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, to contain the magnetic field.
While the datasheet specifies a maximum rated current, it's essential to consider the voltage across the inductor as well. As a general rule, keep the voltage across the inductor below 1.5 times the maximum rated voltage to prevent saturation and ensure reliable operation.
The self-resonant frequency can affect the inductor's performance. To mitigate this, use a series resistor or a damping resistor to reduce the Q factor and prevent unwanted oscillations. You can also use a ferrite bead or a common-mode choke to filter out high-frequency noise.
To prevent damage, store the inductors in their original packaging, away from direct sunlight and moisture. Avoid bending, flexing, or twisting the leads, as this can cause mechanical stress and reduce the inductor's lifespan.
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3590P-2-203L Overview
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