Fuse Characteristics, Terms and Consideration （融合特点、条件和考虑）.pdfVIP

Please visit /catalogs to view our complete fuse catalog for electronics Fuse Characteristics, Terms and Consideration Factors The purpose of this introductory section is to promote contact resistances, air movement, transient spikes, and a better understanding of both fuses and common changes in connecting cablesize (diameter and length). application details within circuit design. Fuses are essentially temperature-sensitive devices. Even small variations from the controlled test conditions can The fuses to be considered are current sensitive devices greatly affect the predicted life of a fuse when it is loaded designed to serve as the intentional weak link in the to its nominal value, usually expressed as 100% of rating. electrical circuit. Their function is to provide protection of discrete components, or of complete circuits, by reliably The circuit design engineer should clearly understand melting under current overload conditions. This section that the purpose of these controlled test conditions is to will cover some important facts about fuses, selection enable fuse manufacturers to maintain unified performance considerations and standards. standards for their products, and he must account for the variable conditions of his application. To compensate The application guidelines and product data in this guide for these variables, the circuit design engineer who is are intended to provide technical information that will