0473001.MRT1HF Circuit Protection

Response Time:	Slow
DC Cold Resistance:	0.267 Ohms
Size / Dimension:	0.135" Dia x 0.280" L (3.43mm x 7.11mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CSA, PSE, UR
Melting I²t:	2.01
Breaking Capacity @ Rated Voltage:	50A
Mounting Type:	Through Hole
Package / Case:	Axial
Series:	PICO® II 473
Voltage Rating - DC:	125V
Voltage Rating - AC:	125V
Current Rating:	1A
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Part Status:	Obsolete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

The 0473001.MRT1HF application field and working principle is an important consideration when picking the right fuse for a specific application. It is useful to understand this application field and working principle in order to ensure that the fuse is well suited for the application. This is a critical step in ensuring system safety and reliability and should not be overlooked.

The 0473001.MRT1HF is a medium voltage range automotive fuse designed for use in 12V and 24V automotive systems. This fuse also features an extended operating temperature range and is suitable for use in higher ambient temperature environments. It is suitable for use with various automotive applications including lighting, starting, and charging. This fuse has an optimum voltage rating of 258VAC and a current rating of 40A.

The 0473001.MRT1HF fuse has a unique power dissipation design which reduces losses and increases fault protection capabilities. This fuse has a special design that maximizes the flow of current for a faster and reliable performance. The 0473001.MRT1HF has an optimized dV/dt response to help reduce any voltage spikes due to rapid transitions in current or voltage. This fuse also features a reverse-biased voltage-block feature which prevents the potential for backfire damage to downstream components.

The working principle of the 0473001.MRT1HF fuse is based on the current passing through the fuse element. When current passes through the element, the resistance increases, increasing the heat generated. As the temperature rises, the fuse element will eventually heat up to its melting point, breaking the circuit. This fuse element is protected by a special enclosure which also prevents the risk of an electrical explosion. It is important to remember that this fuse element should be replaced whenever it is blown.

In conclusion, the 0473001.MRT1HF application field and working principle is an important factor in choosing the right fuse for a specific application. This medium voltage range automotive fuse is designed for use in 12V and 24V automotive systems and has an optimized dV/dt response to help reduce any voltage spikes due to rapid transitions in current or voltage. This fuse also features a reverse-biased voltage-block feature which prevents the potential for backfire damage to downstream components. Finally, it should be remembered that the fuse element should be replaced whenever it is blown in order to ensure system safety and reliability.

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