PTR016V0120-BK

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PTC Resettable Fuses

PTC Resettable Fuses, commonly known as polymer positive temperature coefficient (PPTC) resettable fuses, are designed to act as a circuit breaker in cases of overload by disconnecting a circuit for protection. This type of fuse can handle a wide range of electrical current, making them suitable for a variety of applications. The PTR016V0120-BK is a PPTC resettable fuse that is designed specifically for applications that require protection from overload conditions.

Application Field

The PTR016V0120-BK is designed for uses in automotive, aviation, and marine applications. Its ultra-slim profile makes it ideal for use in electronic devices or any space-restricted application. This PPTC resettable fuse is well-suited for applications that need protection from short details and overloads. Some diode applications can also benefit from the use of this PTC fuse for improved reliability and protection.

Working Principle

The PTR016V0120-BK is a PPTC resettable fuse with a resistance that increases as its temperature rises. The fuse is composed of two parts: a cylindrical positive temperature coefficient (PTC) disc and a pin-in-socket assembly. During normal operation, the current through the device follows a low-resistance path around the fuse. When the current exceeds a predetermined level, the fuse’s PTC disc heats up. This increases its resistance, redirecting current away from the circuit and tripping the fuse. The PTR016V0120-BK is designed to protect against overloads of up to 20A. When the overload is reduced, the PTC disc cools off and a spring action restores its low-resistance path.

The PTR016V0120-BK provides robust protection for one-time and unpredictable overloads. Its design ensures that current is quickly diverted away from sensitive components, preventing them from over-heating and degrading the performance or service life of the system. Its spark-free mechanism also ensures it won’t contribute to any potential ignition sources.

Unlike electromechanical fuses, PPTC resettable fuses do not need to be replaced after each use. This makes them a more cost-effective solution for applications where disruptions are common. The PTR016V0120-BK also offers a compact size and high temperature rating, making it ideal for most automotive, aviation, and marine applications.

Conclusion

PPTC resettable fuses, such as the PTR016V0120-BK, provide effective protection for applications that require overload protection. Its slim profile and spark-free mechanism make it well-suited for use in vehicles, aviation, and marine applications. With the ability to handle high temperatures and a wide range of current ratings, the PTR016V0120-BK is a reliable and affordable solution for protecting against short circuits and over- current conditions.

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