FCR3WSJT-73-10K

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Through Hole Resistors are very common in electrical assemblies. Often used in current-limiting applications, these resistors are most commonly found on printed circuit boards (PCBs) and integrated circuits (ICs). The FCR3WSJT-73-10K is an example of such a resistor, and this guide will explain the application field and working principle of this device.

Application Field

The FCR3WSJT-73-10K is a 3 Watt resistor and is designed primarily for current-limiting in high-integrity, low-power circuits. It is suitable for AC circuits with up to 1990V and DC circuits with up to 240V. The device is most suitable for use in LED lighting, automotive electronics, industrial process control, and other applications where power is limited, but reliable performance is essential.

Working Principle

The FCR3WSJT-73-10K is a simple resistor, designed to limit the current flowing through a circuit. It works by introducing an electrical resistance to the circuit, thus limiting the amount of current allowed to flow through it. This is commonly known as current limiting, and is an effective way to protect sensitive components from overload.

When the FCR3WSJT-73-10K is placed in a circuit, it will create a resistance that limits the amount of current allowed to pass through. This resistance is set by adjusting the tolerance of the device, which refers to the amount of resistance the device will provide. Typically, the tolerance of a resistor will range from 0.2% to 5%. Adjusting the tolerance is important to ensure that the device will work correctly in a given circuit.

The FCR3WSJT-73-10K also features a thermal coefficient. This refers to the amount of resistance the device will provide at various temperatures. The thermal coefficient is usually expressed in ppm/K (parts per million per degree Kelvin). This is important to consider when using the device, as the resistance of the device will change with varying temperature.

Conclusion

The FCR3WSJT-73-10K is a 3 Watt through hole resistor, designed for use in current-limiting applications. It is suitable for AC circuits with up to 1990V and DC circuits with up to 240V. The device features adjustable tolerance, which defines the resistance provided by the device, and a thermal coefficient, which determines the resistance of the device at varying temperatures. In this way, the FCR3WSJT-73-10K is an effective current-limiting device, with reliable performance.

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