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Through Hole Resistors

Through hole resistors, commonly known as through-hole technology (THT), are discrete components that are mounted on printed circuit boards (PCBs) by passing wires through corresponding holes in the board. Through-hole resistors are highly reliable, easy to mount, and can be used in a variety of applications, such as in high-power electronics and medical equipment. One of the most popular THT resistors is the CFR50SJT-52-820K. This resistors is featured by an integrated ceramic core and coated with silver paste, which provides additional safety and protection.

CFR50SJT-52-820K Application Field

The CFR50SJT-52-820K offers reliable, stable and precise performance. It is widely used in power circuits, electronic heating machines, medical equipment, and industrial grade applications. Due to its tight tolerance construction, as low as +/- 0.05%, the CFR50SJT-52-820K provides a high degree of accuracy and the ability to precisely control resistance. This precision has made it the go-to choice for power electronics as well as for medical equipment where accuracy is paramount.

CFR50SJT-52-820K Working Principle

The ESR of the CFR50SJT-52-820K is obtained by passing a current through the device and measuring the voltage across its terminals. This voltage is proportional to the resistance of the device. The operation of the device is based on Ohm\'s Law, which states that the voltage across a conductor is directly proportional to the amount of current flowing through it. The CFR50SJT-52-820K\'s rating is measured in ohms and it is designed to dissipate Power.

When current passes through the resistor, electrical energy is converted to thermal energy, which causes the resistance to increase slowly over time. This effect is known as self-heating. To prevent the resistor from over-heating, its Power rating need to be matched to the level of current and voltage that it passes through. The CFR50SJT-52-820K\'s Power rating is determined by its construction. The ceramic core helps to dissipate the heat that the resistor generates while the silver paste coating helps to protect the device from further damage due to heat.

Through-hole resistors, like the CFR50SJT-52-820K, have a greater tolerance than those of other technologies. This is due to their construction. A common through-hole resistor is formed from tightly-drilled ceramic cores onto which various contacts are affixed and soldered into place. The tight tolerance of this construction helps to ensure accuracy and stability in the device.

The CFR50SJT-52-820K is an excellent choice for power electronics, medical equipment and general industrial applications. Its tight tolerance allows for precise control of resistance and its construction ensures a high degree of reliability and stability. The silver paste coating provides additional protection for the device from the dangers of self-heating.

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