PCT

Series:	PCT
Part Status:	Active
Lead Free Status / RoHS Status:	--
Fuseholder Type:	Holder
Moisture Sensitivity Level (MSL):	--
Fuse Type:	Blade
For Use With/Related Products:	GMT Indicating
Fuse Size:	0.688" L x 0.127" W x 0.81" H (17.48mm x 3.23mm x 20.57mm)
Number of Circuits:	1
Voltage:	125V
Current Rating:	15A
Mounting Type:	PCB
Orientation:	Vertical
Termination Style:	PC Pin
Contact Material:	Copper
Contact Finish:	Tin

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Introduction to PCT Application Field and Working Principle

A PCT (Phase Change Type Thermal Protector) is a fuseholder device that uses a fused wire that burns out when the temperature reaches its upper limit. It is a protection device used mainly in electric and electronic applications. The PCT has two major application fields: automotive and telecom.

Automotive Applications

In automotive applications, PCTs are used to protect the vehicles\' electrical components. Most common types are fuses for airbags, power window circuits, and the interior door lights. They ensure that the components are not damaged by overcurrent or short-circuiting.The PCT fuseholder prevents the current from exceeding a certain limit. When the current exceeds the upper limit, the PCT fuseholder triggers the fuse wire to burn out, thereby severing the connection and protecting the vital components from damage.

Telecom Applications

PCTs are also commonly used in telecom equipment for power line protection. The telecom sector heavily relies on power to handle various functions such as transmission, reception, and switching. Thus, a reliable power line protection system is an essential component of any telecom system.The PCT fuseholder is typically used for telecom systems to protect the equipment from power line losses. It prevents the power from exceeding its upper limit and disconnects the supply in case of an overload. The fuse will burn and sever the power supply, trapping the short-circuited current and preventing any damage to the equipment.

Working Principle

The working principle of the PCT fuseholder is quite simple. A copper wire called the fuse element is heated up when the current surpasses the electric device\'s upper limit. The fuse element expands and breaks when it reaches its melting point. This triggers a break in the circuit, thus preventing any further damage.The PCT fuseholder is designed to be able to be used on its own or together with other devices such as relays. It can be used in different applications, such as automotive, telecom, home automation, and other electrical and electronic systems. It is a reliable and efficient way to protect components from potential damage due to excessive current.

Conclusion

In conclusion, PCT fuseholders are a reliable and efficient form of protection for electrical and electronic devices. They are installed to protect the components from any damage due to excess current. They are used in several applications, such as automotive and telecom. The working principle is relatively simple; it disengages the circuit power supply in the event of the current exceeding the limit. Thus, it prevents any further damage to the components due to short-circuiting or power line losses.

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