F0603E0R50FSTR Circuit Protection

Package / Case:	0603 (1608 Metric)
DC Cold Resistance:	0.25 Ohms
Size / Dimension:	0.063" L x 0.032" W x 0.025" H (1.60mm x 0.81mm x 0.63mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	cUL, UL
Melting I²t:	0.0003
Breaking Capacity @ Rated Voltage:	50A
Mounting Type:	Surface Mount
Series:	Accu-Guard® II
Response Time:	Fast
Voltage Rating - DC:	32V
Current Rating:	500mA
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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F0603E0R50FSTR Application Field and Working Principle

F0603E0R50FSTR is a type of fuse, designed for applications with circuit protection requirements. As one of the most common components in the electrical industry, it is widely used to prevent accidental short circuits, fires, and costly equipment and electrical system damage. With its streamlined size and robust construction, it is small yet powerful, providing reliable protection within a variety of commercial, industrial, and consumer applications.

Overview

F0603E0R50FSTR fuses are small, high-performance components, offering circuit protection in a variety of different electrical systems. They have a 6mm x 3.2mm body with an arcing distance of 8mm, and offer a breaking capacity of 500A@125 and 250Vac. They are UL certified to meet UL Recognized Component requirements. F0603E0R50FSTR fuses also feature a fast response time and interrupt currents up to 1000A.

Application Field

F0603E0R50FSTR fuses bring fast, reliable protection to a wide variety of fields and environments. They are particularly useful for applications with limited space available, such as air conditioning systems, refrigerators, electronic equipment, and small electric appliances, etc. Additionally, their low interrupting capacity and current ratings make them ideal for use with computer peripherals, telecommunication equipment, power tools, and automotive electronics.

Construction and Working Principle

F0603E0R50FSTR fuses consist of four components - a fuse element, a body, mating cap, and a striker pin. The fuse element is composed of metal flux and other materials, and when current flows through it, this current is interrupted if it exceeds the amperage rating. When a current overload occurs in a circuit, the fuse element heats up and melts, thereby breaking the circuit and preventing fire and damage.The body of the fuse contains the metal flux and is made of a combination of polymeric material and metal. This material absorbs heat and quickly dissipates it away from the heated element, thereby preventing the element from burning out and damaging the circuit. The mating cap holds the fuse element close to the wall of the body, making contact between the fuse element and the body and ensuring that the fuse is securely held in place. The striker pin is a small metal element that is pushed into the mating cap when the fuse reaches its current rating, providing an audible sound when the circuit is broken.

Conclusion

F0603E0R50FSTR fuses are an essential component for electrical systems that require circuit protection, offering both robust protection and a small form factor. They are suitable for a wide range of applications across various industries, and the combination of their four components works together to quickly and reliably protect circuits from overloads and short circuiting.

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