0203.750H

Series:	FLAT-PAK® 203
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Fuse Type:	Board Mount (Cartridge Style Excluded)
Current Rating:	750mA
Voltage Rating - AC:	250V
Response Time:	Slow
Package / Case:	2-DIP (0.400", 10.16mm)
Mounting Type:	Through Hole
Breaking Capacity @ Rated Voltage:	50A
Melting I²t:	0.327
Approvals:	CSA, UL
Operating Temperature:	-55°C ~ 125°C
Color:	--
Size / Dimension:	0.372" L x 0.250" W x 0.165" H (9.45mm x 6.35mm x 4.19mm)
DC Cold Resistance:	0.158 Ohms

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Fuses: 0203.750H Application Field and Working Principle

Fuses are devices designed to protect an electrical circuit from excessive current. They are designed to react very quickly when current exceeds its rated value and therefore prevent excessive heat from damaging the circuit and surrounding components. They are made of a conductive material that gets destroyed when a certain current exceed its rated value. Fuses can be found in many electrical and electronic circuits.0203.750H fuses are typically used in industrial and commercial circuits, such as those found in motor controls, elevators, heavy machinery, and computer systems. They are designed to fit in a small space, and are noted for their high surge capabilities. They are also capable of handling large variations in current load.The working principle behind 0203.750H fuses is quite simple. The fuse is made up of a thin strip of metal that is designed to melt when a certain amount of current passes through it. As the current increases, the temperature of the metal increases, eventually causing the metal to reach its melting point and thus breaking the circuit it was designed to protect. Once the current is reduced, the metal cools down and its resistance returns to its normal value, restoring normal operation to the circuit.In terms of construction, the 0203.750H fuse is designed as a comprehensive combination of an integral base-structure and a small fuse element. The combination ensures a higher level of protection and simplifies maintenance and installation. The fuse element uses a combination of direct contact and metal oxide technology, which allows the fuse to react quickly to surges in current, while also providing thermal protection. The body of the fuse itself is made of an aluminum/magnesium alloy to improve resistance to shock and vibration.The 0203.750H fuse can also be used as an overcurrent protection device, in order to prevent excessive currents from damaging the components of a circuit. In this application, the fuse will trip when its current rating is exceeded. This helps protect fragile components from damage due to excessive current.In addition to protection from overcurrent, the 0203.750H fuse also provides protection from short circuits and power surges. It is designed to interrupt the current flow when the short-circuit current threshold is exceeded. In the event of a power surge, the fuse will melt under the sudden influx of current, thus preventing further damage to the circuit.In terms of safety, 0203.750H fuses meet the requirements of fire safety standards and are also UL-listed for their ability to protect sensitive components from potentially catastrophic failures.In summary, 0203.750H fuses are designed for a range of applications, from industrial and commercial circuits to motor controls and overcurrent protection. They provide a fast response to surges in current and are also capable of handling large variations in power load. Additionally, they are UL-listed for safety and conform to fire safety standards.

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