0ZCJ0110FF2E

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Introductionto PTC Resettable Fuses

PTC (positive temperature coefficient) resettable fuses are low-cost, self-resetting thermal protection devices used to protect electric and electronic circuits from overload or short-circuits. They achieve time-delay protection by the presence of a phase change material which monitors temperature variations in the protected circuit. The phase change material operates to produce a sudden increase in resistance in response to a rise in temperature in the protected circuit.

0ZCJ0110FF2E Application Field and Working Principle

The 0ZCJ0110FF2E is a PTC resettable fuse specifically designed for small, single-suite, and embedded electronic equipment. It is an ideal choice for low-temperature applications requiring fast resetting and a high temperature range. Its working principle is based on the behavior of the PTC thermistors. The device will be activated when the temperature rises above its rated value. At that point, the thermistor resistance increases sharply, limiting the current in the circuit. This sudden increase in resistance is what triggers the protection system. When the temperature returns to a normal value, the resistance returns to a low value, allowing the circuit to be safely reset.

The 0ZCJ0110FF2E has a nominal resistance of 0.63ohms and a rated current of 1.1A. It is designed to be used with positive or negative voltage supplies up to a maximum of 28V and with an operating temperature range of between -40°C and +125°C. It also has a thermal time constant of 50 seconds, indicating that when heated to 120°C, it will take 50 seconds to cool back down to 20°C.

In addition to providing a simple, thermally triggered resetting capability, the 0ZCJ0110FF2E also offers high clamping efficiency. Its lower resistance threshold ensures efficient protection against short-circuits. Furthermore, its fast resetting time helps to prevent prolonged current flow in the protected circuit, minimizing the risk of fire or other damages.

Advantages of PTC Resettable Fuses

PTC resettable fuses provide numerous advantages over traditional fuses. They are a cost-effective solution for small and embedded equipment since they don\'t need to be replaced after each circuit overcurrent. This eliminates the cost and hassle of replacing fuses repeatedly. Additionally, they are more reliable and have lower temperature coefficients, meaning that they are suitable for high temperature applications.

PTC resettable fuses also offer greater safety. Since they automatically reset once the temperature in the protected circuit returns to a safe level, they help to avoid critical fires or other types of damages. Furthermore, they provide a degree of flexibility, since they are not permanently damaged by occasional over-currents. And since they are designed to self-reset, they don\'t require user intervention and can easily be monitored and adjusted remotely.

Conclusion

The 0ZCJ0110FF2E is a PTC resettable fuse specifically designed for small, single-suite, and embedded electronic equipment. It offers numerous advantages over traditional fuses, including cost-efficiency, reliability, and greater safety. It is activated when the temperature rises above its rated value, and automatically resets when the temperature returns to a safe level. This device is perfect for low-temperature applications requiring easy resetting and a wide temperature range.

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