0ZCD0150FF2C Circuit Protection

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PTC Resettable Fuses are a form of overcurrent protection device that protect circuits from excessive currents. 0ZCD0150FF2C is a PTC Resettable Fuse from TE Connectivity. It is a low resistance PTC thermistor, with a high current capability and a fast-acting response to overcurrent events.

The 0ZCD0150FF2C resettable fuse is a Polymeric Positive Temperature Coefficient (PPTC) device with solder terminals. It has a nominal resistance of 0.150 ohms at 25°C. Its maximum operating voltage is 50 Volts and it is rated for a current of 15 Amps. The nominal current rating of the device is 3.5 Amps, which is the maximum current that can pass through the device before its fuse element activates and opens the circuit.

The 0ZCD0150FF2C resettable fuse is designed to protect against moderate over-currents and short circuits that can occur in a circuit as the result of an over-load. At the point of over-current, the device\'s fused element opens and interrupts the current flow. When the current is reduced, or the fault is removed, the PTC device will reset itself and allow current to flow again. This has the added benefit of providing an indication of the fault to the user.

PTC resettable fuses like the 0ZCD0150FF2C are suited for applications such as telecom equipment, consumer electronics, and automotive electronics that require safety and reliability. They are used in power supplies, chargers, adapters, and other devices to protect from inrush current, low-level shorts, and overvoltages. The 0ZCD0150FF2C PTC resettable fuse is also beneficial in protecting against any over-current events in a circuit, and is designed for use in low voltage, DC applications.

The working principle of a 0ZCD0150FF2C resettable fuse is based on two factors: current and temperature. The device consists of two elements: a fused element and a polymer. The fused element is initially at a low resistance value and when current passes through it, heat is generated which causes the polymer to expand. As it expands, it increases the resistance coefficient of the device thus increasing the resistance. This increase in resistance causes the current to be limited and the device to shut down, protecting the circuit from any over-current events.

Once the overload has been removed, and the current below the nominal threshold, the polymer cools down and contracts, thus reducing the resistance coefficient, allowing the current to pass again. This type of resetting is often referred to as \'self-resetting\' or \'auto-resetting\'. PTC resettable fuses are designed to reset multiple times, as long as the circuit components have not been damaged.

The 0ZCD0150FF2C is a robust and reliable PTC resettable fuse from TE Connectivity that offers a fast-acting response to protect circuits from over-current events. It is designed for low voltage, DC applications and is suited for applications such as consumer electronics, telecom equipment and automotive applications that require safety and reliability.

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