0698Q3150-01

Series:	0698Q
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Fuse Type:	Board Mount (Cartridge Style Excluded)
Current Rating:	3.15A
Voltage Rating - AC:	350V
Voltage Rating - DC:	140V
Response Time:	Fast
Package / Case:	Radial, Box
Mounting Type:	Through Hole
Breaking Capacity @ Rated Voltage:	100A AC, 150A DC
Melting I²t:	4.9
Approvals:	CE, cURus
Operating Temperature:	-55°C ~ 125°C
Color:	--
Size / Dimension:	0.329" L x 0.157" W x 0.303" H (8.35mm x 4.00mm x 7.70mm)
DC Cold Resistance:	0.022 Ohms

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Fuses – 0698Q3150-01 Application Field and Working Principle

Fuses are over-current protection components that are essential components in every electrical circuit. Typically used to limit the current that can flow in and out of a device, fuses are designed to break the circuit or, in other words, to operate the circuit when the amount of current exceeds the rated current of the fuse. The 0698Q3150-01 is a type of fuse manufactured by Littelfuse, and it is important for users to understand its application field and working principle in order to get the right fuse for specific application.

Application Field

The 0698Q3150-01 is a 750 V, 15A, fast acting, J-type, ferrule style fuse with ceramic body. Due to its fast-acting response time, this model is mainly used in high frequency circuits that require higher surge current and current capacity. Usage for this type of fuse includes industrial motion control systems, computer and data acquisition, telecommunications equipment, industrial instrumentation, medical devices and imaging equipment, lighting control and consumer electronics.

Working Principle

The 0698Q3150-01 has a fast-acting response time in comparison with traditional slow-blow and time-delay fuse products. This response time is due to the patented NEC/JEC combination element technology used to construct the fuse, which combines several components in one. The combination element includes a press-fit element consisting of two fusible springs that act to reduce current overload. The two springs have slightly different characteristics and work together to optimize fuse operation. When the current flowing through the fuse exceeds the rated current, the springs quickly start to heat up and eventually reach a higher temperature, causing them to lose their tension and open the fuse. This process takes around eight milliseconds. When opened, the fuse creates an open circuit, thus disconnecting the power supply or current from the appliance and preventing the excessive current from reaching it.

Conclusion

The 0698Q3150-01 fuse is a 750V, 15A rapid-acting ferrule-style fuse with ceramic body. Its application field includes industrial motion control systems, computer and data acquisition, telecommunications equipment, industrial instrumentation, medical devices and imaging equipment, lighting control and consumer electronics. Its fast response time is due to the NEC/JEC combination element technology, which is able to quickly react to excessive current. When activated, the element heats up and opens the fuse, thus disconnecting the power supply or current from the device and preventing it from reaching the appliance.

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