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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R0141-2-50K


Potentiometer: mounting; single turn, horizontal; 50kO; 30mW; ±20%
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SR Passives 219
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AUD 0.3301
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3310Y-111-203L


20k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.25W, 1/4W PC Pins
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Bourns 218
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AUD 3.2015
Multiples of: 1

3009P-1-503


50 kOhms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 15.0 Turn Side Adjustment
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Bourns 218
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AUD 3.778
Multiples of: 100

72XWR5KLF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 5K ohm 10% Single Turn
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TT Electronics 218
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AUD 3.8619
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95A1D-B28-A13L


5k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 2W Solder Lug
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Bourns 218
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AUD 8.9642
Multiples of: 1

82A2A-B28-A13A13L


Res Cermet POT 5K/5K Ohm 10% 1W 1(Elec)/1(Mech)Turn 6.35mm (48.27 X 15.88 X 22.85mm) J-Hook Panel Mount
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Bourns 218
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AUD 47.9312
Multiples of: 1

91A1A-B28-A20L


Potentiometers 5/8" SQUARE ST PANEL CTRL
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Bourns 216
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AUD 7.0761
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67WR20KLFTB


BI Technologies TT Electronics Trimmer Resistors - Through Hole 12W 20K Ohms 10% MULTI TURN
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TT Electronics 212
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AUD 1.4284
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93A1A-B28-A22L


Potentiometers 250K 10% 5/8" SQ ST
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Bourns 207
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AUD 7.1746
Multiples of: 1

P230-2QC19BR250K


Potentiometers 12W 250K Ohms 20% 24mm ROTARY POT
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TT Electronics 198
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AUD 4.7201
Multiples of: 1

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