0ZCD0075FF2C Circuit Protection

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PTC resettable fuses, also known as polyfuse, polyswitch, polyswitch fuse, resettable fuse or PPTC, are passive, resettable device that limit and control the current flow. The 0ZCD0075FF2C PTC resettable fuse is a single-pole overcurrent and short-circuit protection for automotive circuit protection applications. It can also be used for low power consumer electronics products.

The 0ZCD0075FF2C PTC resettable fuse consists of two main parts: a polymer body and a metal terminal. The polymer body is designed with a high-flow rate conductive paths which are arranged in an Internal Silicon structure. This enables the 0ZCD0075FF2C PTC resettable fuse to have a high surge current capability and low steady-state power dissipation. The metal terminal is designed to enable connection to the application and facilitates easy mounting in the circuit.

The working principle of the 0ZCD0075FF2C PTC Resettable fuse is that when the current passing through the fuse exceeds its rated current, the polymer body of the fuse heats up and the polymer material inside starts to expand. This expands the conducting paths, causing a rapid increase in resistance. This increases the temperature even further, until eventually the fuse is tripped and the current is reduced to a safe level. When the current decreases back to a safe level, the polymer material cools down and contracts, resulting in a decrease in resistance and the fuse being re-engaged.

The 0ZCD0075FF2C PTC Resettable fuse is primarily used in automotive circuit protection applications, such as controlling power to sensors and other automotive electronics. It can also be used in low power consumer electronics products for overcurrent and short-circuit protection. The 0ZCD0075FF2C PTC Resettable fuse provides the benefits of an over-current protection device that does not require additional circuit elements such as a relay to reset the device, increasing the reliability and robustness of the circuit.

The 0ZCD0075FF2C PTC Resettable fuse offers a wide range of over-current protection levels, from 1A to 40A, allowing it to be used for a variety of different applications and circuits. It is a reliable and cost-effective solution for automotive circuit protection and low power consumer electronics, providing overcurrent and short-circuit protection while not requiring a reset button or additional components.

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