SFR16S0004990FR500 Resistors

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Through Hole Resistors are employed in a variety of electronic circuits to provide a fixed resistance element for impedance matching and current limiting operations. SFR16S0004990FR500 is one example of such a resistor and its application field and working principle is explored in this article.

Features and Characteristics of SFR16S0004990FR500

The SFR16S0004990FR500 is a through hole-mounted resistor, meaning it is a type of resistor designed to be screwed into a circuit board in order to provide a fixed resistance element.

The resistor features an epoxy-concrete construction, with a cylindrical shape measuring 16.2mm in diameter and 16.2mm in height. Its maximum power dissipation rating is limited to 0.5W, while its maximum working voltage can range from 32V to 500V. The range of resistance provided by the resistor is limited to 10 Ohm, though other resistance values can be achieved through the use of multiple resistors connected in parallel.

As with all resistors, the SFR16S0004990FR500 features a 100-level temperature coefficient of resistance (TCR). TCR is the measure of how much the resistance value of the resistor is altered over time as its temperature increases or decreases.

Application Fields for the SFR16S0004990FR500

The SFR16S0004990FR500 is ideal for use in a variety of electronic applications, primarily those that involve impedance matching and current limiting. It can be used in audio and signal conditioning circuits and as a circuit element in power supply and control circuits.

Due to its epoxy concrete construction, the SFR16S0004990FR500 is also suited for more rugged applications such as those found in power distribution systems or automotive electronics.

The SFR16S0004990FR500\'s versatility also makes it suitable for many military applications, including signal conditioning and feedback control.

Working Principle of the SFR16S0004990FR500

The working principle of the SFR16S0004990FR500 or any other resistor is based on the same basic principle of electrical resistance. In an electric circuit, the resistor opposes the flow of electric current, resulting in a voltage drop or heat dissipation. As the resistance of the resistor increases, the voltage drop (or heat dissipation) increases.

At the core of this basic principle is the fact that the resistance of a resistor is proportional to the length and cross-sectional area of its conductive element (i.e. the wire). By varying the length and cross-sectional area of the conductor, the resistance can be altered accordingly.

In the case of the SFR16S0004990FR500, the resistor is designed to be screwed into the circuit board for electrical connection, which allows it to provide a fixed resistance element for impedance matching and current limiting. Its epoxy-concrete construction and cylindrical shape also ensures that it can withstand higher temperature and vibration levels than other types of resistors.

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