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 avoid cold solder joints, ensure the PCB is clean and free of oxidation. Use a soldering iron with a temperature range of 250°C to 270°C, and apply a small amount of solder paste or flux. Use a soldering technique that ensures a smooth, even flow of solder around the fuse leads.
The maximum allowable voltage derating for PWR263S-20-1003F is typically 10-15% below the rated voltage. However, it's recommended to consult with Bourns' application engineers or refer to their design guides for specific derating guidelines.
The PWR263S-20-1003F is rated for operation up to 125°C. However, the fuse's performance and reliability may degrade at higher temperatures. Consult with Bourns' application engineers or refer to their design guides for specific guidance on using this fuse in high-temperature environments.
To minimize downtime and ensure safe operation, follow a controlled shutdown procedure, disconnect power to the circuit, and replace the fuse with an identical or equivalent part. Ensure the replacement fuse is properly installed and secured to prevent electrical shock or other hazards.
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-20-1003F Overview
Use the download button to access the PWR263S-20-1003F 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
