Package / Case:	Axial
DC Cold Resistance:	0.715 Ohms
Size / Dimension:	0.155" Dia x 0.280" L (3.94mm x 7.11mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CSA, UR
Melting I²t:	0.0165
Breaking Capacity @ Rated Voltage:	50A
Mounting Type:	Through Hole
Series:	PICO® II 263
Response Time:	Fast
Voltage Rating - AC:	250V
Current Rating:	250mA
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Fuses

0263.250WRT3 Application Field and Working Principle

Fuses are among the most widely used components or devices in electrical equipment. Specifically, a 0263.250WRT3 fuse is a fast-acting cylindrical fuse designed for installations in residential, commercial, and industrial locations that are subject to frequent organ malfunctions or overloads. The 0263.250WRT3 fuse is a class of fuse made for industrial use and has superior performance when it comes to protecting against short circuits, overloads, and other current anomalies.One of the primary purposes of a 0263.250WRT3 fuse is protecting electrical circuits and systems from overloading. Fuses work by providing a predetermined amount of current during normal operation. When the current reaches or exceeds the predetermined amount, the fuse burns through, thus disconnecting the circuit or system and preventing further damage. By doing this, 0263.250WRT3 fuses help minimize potential damage and cost from power surges, short circuits, and overloaded systems.In addition to being used in industrial settings, 0263.250WRT3 fuses are an effective and efficient way of providing surge protection for residential and commercial locations, as well as for motor starters, circuit breakers, and other industrial applications. The 0263.250WRT3 fuse plays an important role in the implementation of safety measures for electrical systems and devices in many applications, including those designed for sensitive medical and laboratory equipment.The 0263.250WRT3 fuse is a fast-acting thermal device and consists of two components: a metallic strip and a fuse element. The metallic strip is generally made from a tin-lead alloy and has a pre-determined breaking point. The fuse element is typically made from a ceramic material and further contains a metal or a copper alloy strip.When the current in the circuit reaches the predetermined breaking point, the fuse strip and element are heated enough by the current to cause the conversion of chemical bonds between the two elements into electrical energy. This produces a sudden increase in temperature, which melts the metallic strip and the fuse element, effectively opening the circuit and interrupting the current flow. This helps ensure that the circuit does not become overloaded with electricity, which can potentially cause power surges and other serious complications.In order to ensure that the 0263.250WRT3 fuse works properly, it is important to use the right fuse with the appropriate current ratings. In general, it is recommended to use a lower amperage rating than the actual expected current draw of the circuit. Additionally, installing the fuse in a cool environment as well as regularly checking the fuse for damage are important steps that should be taken in order to ensure that the fuse works properly in preventing damages caused by power surges and other current anomalies.Overall, 0263.250WRT3 fuses are an excellent way of providing protection against serious power surges, short circuits, and other current anomalies. With the right fuse and the appropriate current ratings, these fuses are effective and efficient in providing powerful protection for residential, commercial, and industrial locations, as well as for other applications such as motor starters, circuit breakers, and delicate medical and laboratory equipment.

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Part Number	Manufacturer	Price	Quantity	Description