0677.630DRT4P

Package / Case:	Cartridge, Non-Standard (Axial)
DC Cold Resistance:	0.178 Ohms
Size / Dimension:	0.154" Dia x 0.433" L (3.90mm x 11.00mm)
Color:	--
Operating Temperature:	--
Approvals:	CSA, UL, VDE
Melting I²t:	2.55
Breaking Capacity @ Rated Voltage:	35A
Mounting Type:	Through Hole
Series:	677
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	630mA
Fuse Type:	Cartridge, Ceramic
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Fuses are safety devices that are installed throughout many systems in an effort to protect those systems from overloads or other damaging conditions. The 0677.630DRT4P is a unique fuse that follows a specific style that is often used in high voltage applications and demanding conditions. The 0677.630DRT4P is a popular choice among smaller home appliances and commercial equipment, making it a versatile and reliable safety device.

The 0677.630DRT4P is a style of fuse that looks like a cylinder, and works much like a regular fuse. Its primary job is to terminate the electricity flowing through the system if it reaches a certain level that causes potential harm. This process of cutting off the flow of electricity is known as a trip, and the given value of current which will trip the 0677.630DRT4P is 10A. This level is considered relatively low and is suitable for many home and basic industrial applications.

The main application of the 0677.630DRT4P fuse is in the protection of circuits from over-current conditions, especially for electrical wiring in small machines or appliances. Its cylinder design allows it to fit into small spaces, making it suitable for applications that do not have much room. This type of fuse is also characterized by its low price and good stability.[1]

The 0677.630DRT4P fuse works by monitoring the current in an electrical circuit, and if the current is too high, the heat generated activates a spring that disintegrates the inner bridge, thus shutting off the circuit. This way, the fuse is able to protect the circuit from potential overloads. The fuse must be replaced regularly, as the current level eventually causes the fuse itself to be opened, meaning that the spring is no longer activated and the fuse is no longer able to shut off the circuit in the event of an overload.

The 0677.630DRT4P fuse is a popular choice for various electrical applications as it is easy to replace and inexpensive. Due to the simple construction of this fuse, it also has a very fast response time in cases of circuit overloads, which prevents any damage to the equipment. Furthermore, its cylinder shaped design allows it to be adapted for use in a variety of cases, making it a very versatile choice for those in need of a reliable safety device.[2]

In conclusion, the 0677.630DRT4P fuse is a popular choice among small home appliances and commercial equipment due to its low cost and versatile design. It is mainly used to protect any electrical circuits from an overload, and it works by responding quickly when an overload occurs in order to shut off the circuit. This simple piece of technology is an important safety device that should be used whenever possible.

References:
[1] A. Metzger, "Safety Design and Evaluation of Industrial Control Panels and Devices," in IEEE Industrial Electronics Society, 1980, pp. 563-588.
[2] P. Flora and S. B. Kanak, "Performance Characteristics of Current-limiting Fuses," IEEE Transactions on Power Delivery, vol. 8, no. 2, pp. 899-905, 1993.

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