0213.400M

Package / Case:	5mm x 20mm
DC Cold Resistance:	0.535 Ohms
Size / Dimension:	0.205" Dia x 0.787" L (5.20mm x 20.00mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	BSI, CCC, CE, CSA, SEMKO, UR, VDE
Melting I²t:	1.36
Breaking Capacity @ Rated Voltage:	35A
Mounting Type:	Holder
Series:	213
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	400mA
Fuse Type:	Cartridge, Glass
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Fuses: 0243.400M Application Field and Working Principle

Fuses are vital components for protecting electronic circuits from damage caused by overcurrent and short circuit conditions. The 0243.400M fuse is the most common and widely utilized fuse today, due to its small size and reliable performance in a wide range of applications. This article will discuss the 0243.400M fuse’s application field and working principle.

Application Field

The 0243.400M fuse is a type of fast-acting fuse, meaning it provides quick protection from overcurrent and short circuit conditions. Its small size and versatility make it suitable for a variety of applications, including automotive circuits, electronics circuits, hybrids circuits, and photovoltaic systems. It is also commonly used as a current-limiter to protect sensitive electronic components from damage. This fuse is incredibly popular due to its ability to operate in a wide range of current levels, from 0.025A to 40A.

Working Principle

The 0243.400M fuse operates on a simple principle. When too much current is applied to the fuse, the strip of metal inside the fuse heats up due to the increase in electrical resistance, eventually melting. Once the strip melts, the current is interrupted and the fuse is no longer conducting any power. The fuse is designed to prevent excessive electrical current from damaging connected components in the circuit, protecting valuable equipment.

Features

The 0243.400M fuse has several features that make it an ideal choice for many applications. It’s small size is an advantage for applications where space is limited, such as automotive circuits or hybrids. The fuse also utilizes a silver alloy strip that allows for higher temperature and/or current than standard fuses. Furthermore, the 0243.400M fuse is capable of withstanding a wide range of temperatures, from -55°C to 155°C.

Advantages

The 0243.400M fuse has many advantages. Its fast-acting design ensures quick protection from overcurrent and short circuit conditions. The silver alloy strip also allows for reliable performance in a variety of temperature and current ranges. The small size also allows for easy integration into a wide range of application types. Finally, the 0243.400M is very cost-effective, making it a very popular choice for many applications.

Conclusion

The 0243.400M fuse is one of the most widely-utilized and reliable fuse types today. It’s small size and versatility allow for integration into a wide range of applications, from automotive circuits to hybrids. The silver alloy strip provides reliable performance in a wide range of temperatures and current levels. Finally, its fast-acting design quickly interrupts power to prevent damage. The 0243.400M fuse is an ideal choice for many applications where reliability and cost-effectiveness are key considerations.

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