Schurter recommends a minimum PCB spacing of 2mm between the fuse and other components, and a minimum of 1.5mm between the fuse and the PCB edge. A larger spacing is recommended for high-voltage applications.
The 4840.2220 fuse is rated for operation up to 125°C, but its performance may degrade above 100°C. For high-temperature applications, Schurter recommends using a fuse with a higher temperature rating, such as the 4840.2221.
The 4840.2220 fuse is designed to withstand moderate vibrations, but it may not be suitable for extreme vibration environments. Schurter recommends using a fuse with a higher vibration rating, such as the 4840.2222, for applications with high vibration levels.
The 4840.2220 fuse is not designed for use in humid or wet environments. Schurter recommends using a fuse with a higher moisture rating, such as the 4840.2223, for applications with high humidity or exposure to water.
Schurter recommends a soldering profile with a peak temperature of 260°C, a dwell time of 3-5 seconds, and a cooling rate of 4°C/second. The soldering process should be done in accordance with the IPC-J-STD-020 standard.
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4840.2220 Overview
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