043403.5NRP

Series:	434
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Fuse Type:	Board Mount (Cartridge Style Excluded)
Current Rating:	3.5A
Voltage Rating - AC:	32V
Voltage Rating - DC:	32V
Response Time:	Fast
Package / Case:	0603 (1608 Metric)
Mounting Type:	Surface Mount
Breaking Capacity @ Rated Voltage:	35A
Melting I²t:	0.265
Approvals:	CSA, UL
Operating Temperature:	-55°C ~ 90°C
Color:	--
Size / Dimension:	0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm)
DC Cold Resistance:	0.019 Ohms

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Fuses have been used since electrical systems were first developed in order to protect electrical components from voltage and current spikes and drops. Fuses need to be matched to the particular application in order to provide reliable protection. This article will discuss the 04343.5NRP application field and working principle in detail.The 04343.5NRP fuse is designed for protection of low-voltage electrical circuits for applications such as electronic and audio-visual equipment, air conditioning, and other appliances. It is also designed for protection of branch motor circuits. This type of fuse is suitable for use in residential and commercial installations such as installations in interior and exterior locations, in both wet and dry locations, and is suitable for installation in fuseblocks.The 04343.5NRP fuse employs a variety of technologies to provide reliable protection against short circuits and overloads. The fuse link material is a mixture of silver and copper. The silver in the mixture ensures that the fuse has a low melting point and high electrical conductivity, which helps to maximize the efficiency of the fuse at low voltages. The copper provides resistance to mechanical shock and vibration. The fuse link is electrically insulated between two layers of polycarbonate and glass, which increases the life of the fuse.The 04343.5NRP fuse is designed to have a time-delay response. This feature prevents it from tripping during normal inrush currents, which can occur when electrical devices such as air conditioners and refrigerators are turned on. The time-delay feature also ensures that the fuse will remain intact during normal operation of the circuit, reducing nuisance tripping.The fuse also has a temperature sensor. The temperature sensor reacts to heat buildup in the event of an overload, and a small amount of thermal energy is transferred from the sensor to the fuse link. This causes a rapid growth in the surface area of the fuse link, which increases the current carrying capacity of the fuse and interrupts the flow of electricity before serious damage occurs to the electrical components.Fuses are typically rated and labeled with the voltage and current ratings that they are suitable for. As a general rule, fuses should be selected with a current rating that is equal to or higher than the anticipated full load current of the circuit. This will ensure that the fuse will provide the necessary protection for the electrical components.In summary, the 04343.5NRP is a reliable and durable fuse suitable for use in many types of low-voltage electrical circuits. It is designed for protection of branch motor circuits, and its time-delay response and temperature sensor provide reliable protection against short circuits and overloads. When selecting a fuse, it is important to ensure that the fuse has an adequate current rating to protect the electrical components in the circuit.

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Part Number	Manufacturer	Price	Quantity	Description