Which of These 11 Fuse Selection Factors Have You Overlooked?

 

For the circuit designer, few tasks can be quite as complex as choosing an appropriate fuse for an application. Simply deciphering the information in the various manufacturers’ datasheets and comparing them with the application’s requirements can be extremely time-consuming.

Fuses have been a staple of circuit protection for more than a century. Littelfuse offers a brief history on its website:

The first fuses were simple, open-wire devices, followed in the 1890’s by Edison’s enclosure of thin wire in a lamp base to make the first plug fuse. By 1904, Underwriters Laboratories had established size and rating specifications to meet safety standards. The renewable type fuses and automotive fuses appeared in 1914, and in 1927 Littelfuse started making very low amperage fuses for the budding electronics industry.

The fuses used in electrical/electronic circuits today are current-sensitive devices designed to serve as the weak link in the circuit. They protect discrete components or complete circuits by melting reliably under current overload conditions….Read More

 

Planet Analog Bharat April 2014

 

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