5HF 100

Package / Case:	5mm x 20mm
DC Cold Resistance:	3.85 Ohms
Size / Dimension:	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CCC, CE, CSA, UL
Melting I²t:	0.003
Breaking Capacity @ Rated Voltage:	1.5kA
Mounting Type:	Holder
Series:	5HF
Response Time:	Fast
Voltage Rating - AC:	250V
Current Rating:	100mA
Fuse Type:	Cartridge, Ceramic
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Fuses are little pieces of wire that help protect other components in your circuit from high current and intense heat. The 5HF 100 is a type of fuse, which is made specifically for industrial and commercial uses. It has a variety of applications and a wide range of working principles. This article will explore the 5HF 100 in terms of both its application and working principle.

Applications

The 5HF 100 has a variety of applications. It is commonly used as a circuit breaker in industrial settings, as it can provide reliable protection from sudden power surges. It is also used as a power source for small appliances and electronics, as it can handle higher power loads than fuses of similar size.Another common application of the 5HF 100 is as an overload protection device. It can be used to limit the current draw of a device by disconnecting it from the power source if the current draw exceeds a certain threshold. This helps to protect the device from damage due to excessive current draw.Finally, the 5HF 100 is often used to protect against short-circuit conditions. It will quickly shut off the power supply to prevent further damage from occurring.

Working Principle

The 5HF 100 functions as a thermal fuse, which means that it can detect when the current draw of a device exceeds a certain limit and will then shut off the power source. This is done through a mechanism known as a wirenut, which is a piece of metal with a small gap in the center. The gap is then filled with a heated metal alloy known as a fusible link.When the current draw exceeds the set threshold, the fusible link melts and disconnects the power supply from the device. This prevents further damage from occurring, as the device is no longer receiving power. The 5HF 100 is designed to be quickly restored once the current draw is reduced. All that needs to be done is to replace the wirenut, and the device can be restored to full operation.

Conclusion

The 5HF 100 is a versatile fuse, which has a variety of applications and a wide range of working principles. It is often used as a circuit breaker in industrial settings, as a power source for small appliances and electronics, and as an overload protection device. Its working principle is that of a thermal fuse, which can detect when the current draw of a device exceeds a certain threshold and will then shut off the power supply from the device.

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