250 ohm Variable Resistors 11

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Part	Manufacturer	Resistor Type	Mounting Type	Resistance	Rated Power Dissipation (P)	Maximum Operating Temperature	Tolerance	Diameter (Lead)	No. of Turns	Rated Temperature	Orientation (Actuator)	Technology	Shape (Package)	Law Of Resistance	Construction	Packing Method	No. of Terminals	Package Style (Meter)	Terminal Shape	Sub-Category	Minimum Operating Temperature	Temperature Coef (ppm/Cel)	Terminal Finish	Length (Lead)	Height (Package)	Manufacturer Series	Operating Voltage	Additional Features	Type (Actuator)	Length (Package)	JESD-609 Code	Diameter (Package)	Width (Package)	Ganging Number	Angle Of Rotation
RES250E	Ohmite Manufacturing	POTENTIOMETER	PANEL MOUNT	250 ohm	12.5 W		10 %		1		HORIZONTAL	WIRE WOUND	CIRCULAR PACKAGE	LINEAR	Open Core		3	Panel Mount	LUG	Variable Resistors									SHAFT	17.46 mm		22.23 mm		1	300 deg
RHS250E	Ohmite Manufacturing	POTENTIOMETER	PANEL MOUNT	250 ohm	25 W		10 %		1		HORIZONTAL	WIRE WOUND	CIRCULAR PACKAGE	LINEAR	Open Core		3	Panel Mount	LUG	Variable Resistors									SHAFT	34.93 mm		39.62 mm		1	300 deg
D12K250E	Ohmite Manufacturing	POTENTIOMETER	CHASSIS MOUNT	250 ohm	12 W	350 Cel	10 %			25 Cel		WIRE WOUND	TUBULAR PACKAGE	LINEAR	All-Welded		3	Chassis Mount	LUG	Variable Resistors		260					565 V	FLAME PROOF	SLIDE	44.4 mm		7.94 mm
D50K250E	Ohmite Manufacturing	POTENTIOMETER	CHASSIS MOUNT	250 ohm	50 W	350 Cel	10 %			25 Cel		WIRE WOUND	TUBULAR PACKAGE	LINEAR	All-Welded		3	Chassis Mount	LUG	Variable Resistors		260					1625 V	FLAME PROOF	SLIDE	101.6 mm		14.3 mm
RRS250E	Ohmite Manufacturing	POTENTIOMETER	PANEL MOUNT	250 ohm	500 W		10 %		1		HORIZONTAL	WIRE WOUND	CIRCULAR PACKAGE	LINEAR	Open Core		3	Panel Mount	LUG	Variable Resistors									SHAFT	53.98 mm		203.2 mm		1	325 deg
3386F-1-251LF	Bourns	TRIMMER	THROUGH HOLE MOUNT	250 ohm	.5 W	125 Cel	10 %		1	85 Cel	VERTICAL	CERMET	RECTANGULAR PACKAGE	LINEAR		TUBE	3		WIRE		-55 Cel		MATTE TIN						SCREW		e3
3852A-283-251AL	Bourns	POTENTIOMETER	PANEL MOUNT	250 ohm	2 W	125 Cel	10 %		1	70 Cel	HORIZONTAL	CERMET	CYLINDRICAL PACKAGE	LINEAR	Single Turn		3	Panel Mount	LUG	Variable Resistors	-1 Cel	150							SHAFT	6.35 mm		19.05 mm		1	250 deg
3386P-1-251TLF	Bourns	TRIMMER	THROUGH HOLE MOUNT	250 ohm	.5 W	125 Cel	10 %	.51 mm	1	85 Cel	VERTICAL	CERMET		LINEAR	Rectangular	TUBE	3	PCB Mount	WIRE		-55 Cel	100		5.97 mm	4.83 mm				KNOB	9.53 mm			9.53 mm	1	280 deg
392JA250	Honeywell Sensing And Control	POTENTIOMETER	THROUGH HOLE MOUNT	250 ohm	.5 W	120 Cel	10 %		1		VERTICAL	CONDUCTIVE PLASTIC	CIRCULAR PACKAGE	LINEAR			3		WIRE		-40 Cel								SHAFT					1
RA20NASD251A	Honeywell Sensing And Control	POTENTIOMETER	PANEL MOUNT	250 ohm	2 W	105 Cel	10 %		1		HORIZONTAL	WIRE WOUND	CIRCULAR PACKAGE	LINEAR			3		LUG		-55 Cel					RA20			SHAFT					1
RV4NAYSD251A	Honeywell Sensing And Control	POTENTIOMETER	PANEL MOUNT	250 ohm	2 W	120 Cel	10 %		1		HORIZONTAL	CONDUCTIVE PLASTIC	CIRCULAR PACKAGE	LINEAR			3		LUG		-55 Cel					RV4			SHAFT					1

Variable Resistors

Variable resistors, also known as potentiometers or rheostats, are electrical components that can adjust the resistance in a circuit. They typically consist of a resistive element and a movable wiper, which can be adjusted by a knob or a slider. By changing the position of the wiper, the resistance between two terminals of the resistor can be varied, allowing for precise control of the amount of current flowing through the circuit.

Variable resistors are commonly used in a variety of electronic applications, such as audio equipment, lighting controls, and motor speed controls. They can also be used as voltage dividers, where the resistance value can be adjusted to achieve a desired output voltage. Variable resistors come in various shapes and sizes, including rotary potentiometers, slide potentiometers, trimmers, and preset resistors.

One of the main advantages of variable resistors is their versatility, as they can be used to control a wide range of electrical parameters, such as voltage, current, and power. They can also be used for calibration and testing purposes, as they allow for precise adjustment of circuit parameters. However, variable resistors also have some limitations, such as limited lifetime due to wear and tear, and the potential for noise and instability at higher resistance values.