MFR25SFRE52-243R

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Through-hole resistors, also known as axial resistors, are composed of very thin metal film or wire type resistors inserted into holes drilled into a perf board. The resistors are generally leaded and can be of any value from 1kΩ to 10MΩ. The resistors can also be either surface mount or leaded, though leaded resistors are far more common. The most common types of through-hole resistors are the MFR25SFRE52-243R.

The MFR25SFRE52-243R are known as flanged-mount resistors with a 2.54 mm lead spacing. They are through-hole resistor designed for use on double-sided printed circuit boards (PCBs). The resistor body is constructed of flame retardant ABS plastic flange for height and stability, and it is designed with metal deposition on the leadtips for easy soldering and chip-free soldering.

The MFR25SFRE52-243R is a low to medium power general purpose semiconductor device with a low thermal resistance. The reliable construction and copper lead frame offer high power handling capability, stable operation, and reduced heat dissipation. The resistor has an axial lead design that allows it to be easily soldered to a PCB. The resistor can be used for a variety of applications, such as LED lighting, audio, analog and digital circuits, industrial instrumentation, etc.

The MFR25SFRE52-243R comprises two ceramic layers with four pins. The outer layer has a copper layer that is attached to the resistor body and body flange, and a gold-plated braze is applied to the lead tips. The inner layer has two additional pins, one connected to the capacitor and another connected to the resistor body. This construction achieves stable and efficient heat transferring between the resistor and the substrate.

The working principle of the MFR25SFRE52-243R is based on Ohm’s Law. The resistor offers a fixed resistance across its terminals, which helps control or limit the current flowing through it. The voltage across the resistor will depend on the current that is flowing. When the current flow increases, the voltage across the resistor will also increase. This is due to the resistance offered by the resistor. So, the voltage across the resistor is inversely proportional to the amount of current flowing through the resistor.

The MFR25SFRE52-243R is commonly used in various applications, such as power supplies, linear circuits, LED lighting, audio, analog and digital circuits, and in industrial instrumentation. The device is a cost-effective solution for a wide range of applications as it offers high power handling capability, reliable operation, and low heat dissipation. Additionally, the axial lead design allows for easy soldering and mounting on the PCB. The reliable construction and copper lead frame provide excellent thermal, electrical, and mechanical characteristics. The cylindrical design offers exceptional heat dissipation while reducing interferences between critical components.

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