NANOSMD350LR-2

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PTC resettable fuses, or Polymer Positive Temperature Coefficient (PPTC) resettable fuses, are special types of fuses used in electronics applications. The NANOSMD350LR-2 is a high-performance PTC Resettable Fuse that is both compact and lightweight. It has a current rating of 350A, a time-to-trip (TTR) of 2A, a voltage rating of 1000V, and a maximum fault condition of 250mA.

The NANOSMD350LR-2 is commonly used in applications that require high-current protection, such as power supplies, motor controllers, and solar inverters. The PPTC resettable fuse is designed to safely break the circuit when an overload or short circuit occurs, while protecting the rest of the circuit from the surge or excess current. After the event, it will automatically reset itself with no need for manual resetting.

The working principle behind PTC resettable fuses is based on a polymer\'s abilities to expand and contract in response to changes in temperature. Since the resistance of the polymer increases drastically with increasing temperature, it can be used to reduce the current through a short circuit or over current, which in turn causes the fuse to trip. The polymer then slowly contracts at cooler temperatures until the fuse is reset.

The NANOSMD350LR-2 PTC resettable fuse is constructed of natural bi-metal alloy strips which act as heat sinks to dissipate the heat away from the semiconductor and improve the performance of the fuse. It also features an internal thermal cutoff for safety. Additionally, the NANOSMD350LR-2 can operate at a wide range of temperatures, from -40°C to 85°C, and is compatible with a variety of components.

The NANOSMD350LR-2 is a high-performance, cost-effective PTC resettable fuse which utilizes the self-resetting PPTC technology, making it highly reliable and ensuring a long operational life. It is designed to quickly trip when an overload or short circuit occurs, ensuring the safety of the remainder of the circuit and eliminating the need for manual resetting. With its superior current and voltage ratings, wide operating temperature range, and safety features, the NANOSMD350LR-2 is the ideal solution for power supply, motor controller, and solar inverter applications.

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