MFR-12DRD52-71K5

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Through hole resistors are among the most commonly used components in electronics. The MFR-12DRD52-71K5 is one example of a through-hole resistor with an application field and working principle that are designed specifically for through-hole applications. The MFR-12DRD52-71K5 is a single-chip through-hole resistor with an operating temperature range of -40°C to +120°C. This resistor is designed for surface and through-hole mounting, providing a reliable electrical connection within a device. It is also designed to be mounted on printed circuit boards with a specific maximum footprint area of 6mm x 2mm.

The MFR-12DRD52-71K5 is a 5 watt resistor rated for a power rating of 5W. This resistor offers a total resistance value of 71kOhms and features a thermally enhanced overclocking of +50% to +70%. This type of resistor has a total dissipation coefficient of 1W/°C and a thermally enhanced power overload feature to provide extra current surge protection.

The construction of the MFR-12DRD52-71K5 includes a ceramic core, a thick-film resistor and a copper alloy metal sphere with a gold contact between the resistor and the copper alloy layer. This resistor functions by connecting a potentiometer to the copper alloy layer. When a voltage is applied, the current flowing through the resistor creates heat that is dissipated by the ceramic core. The heat is then transferred into the metallic sphere which then radiates away from the resistor and into the surrounding environment.

The working principle of this resistor is based on the Joule effect. The heat generated by the resistor depends on the resistance value, the voltage value and the current flow. As the level of current increases, the amount of heat also increases. The heat generated by the resistor is dissipated mainly by the ceramic core and the copper alloy metal sphere. The ceramic core also helps to reduce the temperature of the resistor by allowing the heat to dissipate away from the resistor and into the environment. The thermal overload protection of the resistor prevents it from reaching a hazardous temperature.

The MFR-12DRD52-71K5 is an ideal choice for through-hole applications such as automotive, healthcare, military and industrial applications. Because of its thermal overload protection, it can be used in places that require reliable voltage regulation. For this reason, it is usually used in applications such as sinusoidal current regulation and power supply stability. Additionally, its high power rating and high voltage/current resistance make it an ideal component for high power applications such as motors, transformers, lighting and actuators.

In conclusion, the MFR-12DRD52-71K5 is an excellent choice for through-hole applications. Its main features are its thermal overload protection and wide range of operating temperature. Its construction includes a ceramic core, a thick-film resistor and a copper alloy metal sphere with a gold contact between the resistor and the copper alloy layer that allow it to regulate and provide a constant current. The Joule effect is the main working principle of the MFR-12DRD52-71K5 and is the reason why it is perfect for high power applications such as motors, transformers, lighting and actuators.

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