2JQ 5

Response Time:	Fast
DC Cold Resistance:	0.016 Ohms
Size / Dimension:	0.201" Dia x 0.543" L (5.10mm x 13.80mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CE, CSA, cURus, PSE
Melting I²t:	20
Breaking Capacity @ Rated Voltage:	100A AC, 150A DC
Mounting Type:	Holder
Package / Case:	2AG, 5mm x 15mm
Series:	2JQ
Voltage Rating - DC:	140V
Voltage Rating - AC:	350V
Current Rating:	5A
Fuse Type:	Cartridge, Glass
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Fuse Types, 2JQ and 5

Fuses are electrical components that are designed to protect equipment and electrical wiring from overloads and short circuits. They are available in a broad range of designs, materials and sizes, which are suitable for different applications. Among the types of fuses are 2JQ and 5. In this article, we are going to discuss the two types and their application fields and working principles.

2JQ Fuse

2JQ is a type of fuse that is normally used in DC circuits, specifically in DC power supplies. This type of fuse is rated for 8A and has a wider footprint than other types, so it is suited for applications where a larger footprint is desirable. The 2JQ fuse is cylindrical in shape and has two ends, one that is vented for dissipating heat and the other that is capped.

Working Principle of 2JQ Fuse

The working principle of the 2JQ fuse is simple. When a circuit is overloaded, too much current flows through the circuit leading to the fuse—which is connected in series—to heat up. When the fuse reaches a certain temperature, it melts, breaking the circuit and effectively turning it off, thus preventing further damage to the circuit.

5 Fuse

The 5 fuse is another type of fuse, commonly used in low-voltage AC circuits. It is cylindrical in shape and is rated for 10a. This type of fuse is usually used in circuits where a smaller footprint is desired, such as in power supplies, panel boards, and so on. It is also known for its robust construction, long service life and relatively low replacement cost.

Working Principle of 5 Fuses

The 5 fuse works on the same principle as the 2JQ fuse. When too much current flows through the circuit, the fuse melts and breaks the circuit, preventing further damage. The 5 fuse is pressure operated, meaning when the current reaches a certain level, the pressure of the contacts pushes the fuse to open, thus breaking the circuit.

Application Fields

The 2JQ fuse is mainly used for protection in DC power supplies, while the 5 fuse is mainly used for protection in AC circuits. They both have their advantages and disadvantages that depend on the application. For instance, the 2JQ fuse has a larger footprint, while the 5 fuse is more compact.

Conclusion

In conclusion, we discussed two types of fuses, the 2JQ and 5 fuse. These are designed for different applications in DC and AC circuits and have their own working principles. Their main application fields include power supplies, panel boards, and other such systems. It is important to always read the guidelines and instructions before installing any type of fuse to ensure that they are used correctly and safely.

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