RN55C12R7BRE6

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Through Hole Resistors are one of the oldest and most widely used components in electrical and electronic circuits. Generally chosen with power ratings of 1/4 W, 1/2 W or 1 W, they come in a variety of sizes, shapes and technologies.

The RN55C12R7BRE6 is a 12.7 Ohm through hole resistor from the RNC series from Vishay. It has a 5% tolerance and is designed for use in medical and military applications. The resistor has a wide range of applicability, such as in DC blocking, current-limiting, temperature sensing, battery loading, and noise filtering. It also features 100% matte tin (Sn) over nickel (Ni) termination finish and is RoHS compliant.

The component is generally used in high-temperature applications, such as electric motors and controllers, as it has a high operating temperature range of 175°C. It also has a wide range of current ratings, from 0.033mA to 333mA depending on the power rating.

In terms of working principle, through hole resistors are semiconductor devices The stacked layers of resistive and semiconductive materials inside it form a conducting barrier which limits the flow of electric current. When current is applied, the electrical energy is converted into heat energy and dissipates into the surrounding environment. The thickness of the layers and the material used determine the impedance or resistance value of the component, which affects the total current, voltage and power dissipation.

A through hole resistor also performs as a voltage divider; as the voltage increases, so does the voltage across the resistor, resulting in a proportional decrease in the voltage at the other end of the component. To increase accuracy and resolution, the component must be carefully designed and matched with an appropriate amplifier device.

The RN55C12R7BRE6 is packaged in a standard axial lead, which makes it well-suited for use on printed circuit boards (PCBs). Its power rating is dependent on the environment in which it is used; however, when used correctly, these resistors can provide accurate and reliable performance in any application.

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