043402.5NRP Circuit Protection

Response Time:	Fast
DC Cold Resistance:	0.028 Ohms
Size / Dimension:	0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm)
Color:	--
Operating Temperature:	-55°C ~ 90°C
Approvals:	CSA, UL
Melting I²t:	0.175
Breaking Capacity @ Rated Voltage:	35A
Mounting Type:	Surface Mount
Package / Case:	0603 (1608 Metric)
Series:	434
Voltage Rating - DC:	32V
Voltage Rating - AC:	32V
Current Rating:	2.5A
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Part Status:	Obsolete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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043402.5NRP Application Field and Working Principle

Introduction

Fuses act as important safety devices in electrical systems, and 043402.5NRP fuses are designed to protect electrical systems from dangerous overcurrents. These fuses come from the 043402.5NRP series, and are rated for 250V and 500V. The NRP suffix indicates that the fuses are approved by Underwriters Laboratories and are also available with testing options.

Application Field

043402.5NRP fuses are designed for use in all types of loads, including inrush current conditions. These fuses are suitable for a variety of applications, including lighting systems, electric motors, air conditioning systems, switchgear, and other forms of electrical equipment. Additionally, these fuses are suitable for energy conservation when used in combination with control circuits that operate motor circuits such as lighting, heating, ventilation, and air conditioning systems.

Specifications

The 043402.5NRP fuse is a medium-small size, time-delay (also known as current-limiting) fuse. It is rated for 250V and 500V. The current rating of the fuse is 2.5A, so it is suitable for use in applications that draw up to 2.5A of current. The interrupt rating is 10kA at 500V, which is suitable for dealing with overcurrents that can be as high as 10kA.

Working Principle

The working principle of the 043402.5NRP fuse is fairly straightforward. It works by allowing a certain amount of current to pass through it before tripping and breaking the circuit. The fuse is made from a special material, such as a metal alloy, which is designed to melt at a certain temperature. When the current flowing through the fuse exceeds the designed maximum, the fuse heats up to the point where the metal alloy melts and breaks the circuit.

Advantages

043402.5NRP fuses have several advantages over other types of fuses. They are small and lightweight, making them ideal for a variety of applications. They are also UL-approved, so they can be used in applications that require a higher level of safety. Additionally, they have a fast response time, which means that they can react quickly to overcurrents and protect the system.

Conclusion

043402.5NRP fuses are a great choice for applications that require a low-voltage, time-delay fuse that is UL-approved. They are small and lightweight, and have a fast response time which can help protect the system from dangerous overcurrents. They are also relatively inexpensive and easy to install, making them ideal for a range of applications.

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