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, thermal management, and reliability.
To minimize magnetic field interference, keep the inductor at least 5 mm away from sensitive components, such as oscillators, antennas, or magnetically sensitive devices. You can also use shielding techniques, like mu-metal shielding or PCB shielding, to contain the magnetic field.
Bourns recommends derating the voltage by 10-15% to ensure reliable operation and prevent overheating. For the PWR263S-35-7500F, the maximum allowed voltage derating would be around 31.5-32.5 V (85-90% of the rated 35 V).
The SRF is typically not a concern in most DC-DC converter designs, as it usually occurs at frequencies above the converter's operating frequency. However, if your design operates near the SRF, you may need to add damping components or use a different inductor with a higher SRF.
The thermal resistance (Rth) of the PWR263S-35-7500F is typically around 10-15°C/W. This value indicates how much the inductor's temperature will rise above the ambient temperature for a given power loss. You should consider this value when designing your thermal management strategy to ensure the inductor operates within its rated temperature range.
Trust Checks
This model has been provided by an expert contributor.
Expert Contribution
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
PWR263S-35-7500F Overview
Use the download button to access the PWR263S-35-7500F schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like PWR26,
or try a keyword search, such as Metal Glaze/Thick Film Resistors
