Potentiometers, Trimmers & Rheostats

A potentiometer, trimmer, and rheostat are all three types of resistors that are adjustable. They are used to control the electric current by varying the resistance in the circuit. A potentiometer is an adjustable three-terminal resistor with a sliding contact (wiper) that moves across a resistive element to change resistance in a circuit. They are used in audio controls, light dimmers, and other applications that require adjustable resistance in the circuit. A trimmer is a miniature version of a potentiometer, and it’s used to make fine adjustments in electronics circuits. It can be used for voltage and current adjustments, and for tuning circuits for maximum performance. A rheostat is an adjustable two-terminal rotor, and it’s used to control the current in a circuit. It’s often used to control the speed of a motor or other electrical device.
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3751H-1-102L


1k Ohm 1 Gang Linear Servo Mount Potentiometer None 10.0 Kierros Hybritron® 1W Solder Turret
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Bourns 11
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AUD 300.4806
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RHS1R0E


1 Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Wirewound 25W Solder Lug
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Ohmite 11
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AUD 326.8149
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RRS5R0E


Rheostats 500watt 5ohm 1450V Std Shaft
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Ohmite 11
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AUD 365.3328
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PT6KH252A2020


Potentiometer: mounting; single turn, vertical; 2.5kO; 100mW; ±20%
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Amphenol 10
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AUD 0.3427
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G32AT-B101


Potentiometer: mounting; single turn; 100Ω; 125mW; SMD; ±20%
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Tocos 10
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AUD 0.5287
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MFP1424


Switch Slide Top Slide 0.35A 30VDC 10000Cycles PC Pins Thru-Hole
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Knitter-Switch 10
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AUD 1.609
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3299Y-1-105LF


Trimmer Resistors - Through Hole 1Mohms Standoffs Vertical Adjust 3/8"
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Bourns 10
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AUD 2.2657
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PTD904-2020K-A203


Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 10
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AUD 2.8239
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PTR901-1015F-B203


Bourns Potentiometers 20K LINEAR
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Bourns 10
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AUD 3.0866
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6674S-1-102


Bourns Precision Potentiometers 1K 51mm 1Turn Bushing Mnt
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Bourns 8
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AUD 337.3716
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