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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P16NM222MAB15


2.2k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 1W Solder Lug
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Vishay 30
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AUD 28.9448
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7286R500L.25


500 Ohm 1 Gang Linear Panel Mount Potentiometer None 10.0 Kierros Wirewound 2W Solder Turret
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TT Electronics 30
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AUD 34.4284
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3059L-1-200MLF


TRIMMER-1 1/4in RECT MT CER
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Bourns 30
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AUD 36.8479
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RV4NAYSJ102A


Potentiometers 1K ohm 10% 28.45mm
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ETI Systems 30
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AUD 42.5224
Multiples of: 1

3290H-1-202


Bourns Trimmer Resistors - Through Hole 38" 2Kohms Sealed Horizontal Adjust 5%
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Bourns 30
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AUD 42.5881
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CLU1041E


Res POT 100K Ohm 2W 1(Elec)/1(Mech)Turn 6.35mm (31.78 X 29.4mm) Solder Lug Panel Mount
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Ohmite 30
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AUD 45.5224
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XB5AD912R4K7


Potentiometers Head and potentiometer R4K7
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Schneider 30
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AUD 76.3334
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JT22-120-500


Precision Potentiometers 120 degree electrical angle, 5V DC, sensing single turn optical contactless, 22mm diameter, wire leads
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Nidec Copal 30
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AUD 131.619
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FVR25W-100R


Potentiometer: shaft; single turn; 100O; 25W; ±10%; 6mm; wirewound
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SR Passives 25
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AUD 79.5075
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3260W-1-103


10 kOhms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Wirewound 11.0 Turn Top Adjustment
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Bourns 14
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AUD 44.3448
Multiples of: 1

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