PCF-2-1/2-R

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Fuses are a special type of power protection device that are designed to protect electrical circuits from damage by excessive current, and to provide overload protection to compatible devices. The PCF-2-1/2-R is a type of fuse designed to protect small AC and DC circuits. In this article, we will discuss the application field and working principle of the PCF-2-1/2-R.

The PCF-2-1/2-R is well-suited for circuits in which currents ranging from 1.2-2.1A might be encountered. It is commonly used to protect basic AC circuits, such as lighting or heating. It can also be used in DC circuits, such as automotive electrical systems, solar panel systems, and communication systems. Additionally, the PCF-2-1/2-R is available with a variety of mounting styles, including clip-mounted, bayonet-mounted, soldered-pin and stud-terminal. This makes it one of the most versatile and commonly used fuses in the industry.

The PCF-2-1/2-R is designed to open circuit at a preset current when the current flow exceeds the designed maximum amperage. This is accomplished by carefully measuring the heat generated by current flow and comparing it to a calibrated spring. The spring contains a set of calibrated disks that move towards each other when the fuse is heated by current flow. When the disks meet they compress the spring, which causes the contacts in the fuse to separate and open the circuit.

The PCF-2-1/2-R also has a low voltage drop and fast-acting response that makes it ideal for protecting sensitive electronics. Additionally, the PCF-2-1/2-R has a wide operating temperature range of -55°C to +125°C, making it suitable for a variety of applications. Moreover, it is UL recognized, CE marked and compliant with IEC 127-2, making it a reliable component in most electrical and electronic units.

In conclusion, the PCF-2-1/2-R is a reliable and versatile fuse that is ideal for protecting small AC and DC circuits. It is designed to open the circuit at a preset current, and it has a low voltage drop and fast-acting response that make it ideal for protecting sensitive electronics. Additionally, the PCF-2-1/2-R is available with a variety of mounting styles, it has a wide temperature range, and it is UL recognized, CE marked and compliant with IEC 127-2.

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