D100K5R0E

Series:	Dividohm®210
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	5 Ohms
Power (Watts):	100W
Tolerance:	±10%
Adjustment Type:	Slide
Diameter:	0.752" OD, 0.500" ID (19.10mm x 12.70mm)
Length:	6.500" (165.10mm)
Mounting Type:	Chassis Mount
Termination:	Solder Lug
Package / Case:	Radial, 3 Lead, Tubular

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Adjustable Power Resistor

Adjustable power resistors are a type of resistor whose electrical characteristics can be changed or adjusted after installation. They are used for controlling the amount of current in a circuit or providing precise voltage drops in a circuit. The adjustable power resistor, also known as D100K5R0E, is a resistor used for power control applications.

Application Field

Adjustable power resistors are used in a variety of applications, from basic circuit voltage regulation to high-power applications such as automotive circuits and audio amplifiers. D100K5R0E resistors can be used for AC/DC motor control, controlling the speed of DC motors, and providing power to relays, as well as providing power to circuits that need precision voltage regulation. In automotive applications, these resistors are used in batteries, alternators, and starter motors for regulating voltage. Additionally, they are also used in combination with diodes, to set the voltage to the correct level. In audio systems, adjustable power resistors are used to provide feedback circuitry for pre-amplifiers, signal EQs, and audio limiters, in order to regulate the signal levels within the systems.

Working Principle

The adjustable power resistor works on the principle of ohmic resistance. When a voltage from the circuit is applied to the resistor, which has an adjustable resistance, the amount of current passing through the resistor is determined by the value of the resistor. The resistor can be adjusted to cover a range voltage and the maximum power of the resistor is determined by its power capacity rating. The adjustable power resistor consists of a housing, which is usually made of metal or ceramic. Inside the housing are two conductive plates, one of them is adjustable and the other is affixed. The adjustable plate is connected to a movable arm, which is connected to a shaft, which can be turned to adjust the resistance. A ratchet mechanism is used to lock the shaft in place so that it does not move unintentionally.The voltage across the resistor is determined by the value of the resistor and the amount of current passing through the resistor. For example, if the adjustable plate is adjusted to a high value, the voltage across the resistor will be low. Similarly, if the adjustable plate is adjusted to a low value, the voltage across the resistor will be high.

Conclusion

The adjustable power resistor, otherwise known as D100K5R0E, is a resistor used for power control applications. It is a very versatile component which can be used in many different applications, from basic voltage regulation to high-power automotive circuits. It works on the principle of ohmic resistance, where the resistance can be adjusted to provide the precise voltage drop required within the circuit.

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