0472.500MXL

Series:	PICO® II 472
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Fuse Type:	Board Mount (Cartridge Style Excluded)
Current Rating:	500mA
Voltage Rating - AC:	125V
Voltage Rating - DC:	125V
Response Time:	Slow
Package / Case:	Axial
Mounting Type:	Through Hole
Breaking Capacity @ Rated Voltage:	50A
Melting I²t:	0.1927
Approvals:	UR
Operating Temperature:	-55°C ~ 125°C
Color:	--
Size / Dimension:	0.110" Dia x 0.280" L (2.80mm x 7.11mm)
DC Cold Resistance:	0.174 Ohms

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Introduction

Fuses are devices used in electrical systems to protect components from overcurrent or overvoltage. They are essential components in any electrical system. The 0472.500MXL is a type of fast-acting, electronic \ fuses with a current rating of 100 amps and a voltage rating of 300 volts. It is designed to protect semiconductor devices or circuits from faults , or to limit overcurrent or overvoltage during excessive current flow.

Design and Construction

The 0472.500MXL is constructed from a cylindrical solid-state module, measuring 4.7 inches by 2.5 inches, which houses a fuse element. It is made of a polycarbonate material that is both thermally and mechanically robust. The module has a contact plate at one end for electric connection to the load and a drilled hole at the other end for quick installation and removal. The internal fuse element is composed of a metal alloy, such as silver or nickel, which melts under excessive load conditions. The specific metal alloy is determined by the current and voltage ratings. The fuse element is encased in a cylindrical solid-state ceramic body, with a wire bridging the contact plates on the two ends.

Working Principle

The 0472.500MXL works by limiting the amount of current passing through the circuit. The fuse cuts off the circuit once the current exceeds the rated amount, which is 100 amps. This prevents excessive current from damaging the components in the circuit. The fuse will also self-resettable after it has been triggered, allowing the circuit to be re-energized. The fuse element melts at a particular temperature. Once it has been triggered, the current is reduced slowly until the fuse element has reset. The melting temperature of the fuse element is determined by the type of metal alloy used.

Applications

The 0472.500MXL is widely used in semiconductor devices and circuits, particularly those with sensitive components that require protection from excessive current. Its fast-acting fuse element makes it ideal for applications where circuit protection is needed quickly to prevent component damage. Typical applications include consumer electronics, testing equipment, instrumentation, medical and military equipment, and many more.

Conclusion

The 0472.500MXL is a type of fast-acting, electronic fuse with a current rating of 100 amps and a voltage rating of 300 volts. It is designed to protect semiconductor devices or circuits from faults or excess current or voltage. The device is constructed from a cylindrical solid-state module encasing a meltable metal alloy fuse element, and has contact plates on either end for electric connection. Its fast-acting fuse element makes it ideal for applications where circuit protection is needed quickly to prevent component damage.

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