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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82B1D-B20-B15


Potentiometers PANEL CONTROL - 5/8" (16MM) ST-CP
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Bourns 48
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AUD 7.3507
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91A1A-B28-E20L


Potentiometers 100K 10% 58"SQ SINGLETURN
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Bourns 48
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AUD 7.5851
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H-65P-1


Potentiometer Tools & Fixings HW 3250L W X Unsealed
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Bourns 48
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AUD 9.4124
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CMU5001E


Res POT 50 Ohm 2W 1(Elec)/1(Mech)Turn 6.35mm (38.1 X 29.4mm) Solder Lug Panel Mount
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Ohmite 48
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AUD 10.4291
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3252W-1-503LF


50 kOhms 0.75W, 3/4W PC Pins Chassis Mount Trimmer Potentiometer Cermet 25.0 Turn Top Adjustment
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Bourns 48
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AUD 12.2806
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3252W-1-101LF


100 Ohms 0.75W, 3/4W PC Pins Chassis Mount Trimmer Potentiometer Cermet 25.0 Turn Top Adjustment
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Bourns 48
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AUD 21.306
Multiples of: 25

3292X-1-202LF


2 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Side Adjustment
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Bourns 48
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AUD 12.0507
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284TBBK104A26A1


Precision Potentiometers Bush 7.5mm 100KOhm 1/4-32 Thd 15mm shft
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CTS 48
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AUD 14.0701
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T9YA471KT20


Trimmer Resistors - Through Hole T9 YA 470U 10% TU e3
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Vishay 48
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AUD 15.0552
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3590S-6-201L


200 Ohm 1 Gang Linear Panel Mount Potentiometer None 10.0 Kierros Wirewound 2W Solder Lug
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Bourns 47
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AUD 16.2209
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