H8390RFDA

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Through Hole Resistors are a type of device commonly used for current limiting, voltage dividing, and power dissipation in electrical and electronic circuits. The H8390RFDA is a through hole resistor specifically designed for use in high-temperature and long-term reliability applications. This device is manufactured using a variety of metals and other materials, and it is capable of operating in temperatures as high as 350°C.

Applications

The H8390RFDA through hole resistor is primarily used in commercial, industrial, and military applications that require reliable operation in high temperatures, such as telecom, avionics, power supplies, and space-based systems. Additionally, the device is well-suited for applications in automotive, aerospace, and defense industries where high-temperature and long-term reliability are necessary.

Working Principle

The H8390RFDA through hole resistor operates on the principle of ohmic or resistive heating. In this type of device, electrical current flows through a resistive material, which generates heat due to the collision of charged particles with atoms in the material. The amount of heat generated is proportional to the current flowing through the resistor, and the temperature of the resistor is directly proportional to the amount of heat generated. As the temperature of the resistor increases, the resistance value of the device decreases. This phenomenon is known as “thermal runaway”.

The H8390RFDA through hole resistor is designed to resist thermal runaway by employing “high temperature control”. This control limits the maximum temperature of the resistor, regardless of the current flowing through it. This allows the resistor to be used in high-temperature applications without the risk of overheating or burning out.

Conclusion

The H8390RFDA through hole resistor is a specialized device specifically designed for use in high-temperature and long-term reliability applications. The device operates on the principle of ohmic or resistive heating, and it is capable of operating in temperatures up to 350°C. This makes it ideal for use in commercial, industrial, and military applications that require reliable operation in high temperatures. Furthermore, the device is equipped with “high temperature control” that prevents thermal runaway, making it an ideal choice for high-temperature applications.

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