0253.750NRT1

Response Time:	Fast
DC Cold Resistance:	0.175 Ohms
Size / Dimension:	0.103" Dia x 0.280" L (2.61mm x 7.11mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CSA, QPL, UR
Melting I²t:	0.153
Breaking Capacity @ Rated Voltage:	50A AC, 300A DC
Mounting Type:	Through Hole
Package / Case:	Axial
Series:	PICO® II 253
Voltage Rating - DC:	125V
Voltage Rating - AC:	125V
Current Rating:	750mA
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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Introduction

The 0253.750NRT1 (hereafter referred to as the NRT1) is an important electrical component that is used in a variety of applications. It is typically used to protect circuits from overload or short circuits, and to interrupt the flow of current in an emergency. The NRT1 is part of the fuse family and, while it may seem simple, they play an important role in keeping circuit systems safe.

What is a Fuse?

A fuse is an electrical component that serves as a safety device, designed to protect against dangerous electrical overloads. It does this by automatically cutting off the flow of electricity when it reaches a certain limit. Generally, this limit is designed to protect a circuit from short circuits, or prevent some form of damage from overheating.

What is the 0253.750NRT1?

The 0253.750NRT1 is a type of fuse, specifically a thermal fuse. It is a type of fuse designed to protect semiconductor devices from thermal runaway. In other words, its purpose is to prevent a device from overheating and eventually failing due to excessive temperatures.

Application Field

The 0253.750NRT1 is most commonly used in motors, switchgear, transformers, and electrical instruments. It can be used to replace regular fuses, and is often used to protect circuits from dangerous overvoltage and overcurrent conditions. It is also used in a variety of applications where high temperatures can cause damage to components, such as in the automotive and aerospace industries.

Working Principle

The 0253.750NRT1 works on the principle of thermal overload protection. It consists of a metal strip that heats up when current is applied to it. As it heats up, its resistance increases. As it reaches a certain temperature, its resistance becomes so high that it acts as an open circuit, cutting off the flow of current and thus protecting the circuit from thermal runaway.

Conclusion

The 0253.750NRT1 is an important electrical component that is used to protect circuits from overheating or overcurrent conditions. It is a type of thermal fuse designed to protect semiconductor devices from thermal runaway, and is most commonly used in motors, switchgear, transformers, and electrical instruments. It works on the principle of thermal overload protection, and is an effective way of preventing a circuit from becoming damaged due to high temperatures or dangerous voltage levels.

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