RJS 250-R STD

Features:	--
DC Cold Resistance:	3.2 Ohms
Melting I²t:	0.64
Size / Dimension:	0.181" Dia x 0.760" L (4.60mm x 19.30mm)
Package / Case:	Radial Bend Cylinder
Mounting Type:	Through Hole
Breaking Capacity @ Rated Voltage:	100A
Operating Temperature:	-55°C ~ 125°C
Approvals:	CE, CSA, cURus
Class:	--
Series:	RJS
Applications:	Telecom
Response Time:	Slow
Voltage Rating - AC:	600V
Current Rating:	250mA
Fuse Type:	Board Mount
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

The RJS 250-R STD is an electrical specialty fuse used in a variety of different applications. It is part of a series of fuses manufactured by South Carolina-based Jayco Industries. The RJS 250-R STD is a half-inch male/female, thimble type fuse that protects electrical circuits from overcurrents and short circuits. This type of fuse is available in two different catalog ratings: 10 amps and 25 amps. The fuse is also UL listed and features a high breaking capacity of 10,000 amps.

Applications

The RJS 250-R STD is a versatile fuse that can be used in a range of applications. It can be used to protect circuits in electrical appliances, motor controllers, HVAC equipment, power supplies, electronic equipment, and component circuits. Other applications include photovoltaic (solar) cell circuit protection, car stereo components, electronic circuit boards, and low-voltage sub-panels. Additionally, the fuse is suitable for use in nearly any circuit where UL listed protection is required.

Design and Construction

The RJS 250-R STD fuse is constructed from high-grade copper and silver alloy. This material provides high conductivity and also offers excellent temperature-rise characteristics. The fuse is designed with a small male/female thimble type end construction, which makes it suitable for various installations. The fuse is highly durable and has a moisture-resistant construction to help protect it from any possible moisture damage.

Working Principle

The working principle of the RJS 250-R STD is based on the fundamental principles of current, voltage, and resistance. When an overcurrent or short circuit occurs, the fuse will open its current path by melting the metal alloy inside of the fuse. Once the fuse has been tripped, it must be replaced in order to restore the circuit. The RJS 250-R STD fuse features a temperature sensing element which allows it to detect the rise in resistance caused by an overcurrent or short circuit. The fuse is designed to operate in two ways, either by manual operation or automatic operation. In manual operation, the fuse trips when it reaches a set current limit. In automatic operation, the fuse is tripped when it reaches a certain temperature set point.

Conclusion

The RJS 250-R STD is an electrical specialty fuse that is used in a wide variety of applications. It is constructed from a high-grade copper and silver alloy and features UL listing, a high breaking capacity, and a thimble type end construction. The fuse works based on the fundamental principles of current, voltage, and resistance. When an overcurrent or short circuit occurs, the fuse melts and opens the current path, in order to protect circuit.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description