0157008.DR

Response Time:	Fast
DC Cold Resistance:	0.0079 Ohms
Size / Dimension:	0.256" L x 0.146" W x 0.154" H (6.50mm x 3.70mm x 3.90mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	cULus, PSE
Melting I²t:	20.23
Breaking Capacity @ Rated Voltage:	50A
Mounting Type:	Holder, Surface Mount
Package / Case:	2-SMD, Square End Block with Clip
Series:	NANO²® 157
Voltage Rating - DC:	125V
Voltage Rating - AC:	125V
Current Rating:	8A
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 and their Applications – 0157008.DR Fuses are devices used to ensure electrical system safety by interrupting the current in the event of a short circuit or other overload conditions. They are one of the most important safety features of most industrial and commercial electrical systems. Fuses come in a variety of shapes, sizes, and material configurations to meet a variety of applications. In this article, we will discuss the application and working principles of the 0157008.DR fuse.The 0157008.DR fuse contains a series of parallel-arranged cylindrical elements made of extremely strong, thermally non-conductive sapphire or other insulating material. In the middle is a metal cylinder filled with a low melting point metal alloy which operates as the fuse element. The top and bottom of the cylinder have points which contact the ends of the elements when the fuse is triggered, creating an effective physical break in the flow of electricity, interrupting the flow and preventing further increase of current.The 0157008.DR has been designed for use in high current applications such as motors, power supply systems, and other industrial and commercial electrical systems that require full voltage or power to operate. The fuse has a current rating of 100 amps and a voltage rating of 600 volts AC or 1,000 volts DC. It is also suitable for low current applications due to its temperature rating of -55 to +125 degrees Celsius, which allows it to be used in both hot and cold environments.In addition to being used as an in-line fuse, the 0157008.DR can also be mounted on a terminal block or in an electrical enclosure. This makes it easy to integrate the fuse into existing systems or new systems. The design of the fuse ensures that when the current is interrupted, a loud audible signal is generated, warning personnel of any issue with the system. This makes troubleshooting and maintenance simpler and faster.The operating principle of the 0157008.DR fuse is simple yet effective. When energized, the electric current passes through the fuse elements to the metal cylinder. The temperature generated within the cylinder due to the electric current causes the low melting point metal alloy to soften. As the alloy softens, the resistance of the metal cylinder increases, thus reducing the current that is able to pass through the circuit. This eventually causes the connections between the top and bottom contact points to break, interrupting the electric current and effectively protecting the circuit from further damage.The 0157008.DR fuse is a reliable, cost-effective solution for high current applications. Its small size and ability to generate an audible signal make it particularly suitable for use in a wide range of industrial and commercial electrical systems. The ease of installation and its durability make it an ideal choice for protecting electrical systems against overloads and short circuits.

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