0673.250DRT4P

Package / Case:	Cartridge, Non-Standard (Axial)
DC Cold Resistance:	1.77 Ohms
Size / Dimension:	0.154" Dia x 0.433" L (3.90mm x 11.00mm)
Color:	--
Operating Temperature:	--
Approvals:	CSA, UL
Melting I²t:	0.0252
Breaking Capacity @ Rated Voltage:	50A
Mounting Type:	Through Hole
Series:	673
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	250mA
Fuse Type:	Cartridge, Glass
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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0673.250DRT4P Fuses - Application Field and Working Principle

Fuses are electrical components that are used to protect electric systems and their components against over currents in power systems. The 0673.250DRT4P is one of the many fuses available in the market. It is an industrial fast-acting, high speed, automatic reset fuse. It is built in a small, cylindrical-shaped, plastic housing and can be mounted on a PCB.

Application Field

0673.250DRT4P fuses are primarily used in automotive applications. They can be used in modern electrical systems, such as those found in cars, to protect other components from over-currents due to short circuits or failed components. They are also found in other industries, such as industrial electronics, data processing, communication systems, and automation systems.

Working Principle

The 0673.250DRT4P fuse operates on the same principle as any fuse; it works by "blowing" when too much current passes through it. The fuse consists of a metal wire element, or element, and two metal end caps to contain the element and keep it in its compact size. The element is the part of the fuse that heats up and melts under excess current flow. This causes the circuit to be broken and the device it is protecting to be safe. The unique features of this type of fuse are: 1. Its fast-acting design, which allows it to react quickly to over-currents, 2. its high speed characteristics, which allow it to mitigate voltage spikes, and 3. its automatic reset capability, which allows it to reset itself after the overload has been removed. This makes it a desirable choice in many applications.

Advantages and Disadvantages

0673.250DRT4P fuses are a reliable means of protection in most applications. They are fast-acting, have an automatic reset capability, and can provide protection from voltage spikes. However, there are also some potential drawbacks. For instance, they are not well-suited for use in high-frequency applications as they can be prone to false trips and they do not provide protection against low-level over-currents. Additionally, they are relatively expensive compared to other types of fuses.

Alternatives

The 0673.250DRT4P is just one of the many different types of fuses available. Other fast-acting, high-speed fuses include the 0704.250DRT4P and the 0067.250DRT4P. Alternatives to these fuses include slow-blow fuses, medium-speed fuses, and time-delay fuses. In addition, some applications require more sophisticated protection solutions, such as circuit breakers or surge protectors. Circuit breakers offer the advantage of being able to reset themselves after a fault, while surge protectors provide protection from transient surges and spikes.

Conclusion

The 0673.250DRT4P fuse is a fast-acting, high-speed, and automatic reset fuse designed for automotive applications and other industrial applications. It provides a reliable means of protection against over-currents, but is not suitable for high-frequency applications or protection from low-level over-currents. There are alternatives available, such as circuit breakers and surge protectors, that may be more suitable for some applications. Overall, the 0673.250DRT4P fuse is a reliable and efficient way of protecting electrical systems in automotive and industrial applications from dangerous over-currents.

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