D25K15R

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Adjustable Power Resistor: D25K15R Application Field and Working Principle

Power resistors are widely used in a variety of electronics circuits and their applications may range from very basic to extremely complex. A power resistor is a type of single resistor designed to be durable and efficient at dissipating energy. Generally speaking, the higher the power of a resistor, the more current a resistor can handle before it overheats or becomes unstable. The D25K15R is a popular adjustable power resistor used in a range of applications.

D25K15R Product Description

The D25K15R is a 15 ohm adjustable power resistor that measures 25mm in height, 35mm in length, and 10mm in width. It features a screw terminal for easy adjustment and insulated cover for insulation. This model has a rated dissipative power of 5W and a rated load of 0.5A. It is an ideal choice for adjustable DC power supplies, audio amplifiers, and other electronics applications.

D25K15R Application Field

The D25K15R adjustable resistor can be used in a variety of applications, including audio amplifiers, power supplies, circuit protection, and voltage measurement. It can also be used in battery chargers, motor controls, and other electronic equipment requiring an adjustable resistance. In addition, the D25K15R adjustable resistor can be used in applications where heat dissipation is important, such as power converters, temperature controls, and motor drivers.

Working Principle

The D25K15R adjustable resistor works by decreasing the current through the resistor when its resistance is increased. A voltage is applied to the resistor and the current passing through it is limited by the resistance. The amount of current is determined by the Ohm’s law, which states that the current is directly proportional to the voltage divided by the resistance. When the resistance is increased, the current is decreased, thus reducing the dissipation power.

The D25K15R adjustable resistor also allows for fine adjustments of resistance. This is done by turning the knob to adjust the resistance. As the resistance is changed, the current also changes accordingly. This makes the D25K15R adjustable resistor ideal for applications where precise adjustments are needed, such as audio amplifiers, circuit protection, and voltage measurement.

In conclusion, the D25K15R adjustable power resistor is a popular and versatile model for applications that require a durable and efficient resistance. It can be used in a range of applications, including audio amplifiers, power supplies, circuit protection, and voltage measurement. The adjustable resistance of the D25K15R allows for precise adjustments, making it an ideal choice for these applications.

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