PTR030V0110-TR

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PTC Resettable Fuses are used in many different applications in the electronics and industrial markets, often providing the advantages of overcurrent protection, as well as automated reset when conditions normalize. PTR030V0110-TR is one of the most versatile resettable fuses in the PTC family, and offers a combination of current, voltage, time and temperature characteristics, with a wide range of applications.

The application field of PTR030V0110-TR includes consumer electronics, medical products, networking equipment, industrial motor control, heating control, automotive system, lighting system, power supplies, renewable energy systems, etc. It has been successfully used for overcurrent protection, short-circuit protection, overload protection, over temperature protection, overcharge protection, as well as various other vital protection applications.

The PTR030V0110-TR is a positive temperature coefficient (PTC) thermistor that works based on the basis of increasing the resistance line with temperature. The resistance variation is such that when the temperature rises, the resistance increases too. This is mainly caused by Polaron hopping, which occurs between the molecules of the thermistor’s material. As the current passing through the thermistor creates heat, the thermistor increases in temperature and, as a consequence, the resistance increases as well. If the current passing through the thermistor increases abruptly, the temperature increases rapidly and consequently so does the resistance.

The working principle of PTR030V0110-TR is such that when a short-circuit or an overload current is detected, the thermistor’s high resistance state opens the circuit and stops the current flow, protecting both the thermistor and the circuit components. When the current has dropped below a specific level and the thermistor has had time to cool down, the thermistor returns to its low resistance state, allowing the current to flow through the protected circuit again.

The combination of the high current holding capability, low minimum operating temperature, and fast response of the PTR030V0110-TR provides high performance overcurrent protection without sacrificing other performance aspects. Additionally, the operating characteristics of the PTR030V0110-TR make it suitable for use in a wide range of applications. Indeed, the PTR030V0110-TR is able to meet or exceed requirements in a variety of critical protection applications.

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