D50K2K5E

Series:	Dividohm®210
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	2.5 kOhms
Power (Watts):	50W
Tolerance:	±10%
Adjustment Type:	Slide
Diameter:	0.563" OD, 0.313" ID (14.30mm x 7.94mm)
Length:	4.000" (101.60mm)
Mounting Type:	Chassis Mount
Termination:	Solder Lug
Package / Case:	Radial, 3 Lead, Tubular

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Introduction to Adjustable Power Resistor

Adjustable power resistor is an important type of electronic components used in a wide variety of applications. It provides excellent electrical characteristics for controlling current flow, voltage levels, and power dissipation in circuits. The main purpose of using an adjustable power resistor is to adjust dynamic resistance across a circuit. This adjustment can include setting up bias currents, controlling voltage drop, and managing power dissipation.The most basic type of adjustable power resistor is the D50K2K5E. It is a base-isolation-type, adjustable, two-terminal, thick-film, ceramic resistor. D50K2K5E is a very common type of adjustable power resistor and its construction is mostly identical to other standard resistors, but with an adjustable resistor element that can be adjusted for resistance value.

Construction and Working Principle of D50K2K5E Adjustable Power Resistor

The D50K2K5E consists of a ceramic substrate, a resistive material, and a resistive element. The ceramic substrate is made of an inert material, which acts as a thermal insulator and provides a high temperature breakdown tolerance. The resistive material, usually a thick film or paste-like material, is applied onto the substrate as a conductive element and used to determine the desired resistance value. The resistive element is generally made of a metal layer and is placed on the substrate in order to adjust the resistance value.When a voltage is applied across the terminals of the D50K2K5E, the resistive element will expand in response to the voltage, causing a change in resistance. The amount of resistance change depends on the amount of voltage applied and the number of turns of the adjuster. As the adjuster turns, either clockwise or counter-clockwise, the resistance changes. The resistance of the D50K2K5E can be accurately adjusted to a set point and will remain constant even with varying levels of voltage.

Applications of D50K2K5E

The D50K2K5E adjustable power resistor is used in a variety of applications, including power supplies, electronic circuits, and distribution systems. It is primarily used for power management and voltage regulation. Some typical applications are as follows:

• Voltage regulation in power supplies and bridges
• Providing stable output voltage in DC/DC converters
• Impedance matching for equalizing transmission lines
• Ground loop elimination (GLE) and Earthing resistance adjustments
• Current control and limiting in high power circuits

The D50K2K5E resistor can also be used to provide over-voltage and over-current protection in DC/DC converters. It is often used in power factor correction circuits to provide regulation for high load applications. It can also be used in automotive applications such as fuel injection and air intake control.

Conclusion

The D50K2K5E adjustable power resistor is a versatile and reliable electronic component used in a variety of applications. It is a base-isolation-type, adjustable, two-terminal, thick-film, ceramic resistor with an adjustable element that can be adjusted for resistance value. It is used for power management and voltage regulation, and is also used for ground loop elimination, impedance matching, current control, and eliminating over-voltage and over-current protection in DC/DC converters. It is an essential component for any modern electronic system.

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