PF1262-120RF1

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A through hole resistor is an electronic component that reduces current flow and as such is used to adjust signal levels, provide bias to active devices, divide signals, and terminate transmission lines. PF1262-120RF1 is part of a long-line of through hole resistors, manufactured by Panasonic, which has a drive to produce leading-edge solutions for components with an unparalleled focus on quality and reliability.

PF1262-120RF1 is a type of metal-oxide film resistor that has an enclosure for protection from environmental conditions as well as the risk of EMI/RFI destabilizing the electrical signals. It features a power rating of 2 x 12W, and a voltage rating of 350VAC/VDC, making it suitable for high power applications. It also has a wide resistance range at −45 ppm/°C temperature coefficient tolerance, which ensures a high level of accuracy despite changes in temperature.

PF1262-120RF1’s main application field is in power management and motor drives due to its excellent current ratings. Many of the popular uses can also be found in industrial automation systems, such as robotics, vehicle control, PLCs, and instrumentation. In addition, the resistor is also popularly used in heating and cooling applications.

The construction of the PF1262-120RF1 metal-oxide film resistor requires an oxide film, an electrode system, and a carbon support. Its working principle is to use the electrolytically formed oxide film as a resistive element between the two electrodes. The carbon support portion of the resistor is used to adjust the temperature of the film, and the electrode system helps in connecting the films.

When the resistor is connected to the circuit, the current flows through the resistive film, which reduces the current based on the resistive value of the film. The total power rating is determined by the wattage of the resistor and its temperature coefficient. The heat generated by the resistor\'s current flow is dissipated by the carbon support, which absorbs the heat and dissipates it to the air to maintain an optimal working temperature range.

PF1262-120RF1 is an excellent choice for demanding applications due to its high power rating and precision resistance. Its low temperature coefficient tolerance makes it ideal for temperature-critical applications, while its robust construction ensures its durability and long-life expectancy. Its versatility allows it to be used in a wide variety of applications, offering more options for users.

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