D25K4K5

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The adjustable power resistor, or D25K4K5, is a device that is used to regulate or control the amount of current that flows from one circuit to another. It is commonly used in applications where precise and repeatable resistance values are required. The D25K4K5 adjustable power resistor is designed to be highly accurate and adjustable over a range of resistances between 6kΩ and 10kΩ.

The D25K4K5 is based on a sand-filled, moulded thermoplastic housing. Inside the housing is a hollow core containing a conductive element, such as graphite or metal, which can be adjusted to provide a precise amount of resistance. The hollow core also contains a spring contact that assists in maintaining the adjustable level of current passing through the device.

The adjustable power resistor is based around a three terminal design. The first terminal is the power input, the second terminal is the power output, and the third terminal is the adjustment. By adjusting the third terminal, it is possible to adjust the resistance of the device in order to control the amount of current flowing from the power input to the power output.

The D25K4K5 also has an integrated thermistor, which allows the adjustable power resistor to respond to temperature changes. As the temperature increases, the resistance value decreases, and vice versa. This allows the adjustable power resistor to effectively regulate the current flowing from the power input to the power output. The thermistor can also be used as a temperature compensation circuit, which can help to ensure that the adjustable power resistor is not damaged by sudden changes in temperature.

The D25K4K5 can be used in a variety of applications, such as powering LED displays, controlling radio frequencies, and regulating voltage levels. It is often used in medical and industrial applications, where precise and repeatable resistance values are essential. The adjustable power resistor can also be used for current sensing applications, in which it acts as an overload protection device, as well as for voltage regulation in power supplies.

In conclusion, the D25K4K5 adjustable power resistor is a versatile and reliable device that can be used to regulate the current flow from one circuit to another. With its integrated thermistor, the adjustable power resistor can effectively respond to temperature changes and maintain precise and repeatable resistance values. It is an ideal choice for a variety of applications, such as controlling radio frequencies, voltage regulation, and current sensing.

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