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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T63XB105KT20


Trimmer Resistors - Through Hole 1/4"SQ H/ADJ 1M
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Vishay 95
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AUD 3.6607
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3269W-1-101


Trimmer Resistors - SMD 1/4" 100ohms 10% Vertical Adjust
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Bourns 95
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AUD 5.5
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3059P-1-103LF


10 kOhms 1W PC Pins Chassis Mount Trimmer Potentiometer Cermet 22.0 Turn Side Adjustment
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Bourns 95
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AUD 9.219
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RV30YN-20S-0B102


Potentiometer: shaft; 1kΩ; 1W; ±10%; 6mm; carbon; 1kV; -10÷85°C; 280°
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Tocos 95
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AUD 11.0393
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RV30YN-20S-0B103


Potentiometer: shaft; 10kΩ; 1W; ±10%; 6mm; carbon; 1kV; -10÷85°C
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Tocos 95
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AUD 11.6
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284TBCF104A26A1


Precision Potentiometers Bush 7.5mm 100KOhm 1/4-32 Thd 20mm shft
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CTS 95
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AUD 13.0286
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3262X-1-201LF


Trimmer Resistors - Through Hole 1/4" 200ohms 10% Square Cermet Sealed
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Bourns 95
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AUD 15.5623
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53C2250K


Potentiometers 250K Ohm 10% 2W 6.35mm
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Honeywell 95
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AUD 16.2748
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3299P-1-102LF


Trimmer Resistors - Through Hole 1Kohms Standoffs Horizontal Adjust
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Bourns 75
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AUD 2.619
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78PR200LF


Trimmer Resistors - Through Hole 200 10% 1-1/4"MULTITURN
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TT Electronics 73
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AUD 4.9587
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