Response Time:	Fast
DC Cold Resistance:	0.08 Ohms
Size / Dimension:	0.386" L x 0.120" W x 0.120" H (9.80mm x 3.05mm x 3.05mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	cURus
Melting I²t:	0.5
Breaking Capacity @ Rated Voltage:	100A AC, 2kA DC
Mounting Type:	Surface Mount
Package / Case:	2-SMD, Square End Block
Series:	0678D
Voltage Rating - DC:	125V
Voltage Rating - AC:	350V
Current Rating:	1.6A
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Fuses: 0678D1600-02 Application Field and Working Principle

A fuse is an electrical device used to protect circuits from excessive current, and to prevent electrical fires caused by short circuits and overloads. The type of fuse selected for an application depends on the level of current it is likely to carry, the type of environment in which it will be used, and the types of faults it must detect and protect against. A 0678D1600-02 is a type of fuse designed for high-temperature applications, and it is for use in air, oil, and steam circuits with AC and DC maximum voltages up to 600 volts.

What is a 0678D1600-02 Fuse?

The 0678D1600-02 fuse is a non-indicating, time-delay, dual-element fuse with ferrule terminals. It is certified and safety-rated to UL 248-14 and IEC 60269-2 standards, and is suitable for outdoor and indoor applications. The fuse is made of a high-temperature fused silica glass body, with a silver/copper alloy element. The element melts if overloaded, and can withstand up to 125% of its rated current for five seconds without blowing. The 0678D1600-02 fuse is typically used in non-automotive applications such as electric motors, appliances, lighting fixtures, and transformers. The maximum AC voltage is 600 volts, and the maximum DC voltage is 600 volts.

How does a 0678D1600-02 Fuse Work?

The 0678D1600-02 fuse is a dual-element fuse, which means that it has two elements: a primary element and a secondary element. When an operating current flows through the fuse, it heats the primary element, which then melts the secondary element at a predetermined current level. This tamper-resistant design ensures that current levels above the rated current will not pass through the fuse, protecting the circuit from damage or fire. The dual-element design also provides protection against inrush currents, which are the momentary spikes of current that occur when turning on electric motors, fluorescent lighting, and other electrical appliances. Inrush currents can be up to ten times the rated full-load current, and can damage systems or cause fires if not arrested. The 0678D1600-02 fuse is designed to allow the initial inrush current to pass, while monitoring the current to detect any overloads and trip accordingly.

Advantages of 0678D1600-02 Fuses

The 0678D1600-02 fuse offers many advantages over standard fuses. Its high-temperature body is designed to withstand temperatures up to 105°C (221°F). Its tamper-resistant dual-element design ensures reliable and safe protection against over-currents and inrush currents. The fuse is also designed to be extremely durable, with a 200kA interrupting rating and a melting alloy element that can withstand up to 125% of its rated current for five seconds. Finally, the 0678D1600-02 is safety-rated to UL 248-14 and IEC 60269-2, ensuring its quality, robustness, and compliance with industry standards.

Conclusion

The 0678D1600-02 fuse is a UL248-14 and IEC60269-2 safety-rated fuse designed for high-temperature applications. It is suitable for AC and DC voltages up to 600V, and provides reliable protection against over-currents and inrush currents. Its tamper-resistant dual-element design and high-temperature body make it an ideal choice for outdoor and high-voltage applications.

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