The recommended PCB footprint for the MLRR-4-17-23 is a rectangular pad with dimensions of 3.8mm x 1.9mm, with a 1.1mm diameter hole in the center for the fuse's leads.
To determine the correct fuse rating, consider the maximum current and voltage ratings of your circuit, as well as the desired response time and fault current. Consult the Littelfuse fuse selection guide or consult with a Littelfuse representative for guidance.
The MLRR-4-17-23 is rated for operation up to 125°C. However, it's essential to consider the fuse's derating curve and ensure the fuse is not exposed to temperatures above its rating. Consult the datasheet for more information.
Littelfuse recommends a soldering profile with a peak temperature of 260°C, a dwell time of 10-30 seconds, and a ramp-up rate of 3-4°C/second. Consult the datasheet for more information.
Yes, the MLRR-4-17-23 is compatible with lead-free soldering processes. However, it's essential to follow the recommended soldering profile and ensure the soldering process is optimized for lead-free solder.
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MLRR-4-17-23 Overview
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