WW12FT255R

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Through Hole Resistors are components that are used to set the required electrical resistance within circuits. A resistor can have a fixed or variable resistance value and is generally found in series with other components to limit and control the flow of current. The WW12FT255R is a type of through hole resistor. This article will explain its application field and working principle.

WW12FT255R Application Field and Working Principle

The WW12FT255R through-hole resistor is used in switching power supplies, high voltage DC-DC converters, microwave communication circuitry, and automotive applications. The WW12FT255R is a power resistor with a low resistance and high power rating which provides a reliable and cost-effective solution for these types of applications.The WW12FT255R is a 12W rated, 0.2 ohm, 5% resistor. The resistor is made of a low temperature coefficient alumina ceramic and is stocked in a variety of sizes and designs. Its operating temperature range is from -40°C to + 125°C.The WW12FT255R is specifically designed to provide resistance and dissipate heat in high current applications, where the resistor must handle more than its rated power. The resistor is constructed using a process that results in a uniform current distribution throughout the resistor body, which means it can better handle higher power than other resistors.The working principle of the WW12FT255R through-hole resistor is simple. When current is applied to the resistor, a voltage drop occurs across it due to its resistance. This voltage drop causes resistive heating and a significant amount of the electric energy is dissipated as heat in the resistor. The amount of heat generated is determined by the application of Ohm’s Law, which states that power (in watts) is equal to the square of voltage (in volts) divided by resistance (in ohms).

Conclusion

The WW12FT255R through-hole resistor is a cost-effective and reliable solution for applications which require a low resistance and high power rating. The resistor is designed to handle more power than a standard resistor and is capable of dissipating heat efficiently for safe operation. Its application field primarily consists of switching power supplies, high voltage DC-DC converters, microwave communication circuitry, and automotive applications. The working principle of the resistor is governed by Ohm’s law, whereby electric energy is converted to heat in the presence of resistance.

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