RN70C1242FB14

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Through Hole Resistors

Through Hole Resistors are an essential component in all electrical systems. The RN70C1242FB14 is a high wattage resistor designed to handle high temperature extremes and voltages. This resistor is commonly used in high-energy applications such as power supplies, automotive applications, and commercial installations.

Application Field

RN70C1242FB14 resistors are typically employed in electric power systems, such as uninterruptible power supplies (UPS) and generator systems. This resistor is also used in some alternative energy systems, such as solar and wind turbine systems. Other applications include welding equipment, surge protection devices, and industrial electronic systems.

This resistor is also widely used in automobile and automotive systems. Due to its high wattage rating, it is commonly employed in high power battery packs, alternators, starters, and other automotive electronics. This resistor is also used in multiple battery pack configurations to limit charging current.

In addition, this resistor is often deployed in stand-by power supplies, such as those used in cell phones and other mobile industry devices. In these cases, the resistor is used to limit the current going to the device.

Working Principle

The RN70C1242FB14 operates on the principle of resistance. Whenever electric current is forced through a resistor, the electric potential energy is converted into heat. This heat is dissipated from the resistor as heat transfer to the surrounding environment.

The RN70C1242FB14 is designed to maintain a certain temperature at rated operating conditions of resistance and voltage. Typically, these resistors are designed to dissipate at least twice the rated wattage in order to prevent thermal damage to the resistor element.

As current passes through the resistor, the temperature increases. This increase in temperature causes a corresponding increase in resistance. The voltage required to produce the same current is increased, hence the name Thermal coefficient of resistance (TCR).

By using the TCR, the resistance value can be adjusted to meet the specific requirements of the application. This ensures that the resistor can dissipate the necessary wattage while keeping the temperature within specified limits.

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