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Through Hole Resistors

Through hole resistors, also known as thru-hole resistors, are electrical components used to create electrical circuits and provide electrical resistance. The resistance of a through hole resistor is determined by its physical size, material composition, and ohmic value. Through hole resistors are usually cylindrical in shape, with two ends connecting directly to the component’s leads. Most through hole resistors are composed of a ceramic and metal-oxide layer, but there are a variety of materials used in their construction.

SFR2500005239FR500 Application Field and Working Principle

SFR2500005239FR500 are available in a wide range of sizes and ohmic values, from as small as 1/16 watt up to 10 watt. They are commonly used for discrete circuitry, such as analog and digital circuits, RF applications, and high-temperature scopes, requiring a wide temperature range. Standard resistance values for SFR2500005239FR500 are 5Ω, 10Ω, 1KΩ, 2KΩ, 4KΩ, and 10KΩ.

The working principle of SFR2500005239FR500 is based on electrical resistance, which is determined by the material composition, size, and shape of the component. Electrical current passing through the resistor will be impeded by the resistor’s physical characteristics, resulting in a voltage drop across the resistor. As the resistance increases, the voltage drop will increase, proportionally affecting the current.

In addition to its resistance, the design of the SFR2500005239FR500 also determines its temperature coefficient, also known as its heat coefficient of resistance (TCR). The lower the temperature coefficient, the less the resistance will change when the resistor is exposed to different temperatures. This is an important factor for high-temperature applications, as the resistor must be able to maintain its electrical characteristics within a certain temperature range. The temperature coefficient of SFR2500005239FR500 is typically between -400 and +900 parts per million per degree Celsius (ppm/°C).

SFR2500005239FR500 are also designed to minimize inductance, capacitance, and other parasitic effects. By utilizing a special body design, the SFR2500005239FR500 works to reduce the effect of these parasitic elements, allowing the resistor to perform better in RF and high-current applications.

The SFR2500005239FR500 is also designed to minimize voltage derating. This is important for high-voltage applications, as it ensures the resistor is not exposed to too high of a voltage, which can cause burnout or damage.

In general, the SFR2500005239FR500 is a robust and reliable resistor, commonly used for a wide range of applications. Its small size and wide resistance range make it an ideal choice for discrete circuitry, RF, and high-temperature applications.

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