045901.5UR

Response Time:	Fast
DC Cold Resistance:	0.08 Ohms
Size / Dimension:	0.285" L x 0.170" W x 0.120" H (7.24mm x 4.32mm x 3.05mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CSA, UL
Melting I²t:	0.65
Breaking Capacity @ Rated Voltage:	50A AC, 300A DC
Mounting Type:	Surface Mount
Package / Case:	2-SMD, J-Lead
Series:	PICO® 459
Voltage Rating - DC:	125V
Voltage Rating - AC:	125V
Current Rating:	1.5A
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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Fuses are an important tool in power management systems, whether it is a home, a commercial building, or a large industrial complex. 045901.5UR fuses are a common type of fuses used in a variety of applications and can be found in residential, commercial, and industrial settings. Understanding their application field and working principle is key to properly using them and maintaining a safe and reliable power supply.The 045901.5UR fuse is a high voltage, rapid-response, cut-off fuse designed to protect circuits from overloads and short circuits. This type of fuse has a high voltage rating of up to 690V, meaning it is suitable for high voltage applications such as in a power plant or on an industrial automobile. It also has a high interrupt rating of up to 50 kA, meaning it is suitable for high load protection. The 045901.5UR has a time delay of less than 1 second, making it a suitable fuse for applications where a rapid response is needed.The main purpose of the 045901.5UR fuse is to protect circuits from electrical shock and fire hazards. When an overload occurs, the fuse will rapidly cut off the circuit to prevent damage or a fire. The fuse will also prevent the circuit from overloading, which can lead to a power surge. When a short circuit occurs, the fuse will rapidly cut off the circuit to prevent major damage or a fire. The 045901.5UR is usually installed in series with the circuit that requires protection.The 045901.5UR fuse is a thermal-magnetic fuse and uses a combination of thermal and magnetic properties to protect circuits from overloading, short circuiting, and fire hazards. The thermal component of the fuse consists of a heat-sensitive wire that runs across a fusible link. This heat-sensitive wire will rapidly heat up whenever the current within the circuit exceeds its allowable limit. This causes it to slowly melt the fusible link, and eventually cut off the circuit. The magnetic component of the fuse consists of a magnetic plate or folding type strip that is sensitive to the magnetic field created when the current rises. This will also trigger the fuse and cause it to cut off the circuit.The 045901.5UR fuse is available in a wide variety of sizes, with some capable of carrying up to 50kA. The fuse also comes in a range of voltages from 250V to 690V. It is also rated for a wide variety of operating temperatures and comes in different designs such as a snap, spring, or plug-in type.The 045901.5UR fuse is a reliable and effective method of protecting circuits from damages caused by overloads, short circuits, and fire hazards. By understanding the application field and working principle of the 045901.5UR fuse, one can ensure that the fuse is properly installed and maintained in a safe and reliable manner. The fuse should be installed in the correct voltage and current rating and inspected regularly for signs of wear and tear.

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Part Number	Manufacturer	Price	Quantity	Description