RWR80S2R71FRB12

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Through-hole resistors are one of the most commonly used resistor elements in various electrical and electronic products. As the name suggests, through-hole resistors are installed in holes created in a PCB and then connected to component leads by soldering. RWR80S2R71FRB12 is a two-terminal, cylindrical resistor with a wire-wound element. Its features offer a wide range of applications and benefits.

Features

RWR80S2R71FRB12 features a RoHS compliant, insulated construction with a nominal resistance of 2.71 ohms. The power rating of the resistor is 0.15 watts (0.3 W at +125°C). This feature helps increase application efficiency by providing long life and excellent repeatability. Additionally, the resistor features a low temperature coefficient of resistance (TCR) and a high temperature coefficient of resistance (TCR), which helps ensure accurate readings and reduce maintenance costs.

The component has a rated 125°C system temperature and an operating temperature range of -55°C to +85°C. Additionally, it has a waterproof physical construction to ensure protection against moisture and dust, and a Teflon® insulation package that helps minimize radio-frequency interference. The resistor is also designed to tolerate all circuit upsets, such as spikes, surges, and reverse polarity protection.

Application Field

RWR80S2R71FRB12 provides power ratings that accommodate almost any project or application, making it an ideal choice for high-speed, low-power microcontrollers and digital signal processors. Additionally, its temperature coefficient of resistance (TCR) makes it suitable for applications involving vibration or shock. Some typical applications for this resistor include output current source from dc-dc converters, variable resistor applications, and blending in audio applications.

The resistor is also used in automotive, medical, and communications industries. The high TCR enables it to remain reliable in these industries even when exposed to strong vibrations, temperature fluctuations, and corrosive particles. Additionally, due to its low noise characteristics and insulation package, the resistor is suitable for noise filtering and EMI/RFI filtering applications in high speed circuits such as WLAN, reverse-EMI, and others.

Working Principle

RWR80S2R71FRB12 works on the principle of Ohm’s law, which states that the resistance of a resistor is directly proportional to its electric current. The resistor has a wire wound element that acts as a resistor when an electric current is passed through it. The resistor then alters the amount of current passing through it. The amount of resistance can be changed by varying the amount of wire, the material used for the wire, and the temperature of the environment.

The resistor also has different types of connections that allow it to be accurately and reliably connected to other components. Typically, PCBs are used to mount the resistor. The resistor is placed in a hole on the PCB, which is then soldered to component leads with a soldering iron. The connection is then secured with insulators to ensure reliable electrical contact.

Conclusion

RWR80S2R71FRB12 is an, RoHS compliant, insulated two-terminal cylindrical resistor with a wire-wound element. Its features wide range of applications in a variety of industries and applications. It works on the principle of Ohm’s law and is connected to other components using a PCB and soldered connection. Its features offer extended life and excellent repeatability, which help increase its application efficiency.

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