RNX07520M0FKR7

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Through hole resistors have been used for many years to control electrical current in a circuit. RNX07520M0FKR7 is a popular through-hole resistor manufactured by ROHM semiconductor that can be used for multiple applications. Here we will look at the application field for RNX07520M0FKR7 as well as its working principle.

Application Field for RNX07520M0FKR7

RNX07520M0FKR7 is typically used in applications that require high power resistors. This resistor is rated with a high power dissipation of 25W and is capable of operating at temperatures up to 250°C. Because of its high power rating, it is well suited for applications such as:

• Surge protection circuits
• High voltage circuits
• Power meters
• Electric motor control circuits
• DC/DC power converters

Working Principle of RNX07520M0FKR7

RNX07520M0FKR7 is a type of through-hole resistor known as a metal oxide film resistor (MOFR). This type of resistor is manufactured by depositing a thin layer of metal oxide film, such as titanium oxide, on a ceramic substrate. A layer of metal electrodes, such as copper, is deposited on top of the metal oxide film. The resistance of the resistor is determined by the thickness and composition of the metal oxide film. The higher the resistance, the thicker the film needed. Additionally, the resistance of the resistor can be changed by adjusting the temperature of the resistor, allowing for more precise control over the current flow in the circuit.

The RNX07520M0FKR7 is also designed to dissipate heat generated by the current flow more efficiently than other types of resistors. This is accomplished by the use of metal fins on the resistor body, which act as a heat sink to dissipate heat away from the resistor. The design of the RNX07520M0FKR7 also allows it to have a higher power rating, as it is not as vulnerable to overheating as other resistors.

Conclusion

The RNX07520M0FKR7 is an excellent choice for applications requiring a high power resistor. Its metallic oxide film construction allows for precise control over the resistance of the resistor as well as efficient heat dissipation. This makes it suitable for a wide range of applications, including surge protection, high voltage circuits, power meters, motor control circuits, and DC/DC power converters.

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