16R090BU

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PTC Resettable Fuses are used in electrical and electronic products for the purpose of over-current protection. Commonly referred to as polymeric positive temperature coefficient fuses, these devices are an ideal solution when it comes to protecting against occasional surges and short circuits as they are able to reset automatically after the fault condition passes. When an over-current travels through the device, it becomes pressurized to heat and expand, which causes it to open the circuit and interrupt the current. 16R090BU is a PTC resettable fuse used to provide reliable over-current protection for automotive equipment, industrial computers, computers, and other related devices.

The 16R090BU PTC resettable fuse is a chip-type fuse with a solid-state structure. It can react quickly to electrical signals, and thus promptly cutoff the over-current when it detects the fault. A 16R090BU consists of a metal oxide layer, an insulation layer, a cover layer, a PTC element, a metal substrate, and a cover layer. The metal oxide layer retrieves low electrical currents and controls the return of electrical current. The insulation layer prevents uncontrolled electric leakage and sticks to the metal oxide and metal substrate to ensure devices of high insoluble and mounting effects. The PTC element acts as the thermal sensing switch in the device, as it heats up with the passing of over-current and opens the circuit leading to the device. It is mainly a semiconductor material, which can detect the high current quickly and accurately. The metal substrate acts to provide the connection between the PTC element and the cover layer. The cover layer prevents external heat from entering the PTC element. Overall, the PTC element is the core component of the fuse, and is the key factor for the reliable device operation.

The working principle of a 16R090BU PTC resettable fuse is relatively simple. When current passes through the device, the PTC element expands, and this effectively causes a reset of the device, which opens the circuit and interrupts the current. When the fault is gone, the current returns to its normal level, the PTC element cools down, and the device resets automatically and continues operation.

16R090BU PTC resettable fuses are widely used in the automotive, industrial, and consumer electronics markets for over-current protection. Automotive and industrial applications require reliable over-current protection due to the potential harm that could be caused to people, property, and the environment. 16R090BU PTC resettable fuses are ideal for these applications, as they offer quick and efficient protection against over-currents due to their fast response to the electrical signals. In addition, they can be used in consumer electronics such as computers, television sets, gaming consoles, and other related devices due to their small size and temperature-resistant properties. All in all, 16R090BU PTC resettable fuses are the perfect solution for providing reliable over-current protection.

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