 1.5 times the rated voltage to ensure reliability.
The SRF is typically not specified in the datasheet. You can estimate the SRF using the inductor's inductance and capacitance values. A higher SRF can lead to unwanted resonances in your design. Consider using an inductor with a higher SRF or adding a damping resistor to minimize the impact.
Store the inductors in their original packaging, away from direct sunlight and moisture. Avoid bending, flexing, or applying excessive mechanical stress, which can cause damage to the internal windings or terminations.
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3386F-1-502TLF Overview
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