RWR89S4990FSB12 Resistors

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Through Hole Resistors are devices designed to provide a fixed amount of resistance in an electrical or electronic circuit. The RWR89S4990FSB12 is one such resistor and has a range of applications. Its working principle is based on Ohm\'s Law, which states that the voltage across a resistor is directly proportional to the current flowing through it.

The RWR89S4990FSB12 is designed for high power applications. It is suitable for use in power supplies, signal amplifiers, LED lighting fixtures, and automotive applications. The resistor\'s package is an axial leaded configuration. This means the leads protrude from both sides of the package, creating a higher degree of heat dissipation. This also allows for easy soldering into boards and fixtures.

The RWR89S4990FSB12 is a through-hole resistor with a tolerance of ±1%. This is a rather wide range, allowing for some flexibility in the design of the electrical circuit. The resistor has an operating temperature range of -55°C to +125°C. This is enough for it to be used in most applications, including those exposed to extreme temperatures. In addition, the resistor has a power dissipation rating of up to 1W.

The most important part of any through-hole resistor is its working principle. The resistor works by restricting the flow of current using a material with non-linear resistance. This material is usually a metal alloy. As electrical current passes through the resistor, energy is dissipated as heat. This heat is then dissipated from the component because of its axial lead configuration. It is this dissipation of energy which creates the fixed amount of resistance in the circuit.

The RWR89S4990FSB12 is a reliable and useful through-hole resistor which is suitable for a range of applications. It is designed to provide a consistent resistance within ±1% tolerance and can handle up to 1W of power dissipation. The resistor is also designed to work within a temperature range of -55°C to +125°C. This allows the RWR89S4990FSB12 to be used in many high power applications.

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