RWR71S4751FSB12

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Through Hole Resistors

Through hole resistors, with the RWR71S4751FSB12 model number as an example, are components designed for a multitude of applications, particularly in the fields of data processing, telecommunication, and guidance systems. Through hole resistors provide accurate, reliable, and dependable procedures for controlling the voltage and current flow of an electrical circuit, as well as limiting the power a given circuit can produce.

Applications

The components are suitable for high power applications such as audio amplifiers, industrial motors, and welding heads, as well as for pulse applications, in medical and aerospace, for instance. Some other uses can include ground potentials, energy distribution, data buses, DC filters, and implementation of an artificial ground.

Through hole resistors are also found in switch-mode power supplies to control both the input and output voltage, temperature, and current. Moreover, since the components can be used to limit the power consumption, they are also utilized in the protection of bulk capacitors, semiconductors, transistors, transformers, and multiplexers.

Operating principles

These resistors can maintain power and work on AC and DC circuits. When a resistor is placed in an electric circuit, the resistor impedes the flow of current. So, the flow of current through it will reduce the voltage on its terminals.

Voltage and current variation is also controlled by changing the resistive material in the component. A vast range of resistor types is available, based on the material used, such as carbon film, metal film, and ceramic composition.

Through hole resistors experience very little change in resistance, which makes them suitable for applications such as voltage dividers or what is known as potential dividers, for which exact values of resistance are required.

Important characteristics

The components are characterized by physical size, power ratings, number of sections, and temperature coefficients. Among them, the RWR71S4751FSB12, of Through hole type, has the following characteristics: size of 73.7mm x 25.4mm (2.9in x 1in); power rating of 5W; number of sections 1; temperature coefficient of 150ppm/°C.

More precisely, the RWR71S4751FSB12 model produces a voltage drop of 93mV at a given current, giving it an accuracy of 5%. Despite the fact that the component dissipates heat when energy is supplied to the resistor, its power dissipation levels are the lowest within its class, leading to reduced maintenance costs and improved efficiency.

This model has long term stability, high temperature coefficient, and low dissipation tolerance. Moreover, it is capable of withstanding a voltage surge without causing any major disruption. All these features, make this component particularly suitable for both, temperature and power controlling applications.

Advantages

One of the main advantages of through hole resistors is that they are low cost and available in large quantities, directly from manufacturers. Another highlight of this type of resistor is that they can be used in a variety of applications since they have a high tolerance level for accuracy, and feature a perforated design.

Through hole resistors incorporate components such as axial leads that stand up to external forces, and terminals that do not get damaged easily. Furthermore, they require less hand soldering and can reduce assembly time. As a consequence, the amount of money spent on installation and maintenance costs lowers.

Conclusion

Including the RWR71S4751FSB12, through hole resistors have been around for many years. With these components, it is possible to provide an accurate and reliable control of voltage and current fluxes, as well as power consumption. They are used in a wide range of applications, from energy distribution to medical and aerospace technologies, and have budget friendly costs.

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