0433.500NR Circuit Protection

Series:	433
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Part Status:	Obsolete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:	500mA
Voltage Rating - AC:	63V
Voltage Rating - DC:	63V
Response Time:	Fast
Package / Case:	1206 (3216 Metric)
Mounting Type:	Surface Mount
Breaking Capacity @ Rated Voltage:	50A
Melting I²t:	0.006
Approvals:	CSA, UL
Operating Temperature:	-55°C ~ 90°C
Color:	--
Size / Dimension:	0.125" L x 0.060" W x 0.023" H (3.18mm x 1.52mm x 0.58mm)
DC Cold Resistance:	0.2405 Ohms

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0433.500NR Application Field and Working Principle of Fuses

Fuses are one of the oldest electronic components used in the electricity industry. They are designed to protect circuits from overload and short circuits by interrupting the flow of current when a certain current limit is exceeded. The 0433.500NR is a fast acting fuse, which means it trips quickly when the desired current limit is exceeded.

0433.500NR Application Field

The 0433.500NR is a fuse that provides protection against overload currents in medium or high voltage circuits. It is used in electrical systems and circuits that require protection from high speed overloads and short circuits. Applications include power distribution boards and control systems. It is also suitable for high voltage and medium voltage induction motor protection.

0433.500NR Working Principle

The 0433.500NR is a fast-acting fuse. It acts by opening the circuit when the current exceeds a certain limit. The fuse contains a metal wire that is surrounded by a ceramic core, and is connected to the two terminals of the circuit. During normal operations, the wire of the fuse does not heat up enough to exceed the melting point of the metal. However, when the current exceeds the fuse\'s current limit, the metal wire rapidly heats up and melts, interrupting the flow of current through the circuit.The current limit of the 0433.500NR is typically stated in amperes. The current limit it is able to carry is determined by its amperage rating, as well as the type of circuit it is being used in. The higher the amperage rating, the more current the fuse can support and protect.

0433.500NR Environment and Requirements

The 0433.500NR should be installed in a dry, debris-free environment to provide maximum safety. It should also be installed within the rated temperature range of -25°C to +90°C. If the fuse is exposed to temperatures outside of this range, it may fail to operate correctly. The 0433.500NR is also available in a range of standard voltage ratings and must comply with safety standards such as UL, CSA, and VDE.

Conclusion

In conclusion, the 0433.500NR is a fuse with a fast-acting response time, which makes it ideal for medium or high-voltage circuits. It is used to protect circuits from overloads and short circuits. It should be installed in a dry, debris-free area and within the rated temperature range in order to provide maximum safety. Additionally, it should comply to safety standards such as UL, CSA, and VDE.

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