Bourns provides a recommended PCB layout and land pattern in their application notes and design guides. It's essential to follow these guidelines to ensure optimal performance, low EMI, and high reliability.
To minimize magnetic field interference, keep the inductor at least 5 mm away from sensitive components, and orient the inductor to minimize the magnetic field's impact. You can also use shielding or mu-metal to contain the magnetic field.
The maximum allowable voltage derating for the SRN8040-680M is typically 10-15% below the rated voltage. However, it's recommended to consult with Bourns' application engineers or refer to their voltage derating guidelines for specific applications.
The SRN8040-680M is rated for operation up to 125°C. However, it's essential to consider the inductor's temperature coefficient, self-heating, and potential derating for high-temperature applications. Consult with Bourns' application engineers for specific guidance.
To select the correct inductor value, consider factors such as the operating frequency, current requirements, and desired inductance value. You can use Bourns' online inductor selection tools or consult with their application engineers for guidance.
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