D12K400

Series:	Dividohm®210
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	400 Ohms
Power (Watts):	12W
Tolerance:	±10%
Adjustment Type:	Slide
Diameter:	0.313" OD, 0.187" ID (7.94mm x 4.76mm)
Length:	1.750" (44.45mm)
Mounting Type:	Chassis Mount
Termination:	Solder Lug
Package / Case:	Radial, 3 Lead, Tubular

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Introduction

Adjustable Power Resistors, otherwise known as Variable Power Resistor, are devices used in power electronic systems to control the amount of energy or current used when a circuit is in operation. These components are designed to convert electrical power into a manageable form that can be used in a variety of electronic applications. The D12K400 series of adjustable power resistors is specifically designed to provide excellent performance and reliability even in the most critical applications.

Application Field

The D12K400 series of adjustable power resistors has a wide range of applications in power electronic systems. These include:

• DC-DC Converters: Adjustable power resistors are used in the control of DC-DC converters to reduce the voltage from the outputs of the converter to usable levels that are suitable for the application.
• Switched-Mode Power Supplies (SMPS): The adjustable power resistors are used in the control of SMPS to adjust the output voltage range in order to meet the required precision.
• Power Conditioners: Adjustable power resistors are used in power conditioners to regulate the output voltage and current to the desired level.
• Battery Charging Systems: These adjustable resistors are used to control the charging of batteries to prevent overcharging or discharging.
• Power Distribution Applications: The adjustable power resistors are used to modulate the output voltage and current distribution in order to meet the requirements of the application.

In addition, the adjustable power resistors are also used in applications such as motor control, lighting control, and process control.

Working Principle

The adjustable power resistors are designed to provide a precise amount of electrical resistance in order to regulate the current and voltage in a circuit. The resistors use a specialized type of metal-film resistor to provide a variable resistance value.The resistors are typically designed with two adjustable terminals, which can be adjusted using a voltage or a current source. The voltage or current source is used to adjust the resistance value of the resistor, and this can range from zero to its maximum value.The adjustable power resistors can be used to control the current or voltage in a circuit by connecting the adjustable terminals to a voltage or current source, and then adjusting the output from the source. This will vary the resistance value of the resistor, thus adjusting the current or voltage in the circuit.

Conclusion

The D12K400 series of adjustable power resistors are designed to provide excellent performance and reliability for a wide range of power electronic applications. These devices are used to control the current and voltage in a circuit by connecting the adjustable terminals to a voltage or current source and then adjusting the output from the source. By doing so, the resistance value of the resistor can be adjusted, thus regulating the current and voltage in the circuit and providing the desired performance.

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