5MT 7

Package / Case:	5mm x 20mm
DC Cold Resistance:	0.013 Ohms
Size / Dimension:	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CE, PSE
Melting I²t:	750
Breaking Capacity @ Rated Voltage:	300A
Mounting Type:	Holder
Series:	5MT
Response Time:	Medium
Voltage Rating - AC:	125V
Current Rating:	7A
Fuse Type:	Cartridge, Glass
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to 5MT Fuses and Its Applications

Fuses are a type of electrical components designed to protect electrical circuits from overcurrent and overvoltage. Fuses prevent the circuit from being overloaded or overheated, which can cause damage to components and leave you with a costly repair bill. 5MT or SMT fuses are a type of miniature fuses that are typically used in printed circuit boards (PCB)/substrates. This type of fuse is designed for low-current (less than 0.6 A) surface mount applications.

Construction and Working Principle of SMT 5MT Fuses

5MT fuses are made with an aluminum housing and a ceramic insulator. The fuse element consists of nickel-chromium alloy wire, and is inserted inside the ceramic insulator. The fuse element has two end caps to hold it in place, and each end has a top-hat-shaped contact that is attached to the fuse element. The contacts are sealed with electrical tape to protect against moisture and dirt.The working principle of an 5MT fuse is simple. It acts like a “circuit breaker” when the fuse element receives too much current, the element will heat up and eventually melt. This will interrupt the circuit and prevent overcurrent and overvoltage which can cause permanent damage. When the fuse element is broken, it must be replaced with a new one.

Advantages of 5MT Fuses

The advantages of using 5MT fuses include:

• Small size and low cost.
• Easy to install on a printed circuit board (PCB)/substrate.
• High reliability.
• Low thermal expansion.
• High electrical isolation.
• Easy to replace the element.

Applications of 5MT Fuses

5MT fuses are commonly used in small electronic applications such as consumer electronics, medical devices, and automotive applications.

• Consumer Electronics – 5MT fuses are used in consumer appliances, such as TVs, DVD players, and home audio systems. They are also used in computer and gaming systems.
• Medical Devices – 5MT fuses are used in medical equipment, such as infusion pumps and MRI machines. They protect against electrical surges that can damage delicate circuit components.
• Automotive Applications – 5MT fuses are commonly used in automotive applications, such as car radios, airbag deployment systems, and parking assist systems.

Conclusion

5MT fuse offers a great solution for small-current applications, especially in electronic components, medical devices, and automotive applications. They are small, reliable, and easy to install, making them a great choice for protecting delicate components from overvoltage and overcurrent.

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Part Number	Manufacturer	Price	Quantity	Description