MFR-25DRE52-243R

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Through hole resistors are a type of commonly used electronic resistors today and are widely used in applications where a large power dissipation and high stability of resistance values are required. The MFR-25DRE52-243R is a specific model of through hole resistor which is an actively cooled, non-inductive, and low-ohmic precision resistor. The resistor’s main application fields lie in power generation, motor control, and power protection. This article explores the application fields of the MFR-25DRE52-243R resistor and its working principle.

Application Fields

The MFR-25DRE52-243R is used in applications which require high power ratings and stable resistance values. The resistor has low-ohmic characteristics which allow it to be used efficiently in power circuits. Moreover, its specific construction can also enable it to deliver maximum power rating without the need of extra cooling measures. This makes the resistor suitable for applications in motor control, power protection, and power generation where safety is a primary factor.

The tight power regulation and fast response time of the MFR-25DRE52-243R are the primary factors, which make it suitable for application in power generation systems. Its ultra-low ohmic value provides an effective way of regulating voltage and current in the power circuit for sensitive electronic components. This helps ensure uninterrupted power supply and helps protect sensitive components from damage.

This resistor is also used in motor control. The MFR-25DRE52-243R is often used to regulate the speed of motors. When used in such applications, the resistor helps provide precise control over the motors\' speed. This helps ensure the motors\' efficiency and stability.

Finally, this resistor is often used for power protection. The low-ohmic characteristics of this resistor helps to connect and protect electronic components from short-circuit and overload. This helps protect electronic components and components from damage due to unexpected power spikes or irregularities.

Working Principle

The working principle of the MFR-25DRE52-243R is based on the basic ohm’s law. The resistor works on the principle of current/voltage flow in a closed loop circuit. When the current/voltage enters the closed loop circuit, it creates an opposing electric field which opposes the current flow resulting in the current/voltage being reduced to a certain level. This is achieved by the resistor, which adds an alternative path of current flow, diverting a part of the current to pass through the resistor itself. This results in the current/voltage being reduced to a certain level.

To ensure the efficient functioning of the resistor, it is constructed using a design called a wound construction. This involves winding a metal wire, usually copper or nickel, around a ceramic substrate. This adds a protective layer to the substrate and also helps dissipate the heat produced. This ensures that the resistor does not overheat and can effectively resist the current/voltage flow. The resistor then acts as a protective layer in the circuit, preventing the current/voltage from rising to an unsafe level.

The MFR-25DRE52-243R is also actively cooled to resist the high-power ratings. This is due to the nature of the resistor, where a large amount of heat is generated during the operation. The active cooling ensures that the resistor can effectively resist the power ratings without the risk of its components getting damaged. To achieve active cooling, a fan is used which continuously dissipates the heat produced by the resistor.

The MFR-25DRE52-243R is a through-hole resistor which is used for applications where a large power rating and high stability of resistance values are needed. Its application fields lie in power generation, motor control, and power protection and its working principle is based on the ohm’s law. The resistor works by creating an opposing electric field which reduces the current/voltage passing through it. Lastly, it is constructed using a wound design which is also actively cooled to ensure efficient operation.

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