YQZ120N1.80 Circuit Protection

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PTC (positive temperature coefficient) Resettable Fuses, also known as polyfuses, are self-resetting circuits that protect electrical circuits from electrical overloads. The YQZ120N1.80 is a type of resettable fuse designed by an American semiconductor manufacturer and aimed at providing over-current, overtemperature, and transient surge protection. The product provides an instantaneous low-level current level that then reduces resistance as current levels increase in order to protect delicate electronic components against short circuits, electrical overcurrents, overtemperature, and other events that could lead to damage.

The YQZ120N1.80 works by using a ceramic-based PTC material that changes its resistance property in response to current and temperature. It operates by detecting abnormal temperature and current conditions and consequently providing short-circuit and overtemperature protection while maintaining optimal electrical performance. The device has an operating voltage range of 7.2V to 12V and an overload current range of 4A to 10A. It also has a maximum surge current of 20A.

The YQZ120N1.80 is designed to offer superior surge protection and fast response time for sensitive applications including automotive, railway, and UPS. It has a wide operating temperature range of -40 ˚C to 120 ˚C, thus allowing it to operate across a wide range of temperatures. Its fast response time makes it suitable for use in situations where fast-acting protection is necessary. The device’s resistance property is designed to balance the need for a rapid response to protect circuits, while also avoiding any unnecessary tripping of the fuse.

There are a wide variety of applications for the YQZ120N1.80. It is suitable for use in automotive circuits such as airbag systems and anti-lock braking systems, and in railway systems for power supply and customer service subsystems. It can also be used to provide protection in power supplies in home and office equipment, healthcare equipment, hand-held devices, and UPS systems.

The YQZ120N1.80 is a reliable, cost-effective solution for over-current, overtemperature, and transient surge protection applications. It is designed to provide rapid response times, and its wide operating temperature range ensures that it can be used in various environments. The device is suitable for use in many applications in automotive, railway, and UPS systems where fast-acting protection is necessary.

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