42250

Series:	*
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Mounting Type:	Through Hole
Package / Case:	Fuse Link
Size / Dimension:	6.535" L x 0.748" W (166.00mm x 19.00mm)

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Electrical, Specialty Fuses // 42250 Application Field and Working Principle

The 42250 is a type of specialty fuses manufactured by T&T Fuses, designed mainly for commercial, industrial, and military electronics applications. This fuse incorporates advanced load sensing technology, which allows the fuse to determine the load on the current path, and to react accordingly when current levels exceed the rated current values. This feature is particularly useful in highly variable current paths, where it is difficult to predict the current levels. The 42250 is composed of a cylindrical metal body with two wire leads at the top and bottom, and a ceramic insert inside. The ceramic insert contains a protected resistor, which senses and controls the current flowing through the fuse. When too much current passes through, the resistor will heat up and cause the ceramic insert to expand, expanding the metal body, and thus breaking the connection between the two wire leads.The 42250 provides several features that make it a viable option in many applications. It is able to detect and control current levels with high precision, and is capable of withstanding severe temperature fluctuations, making it an ideal choice for a variety of applications. It is also designed for ease of installation and maintenance, and is lightweight enough to be used in areas where space is at a premium. The 42250 is most commonly used in heavy-duty commercial, industrial, and military electronics applications, as well as in high-voltage equipment. Some examples include telecommunications equipment, mobile radios, motor control systems, laser systems, and patient monitoring systems. In these applications, the 42250 is often used to protect sensitive components from short circuits, current overloads, and equipment damage due to temperature fluctuations. The 42250 is also an attractive choice due to its ability to operate from extremely low currents to relatively high currents, ranging from 10mA to 250A. This wide range of operating current levels makes it an attractive choice for a variety of applications. Overall, the 42250 is an excellent choice for a variety of applications, particularly in high-voltage and highly variable current paths. Its ability to detect and control current with high precision, its reliability and durability, and its lightweight and easy to install design, make it an ideal choice for many applications.

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