FKN300JR-73-39R

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Through hole resistors are a type of resistor components used to resist the flow of current within an electric circuit. A through hole resistor is typically a cylindrical component that is mounted to a printed circuit board (PCB) with two metal leads which penetrate the board and extend from both sides. FKN300JR-73-39R is a through hole resistor made by Fuji Electric. This resistor is designed for an LED driver application and is suitable for relays, lamps, and other circuits that require a quick response to varying load conditions. It is also commonly used in power supplies for electronic appliances.

The FKN300JR-73-39R has a rated power of 0.5W and a resistance range from 0.47Ω-0.69Ω. Its terminals feature high soldering heat resistance, enabling secure and reliable mounting. This through hole resistor also complies with RoHS standards for environmental safety and is halogen-free. The size of the resistor is 8mm×9.2mm and it is suitable for operating temperatures ranging from -40°C to 105°C.

The FKN300JR-73-39R through hole resistor works by restricting the current flow within a circuit. The resistor is designed with a specific resistance which determines how much current can pass through the component. When an alternating current is applied to a resistor, some of the energy is lost as heat energy and the rest is converted to electric energy. This excess energy is then diverted away from the circuit, reducing the current flow.

The construction of a through hole resistor consists of a resistive element, either made from carbon, metal, ceramics, or a mixture of different materials, and two terminal ends. The resistive element is usually provided with a layer of insulation to prevent short circuits. The terminals have a slightly larger diameter than the resistive element and they provide the electrical connection to the resistor. This design allows the resistor to be connected directly to a PCB without any additional components.

The through hole FKN300JR-73-39R resistor has a variety of uses in LED driver applications. The resistor is ideally suited for regulating low voltage currents in relays, lamps, and other electrical components. It can also be used in power supplies for electronic appliances and LED displays. This resistor provides reliable performance and operates with relatively low power consumption. Additionally, the FKN300JR-73-39R is commended for its high soldering heat resistance as well as its ability to handle varying load conditions.

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