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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SM-42X103


Trimmer Resistors - SMD 10 KW 5mm SMD 11 turn, Gull-wing, top-adjustment
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Nidec Copal 190
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AUD 3.6143
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3329P-1-503


Trimmer Resistors - Through Hole 1/4"RND 50KOHMS 10% 0.5WATTS
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Bourns 190
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AUD 3.7016
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M64W254KB40


Trimmer Resistors - Through Hole 3/8"SQ 250Kohms Multi Turn Cermet
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Vishay 190
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AUD 4.7692
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M63X501KB40


Trimmer Resistors - Through Hole 3/8"SQ 500ohms 10% Single Turn Cermet
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Vishay 190
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AUD 5.2115
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91R1A-R22-B17L


Bourns Potentiometers 25K 20% 58" SQ ST
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Bourns 190
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AUD 7.7698
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RJ26FW103


Bourns Trimmer Resistors - Through Hole 10K 14" 10% MultiTurn Cermet
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Bourns 190
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AUD 8.573
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3104601738


Potentiometer: shaft; single turn; 10O; 4W; ±20%; 6mm; wirewound
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TT Electronics 190
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AUD 13.7333
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534B1102JCB


Precision Potentiometers
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Vishay 190
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AUD 21.5508
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73JA50K


Precision Potentiometers 50K Ohm 5% 2W 10 Turn 6.35mm
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Honeywell 190
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AUD 157.0082
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CA14ZV12,5-47K A2020


Potentiometer: mounting; single turn, horizontal; 47kO; 250mW
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ACP 189
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AUD 0.3156
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