1812L260/12MR

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PTC Resettable Fuses are a type of electronic component designed to protect electronic circuits from damage when an over-current has occurred. The 1812L260/12MR is an ultra-long-life resettable fuse with a locking feature. It features operating performance and circuit protection characteristics that are excellent for low-power applications. The 1812MR series is designed specifically for safety-rated, low power (1A-4A) applications.

The 1812L260/12MR application field includes applications that require low power, safety-rated resettable fuses. The 1812L260/12MR is the perfect choice for protecting low-power applications like Lighting, HVAC, Uninterrupted Power Supply (UPS), consumer electronics, electrical control systems and other sensitive components.

The main feature of the 1812L260/12MR is its unique operating performance and circuit protection characteristics. The fuse has an ultra-low holding current of 260 mA, which enables it to respond quickly to over-current events. It also offers excellent thermal stability and short-circuit protection characteristics. These properties make the 1812L260/12MR ideal for use in low-power applications.

The 1812L260/12MR also features a locking feature, which helps to ensure that the fuse remains in its tripped state until the power supply is disconnected. This feature helps to prevent accidental resetting of the fuse and allows the circuit to remain protected. The fuse also features an automatic reset feature, which allows the fuse to reset itself after an over-current event has occurred.

The working principle of the 1812L260/12MR is relatively straightforward. The fuse is designed to open when the current flowing through it exceeds the specified limit. This causes the fuse to trip, which disconnects the power supply from the circuit and stops the flow of current. When the voltage across the terminals of the fuse falls below the specified limit, the fuse automatically resets itself, allowing the power supply to be reconnected and the circuit to function again.

By utilizing a combination of ultra-low holding current and a locking feature, the 1812L260/12MR provides excellent protection for low-power applications. With its combination of fast-acting response and high thermal stability, the 1812L260/12MR is an ideal choice for low power applications such as Lighting, HVAC, UPS, consumer electronics, electrical control systems and other sensitive components.

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