170M5266

Applications:	Electrical, Industrial
Melting I²t:	180000
Size / Dimension:	1.969" L x 2.402" W x 3.031" H (50.00mm x 61.00mm x 77.00mm)
Package / Case:	Rectangular, Blade
Mounting Type:	Bolt Mount
Breaking Capacity @ Rated Voltage:	200kA
Operating Temperature:	--
Approvals:	CE, CSA, UR
Class:	--
Features:	Indicating
Series:	--
Response Time:	--
Voltage Rating - AC:	700V
Current Rating:	1kA
Fuse Type:	Square
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

The 170M5266 is a standard miniaturized fuse, usually utilized in electrical and specialty fuse applications. Developed primarily for overcurrent and overtemperature protection, the 170M5266 employs a metal embedded seal and a protective outer shell and operates safely and stably in many different applications. This paper will discuss the application field and working principle of 170M5266 fuse.

Application Field

170M5266 is the widely-used miniature type fuses, primarily applied to provide overcurrent and overtemperature protection for electronic systems and equipment related to many areas, including the automotive, industrial, and recreational industries. In the automotive sector, 170M5266 is used for overcurrent protection in engine management systems, power management systems, airbag control systems and other on-board electronics. Similarly, in the industrial segment, the device can be used within the power supply and distribution system of plants, factories, and production lines. In the recreational market, 170M5266 can be found in radio transmitters, receivers, computer systems, and audio-video equipment.

Working Principle

When thermal or electrical fault occur in protected circuits, 170M5266 fuse operates in a timely and effective manner, rapidly breaking the circuit. Consisting of a metal alloy strip, metal leads, and a protective outer shell, the device triggers when the external temperature or current rises to unsafe levels. In response, the metal alloy strip is heated and melts, opening up the electrical circuit in the process. The tripping temperature of the 170M5266 is determined by both the resistance value of the metal coil and the maximum current rating of the device. For instance, for a higher current rating, the fuse will have a low tripping temperature. On the other hand, a higher resistance value will mean an increased tripping temperature. At the same time, the fuse\'s critical current trip rating is mainly determined by the materials used for the metal coil and the proportions of the material\'s body. In other words, the critical current trip rating of the fuse can be increased or decreased by changing the dimensions of the material\'s body.

Conclusion

In conclusion, the 170M5266 is a miniature fuse, employed in a wide range of applications, ranging from automotive to industrial and recreational segments. Operating safely and stably, the device is designed to provide overcurrent and overtemperature protection, rapidly breaking the circuit in case of an electrical fault or temperature rise. In doing so, it relies on materials used for the metal coil and their properties, such as resistance value and body dimensions.

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