Series:	Dividohm®210
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	800 Ohms
Power (Watts):	25W
Tolerance:	±10%
Adjustment Type:	Slide
Diameter:	0.563" OD, 0.313" ID (14.30mm x 7.94mm)
Length:	2.000" (50.80mm)
Mounting Type:	Chassis Mount
Termination:	Solder Lug
Package / Case:	Radial, 3 Lead, Tubular

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Adjustable Power Resistor: D25K800 Application Field and Working Principle

Power resistors, also known as adjustable power resistors, are designed for applications such as electronic power conversion, DC-DC conversion, and AC current limiting. In today’s industry, adjustable power resistors are commonly used in power converters. The D25K800 series is a type of adjustable power resistors that is gaining popularity due to its excellent electrical characteristics. In this article, we will discuss the application field and working principle of the D25K800 series.The D25K800 series is designed for use in harsh environments and high temperature applications, such as those found in the aviation and automotive fields. It offers excellent resistance to overload conditions, and is capable of providing up to 80W of power with long-term stability. Additionally, the series features a very fast turn-on/off time, up to 100kHz, and a total wiper travel of 0-100%.The application field of the D25K800 series covers wide range of applications such as DCDC converters, power components, and power tools, etc. In DCDC converters, the D25K800 allows for the adjustment of output voltage for different applications. This can be done by adjusting the resistance of the power resistor, and the adjustment range is usually from 0 to 200%. In power components and power tools, the D25K800 allows for the adjustment of current and voltage for proper operation.The working principle of D25K800 is based on its adjustable resistance. It consists of two resistive elements, the fixed series resistors and a wiper element. The wiper element is connected to a spindle, and when the spindle is rotated, the resistance of the elements varies accordingly. The resistance of the entire device can be adjusted from 0 to 200%.The key features of the D25K800 series make it suitable for a wide range of applications. Its fast turn-on/off time, resistance to overload conditions, and long-term stability makes it an ideal choice for harsh environment applications, such as those found in the aviation and automotive industry. Additionally, its adjustable resistance offers flexibility for applications where precise control of current and voltage is required.

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Part Number	Manufacturer	Price	Quantity	Description