NANOSMDC075F-2

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PTC resettable fuses like NANOSMDC075F-2 come in handy when a regular fuse would take too much time and effort to replace and the circuit needs to be instantly energized again after the fault occurs. These fuses provide circuit protection in various electrical/electronic systems, especially in consumer, telecommunications and automotive applications. This article will go over the application field and working principle of NANOSMDC075F-2 and other PTC resettable fuses.

PTC resettable fuses come in a variety of different sizes, shapes and ratings, but all of them work on the same principle – a current-sensing element detects any increase in electrical current that might indicate overloading or a short circuit. When this happens, the fuse “trips” and opens the circuit, breaking the flow of the current that was shortening the circuit.

After the short circuit is repaired, the fuse can be reset, allowing current to flow again. This is done without ever having to replace the fuse itself, making it a much more economical solution than replacing regular fuses.

The NANOSMDC075F-2 PTC resettable fuse is designed to protect components in a wide variety of applications, including automotive systems, consumer appliances and telecommunications equipment. It is a bi-metallic fuse with an integrated thermistor that accurately senses overcurrents and limits the current during a fault condition.

The fuse has a hold current of 0.75A and a trip current of 1A. It operates on a minimum of 75V and a maximum of 500V DC. The NANOSMDC075F-2 also has a high inrush current-sensing capability of 10A for 10ms and an overload rejection of 150%. It is encased in a epoxy molded SMD package and measures 3800 mm x 3200 mm in size.

When the current flow in the circuit exceeds the hold current, the NANOSMDC075F-2 fuse starts to heat up, which triggers an over-current fault. This causes the thermostat inside the fuse to open, breaking the connection and creating the short circuit. At the same time, the heat also develops a pressure that helps the fuse open easily and quickly. Once the short circuit is cleared, the pressure on the fuse is released, allowing it to close the connection and reset itself.

The NANOSMDC075F-2 PTC resettable fuse is also used to help prevent problems caused by over-currents that occur when an appliance is plugged into an outlet. It helps to protect the user from an electrical current bigger than the appliance can handle and prevents any sparks or fires.

PTC resettable fuses are designed to provide reliable protection against overcurrents and short circuits, while also saving time and money. They are used in a wide range of applications, from automotive systems to consumer appliances and telecommunications equipment, and the NANOSMDC075F-2 is an excellent example. With its 0.75A hold current, 1A trip current and epoxy molded SMD package, it is a great choice for a variety of projects.

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