15 % Variable Resistors 13

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Part	Manufacturer	Resistor Type	Mounting Type	Resistance	Rated Power Dissipation (P)	Maximum Operating Temperature	Tolerance	No. of Turns	Rated Temperature	Orientation (Actuator)	Technology	Shape (Package)	Law Of Resistance	Construction	No. of Terminals	Package Style (Meter)	Terminal Shape	Sub-Category	Minimum Operating Temperature	Temperature Coef (ppm/Cel)	Terminal Finish	Manufacturer Series	Operating Voltage	Additional Features	Type (Actuator)	Length (Package)	JESD-609 Code	Series	Diameter (Package)	Ganging Number	Angle Of Rotation
6639S-1102	Bourns	POTENTIOMETER	PANEL MOUNT	1000 ohm	1 W	125 Cel	15 %	1	70 Cel	HORIZONTAL	CONDUCTIVE PLASTIC	CIRCULAR PACKAGE	LINEAR	Bushing Mount	3	Panel Mount	TURRET	POTENTIOMETER	-40 Cel		GOLD OVER NICKEL				SHAFT	11.25 mm	e4		22.23 mm	1	340 deg
6539S-1502	Bourns	POTENTIOMETER	PANEL MOUNT	5000 ohm	1 W	125 Cel	15 %	1	70 Cel	HORIZONTAL	CONDUCTIVE PLASTIC	CIRCULAR PACKAGE	LINEAR	Servo Mount	3	Panel Mount	TURRET	POTENTIOMETER	1 Cel		Gold (Au) - with Nickel (Ni) barrier				SHAFT	12.7 mm	e4		22.23 mm	1	340 deg
6639S-301-502	Bourns	POTENTIOMETER	PANEL MOUNT	5000 ohm	1 W	125 Cel	15 %	1	70 Cel	HORIZONTAL	CONDUCTIVE PLASTIC	CIRCULAR PACKAGE	LINEAR	Cylindrical	3	Panel Mount	BINDING POST	POTENTIOMETER	-40 Cel	500	GOLD OVER NICKEL			PRECISION	SHAFT	11.25 mm	e4		22.23 mm	1	340 deg
6639S-1103	Bourns	POTENTIOMETER	PANEL MOUNT	10000 ohm	1 W	125 Cel	15 %	1	70 Cel	HORIZONTAL	CONDUCTIVE PLASTIC	CIRCULAR PACKAGE	LINEAR	Bushing Mount	3	Panel Mount	TURRET	POTENTIOMETER	-40 Cel		GOLD OVER NICKEL				SHAFT	11.25 mm	e4		22.23 mm	1	340 deg
6539S-1103	Bourns	POTENTIOMETER	PANEL MOUNT	10000 ohm	1 W	125 Cel	15 %	1	70 Cel	HORIZONTAL	CONDUCTIVE PLASTIC	CIRCULAR PACKAGE	LINEAR	Servo Mount	3	Panel Mount	TURRET	POTENTIOMETER	1 Cel		Gold (Au) - with Nickel (Ni) barrier				SHAFT	12.7 mm	e4		22.23 mm	1	340 deg
6639S-1203	Bourns	POTENTIOMETER	PANEL MOUNT	20000 ohm	1 W	125 Cel	15 %	1	70 Cel	HORIZONTAL	CONDUCTIVE PLASTIC	CIRCULAR PACKAGE	LINEAR	Bushing Mount	3	Panel Mount	TURRET	POTENTIOMETER	-40 Cel		GOLD OVER NICKEL				SHAFT	11.25 mm	e4		22.23 mm	1	340 deg
PDA241-HRT02-503B0	Bourns	POTENTIOMETER		50000 ohm	.5 W	70 Cel	15 %				CARBON	CYLINDRICAL PACKAGE		Round		Panel Mount		POTENTIOMETER	-10 Cel				500 V			12.8 mm			24.2 mm		300 deg
PDA241-SRT02-503B0	Bourns	POTENTIOMETER		50000 ohm	.5 W	70 Cel	15 %				CARBON	CYLINDRICAL PACKAGE		Round		Panel Mount		POTENTIOMETER	-10 Cel			PDA24	500 V			12.8 mm		PDA24	24.2 mm		300 deg
6639S-1503	Bourns	POTENTIOMETER	PANEL MOUNT	50000 ohm	1 W	125 Cel	15 %	1	70 Cel	HORIZONTAL	CONDUCTIVE PLASTIC		LINEAR	Bushing Mount	3	Panel Mount	TURRET	Variable Resistors	-40 Cel		GOLD OVER NICKEL				SHAFT	11.25 mm	e4		22.23 mm	1	340 deg
6639S-1502	Bourns	POTENTIOMETER	PANEL MOUNT	5000 ohm	1 W	125 Cel	15 %	1	70 Cel	HORIZONTAL	CONDUCTIVE PLASTIC	CIRCULAR PACKAGE	LINEAR	Bushing Mount	3	Panel Mount	TURRET	POTENTIOMETER	-40 Cel		GOLD OVER NICKEL				SHAFT	11.25 mm	e4		22.23 mm	1	340 deg
PDA241-HRT02-105A2	Bourns	POTENTIOMETER		1000000 ohm	.25 W	70 Cel	15 %				CARBON	CYLINDRICAL PACKAGE		Round		Panel Mount		POTENTIOMETER	-10 Cel			PDA24	250 V			12.8 mm		PDA24	24.2 mm		300 deg
6539S-1102	Bourns	POTENTIOMETER	PANEL MOUNT	1000 ohm	1 W	125 Cel	15 %	1	70 Cel	HORIZONTAL	CONDUCTIVE PLASTIC	CIRCULAR PACKAGE	LINEAR	Servo Mount	3	Panel Mount	TURRET	POTENTIOMETER	1 Cel		Gold (Au) - with Nickel (Ni) barrier				SHAFT	12.7 mm	e4		22.23 mm	1	340 deg
6639S-301-103	Bourns	POTENTIOMETER	PANEL MOUNT	10000 ohm	1 W	125 Cel	15 %	1	70 Cel	HORIZONTAL	CONDUCTIVE PLASTIC	CIRCULAR PACKAGE	LINEAR	Cylindrical	3	Panel Mount	BINDING POST	POTENTIOMETER	-40 Cel	500	GOLD OVER NICKEL			PRECISION	SHAFT	11.25 mm	e4		22.23 mm	1	340 deg

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.