0451.250NRL Circuit Protection

Response Time:	Fast
DC Cold Resistance:	0.5765 Ohms
Size / Dimension:	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CSA, UL
Melting I²t:	0.0158
Breaking Capacity @ Rated Voltage:	50A
Mounting Type:	Surface Mount
Package / Case:	2-SMD, Square End Block
Series:	NANO²® 451
Voltage Rating - DC:	125V
Voltage Rating - AC:	125V
Current Rating:	250mA
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Fuses, a type of electrical switch, are perhaps the most important devices used in electrical and electronic systems. Fuses protect systems from damage due to short circuits, or when a circuit is overloaded with a higher than normal current. Fuses provide a safe means of opening and closing circuits, typically by melting a thin wire when excess heat is generated. 0451.250NRL Fuses are special types of fuses designed to protect specific applications, such as air conditioning systems, computers, and laser technologies. This article will discuss the application field and working principle of 0451.250NRL Fuses.The 0451.250NRL Fuse is designed for use in Electronic Equipment located in severe environments such as submarines and aircraft. The Fuse is fitted with a glass-bodied element for high vibration and high shock resistance, with a rated voltage of 500vac. It conforms to the MIL-F-22010 standard, which means it is compliant with various US Military deployment specifications.The Fuse is ideal for use in all conditions, including extreme temperature, humidity, and vibration. Its high reliability and fast response time make it perfect for Airflow control, high voltage protection, backup power, standby applications, and computer systems.The 0451.250NRL Fuse works by introducing an overload, then opening the circuit when overload current exceeds the rated current. The Fuse is composed of an element, a casing, as well as an arc extinguishing mechanism. When a current flows through the element, heat is generated, and when the element reaches a certain temperature, the Fuse opens.The element is composed of an inert material, such as silicon oxide, and the arc extinguishing mechanism utilises metal alloy strips to disconnect the circuit. The element is inside a protective hermetically sealed casing, made of glass, stainless steel, or some other suitable material.The 0451.250NRL Fuse is designed for use in extreme environments, and is particularly suited to applications requiring high vibration and high shock resistance. It is an ideal choice for applications such as Airflow control, high voltage protection, backup power, standby applications, and computer systems. The Fuse works by introducing an overload and opening the circuit when the overload current exceeds the rated current. It is composed of an element, a casing, and an arc extinguishing mechanism.

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