30R135UU

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PTC Resettable Fuses are the most common type of electronic fuse. This type of fuse includes a Positive Temperature Coefficient (PTC) element, which is designed to act as an over-current breaker and to reset itself after the over-current condition has passed. The 30R135UU is one such PTC Resettable Fuse, with a rated current of 10A and a rated voltage of 125V. The 30R135UU is fully compliant to UL 1968 and to CUL 10767 standards.

The 30R135UU\'s application field includes protecting transformers, motors, relays, DC-DC converters, and circuitry from over-current events. This fuse can also be used for over-load and short-circuit protection of appliance wiring, as well as for protecting LED lighting. The 30R135UU provides reliable protection without the need for physical replacement in the event of an over-current situation.

The 30R135UU\'s working principle is relatively simple. It consists of a PTC element connected in series with a common conductor, and a single secondary line connected to the PTC element. When an over-current situation occurs, the PTC element starts to heat up and its resistance increases. This increases the resistance and voltage drop across the PTC element, which limits the current flowing through the common conductor and the secondary line. The heat generated by the PTC element dissipates once the over-current situation has been remedied, allowing the PTC element to return to its original state.

The 30R135UU also provides additional features to ensure it performs reliably. It has a low-temperature current limit of 0.1A, which enables it to protect against micro-arcing or overload conditions. Its surge tolerance is at least 1000A, which means it can survive extreme overload conditions. It also offers low power consumption, allowing it to be used in smart devices with limited power budgets, as well as in battery-operated equipment.

The 30R135UU PTC Resettable Fuse is a reliable and cost-effective solution for protecting DC circuits from over-current events. It is designed to be robust and reliable, with features such as a low-temperature current limit, a high surge tolerance, and low power consumption. This makes it ideal for a wide range of applications, including appliance wiring, DC-DC converters, LED lighting, and transformers.

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