0ZRB0700FF1A

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PTC (Positive Temperature Coefficient) Resettable Fuses are low-power overcurrent protection devices that are self-resettable after overcurrent trips. These fuses are widely used in a range of electronic products, from portable devices to entertainment electronics, as a way of safeguarding sensitive components from short-circuit, overvoltage, or over-current damage caused by power surges. The 0ZRB0700FF1A is a PTC Resettable Fuses, designed to protect circuits from current surges. This article will discuss the application field and working principle of the 0ZRB0700FF1A.

The 0ZRB0700FF1A PTC Resettable Fuses is designed for low power overcurrent protection applications, such as surge protection for PC-peripherals, memory, battery-powered electronic devices and automotive applications. It can be used to protect sensitive components from over-voltage, over-current, short-circuit, and power-surge damage. The device features a mechanical fuse in series with a polarized PTC element. The PTC element provides enough resistance to act as a thermal break, protecting the fuse during a surge event.

The 0ZRB0700FF1A PTC Resettable Fuses operates based on the following principle. When there is an overload or a short-circuit current beyond its rated current, the fuse\'s metal terminals will first heat up due to the Joule heating effect. This will cause the fuse to open, breaking the circuit and preventing further damage to the other components. At the same time, the PTC element acts as a thermal break, limiting the excess current, while providing enough heat to trip the fuse. This series-type combination of a mechanical fuse and a PTC element makes the 0ZRB0700FF1A PTC Resettable Fuses a safe and reliable over-current protection device.

In addition to its power protection feature, the 0ZRB0700FF1A PTC Resettable Fuses is also popular because of its resettable feature. After an overloop or short-circuit event, the device is able to automatically reset itself when the thermal element cools down, allowing the current to flow once again. In comparison to traditional fuses, the resettable feature eliminates the need to replace the device or to manually reset the fuse, resulting in lower costs and maintenance time.

The 0ZRB0700FF1A PTC Resettable Fuses is a reliable and compact over-current protection device designed to protect circuits from current surges. Its mechanical fuse is combined with a polarized PTC element to provide a thermal break, allowing it to trip the fuse while limiting the excess current. Additionally, the device\'s resettable feature makes it popular for its cost and maintenance efficiency. This makes it ideal for a range of low-power over-current protection applications, such as surge protection for PC-peripherals, memory, battery-powered electronic devices and automotive applications.

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