0ZCF0185FF2C Circuit Protection

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PTC Resettable Fuses 0ZCF0185FF2C are products that are used to protect circuits from damage caused by over currents or short circuits. These fuses consist of a polymeric Positive Temperature Coefficient (PTC) thermistor that is connected in series with an electrical circuit. The heat generated by the current that passes through the thermistor will cause a rapid increase in resistance. This increase in resistance causes a drop in current, reducing the risk of a catastrophic failure.

These PTCfuses are used for over-current protection applications in many products such as industrial equipment, computers, automobiles, telecommunications, consumer electronics, and power supplies. Theyare designed to be inserted into the circuit and will trip if the current through the circuit exceeds a predetermined value. The fuses can then be reset manually and will remain in a lowstate of resistance until the current flow exceeds the predetermined value again, thus providing a reliable and efficient method of protection.

The main advantage of these fuses compared to traditional fuses is their ability to reset after being tripped, meaning they can be used in situations where periodic over-current protection is required. Additionally, PTC Resettable Fuses are less susceptible to nuisance tripping due to light loads or voltage spikes. This makes them more suitable for low-voltage and current sensitive applications.

The working principle of a PTC Resettable Fuses 0ZCF0185FF2C is fairly straightforward. It consists of two parts, the polymeric thermistor element and a circuit breaker. The thermistor element, which is usually a metal oxide, conducts the current and has a temperature coefficient that causes the resistance of the element to rise with temperature. When the current passing through the element exceeds the rated value, the temperature rises, causing the resistance to increase. This increase in resistance causes a drop in the current, tripping the fuse circuit breaker, and protecting the circuit.

Once the fuse has been tripped, it can be reset manually, restoring the circuit connection. PTC Resettable Fuses 0ZCF0185FF2C are designed to withstand repeated cycles of overloads without affecting their performance. This makes them an ideal choice for applications where frequent tripping and resetting is required, such as motors, electronic power supplies, and automation systems.

In conclusion, PTC Resettable Fuses 0ZCF0185FF2C are ideal for over-current protection applications in a wide range of industries due to their ability to reset after tripping and their resistance to nuisance tripping from light loads or voltage spikes. These fuses work by increasing the resistance of the thermistor element when the current passing through it exceeds the rated value, tripping the fusebreaker and protecting the circuit.

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