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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GF063P1-B202K


Potentiometer: mounting; single turn; 2kΩ; 500mW; ±20%; linear
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Tocos 1049
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AUD 0.5704
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T7RYA502KT20


Trimmer Resistors - Through Hole 1/4" ROUND 502
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Vishay 187
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AUD 4.92
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3310C-125-503L


Potentiometers 9mm 50Kohms Single Cup
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Bourns 187
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AUD 6.16
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3329W-1-202


Trimmer Resistors - Through Hole 1/4"RND 2KOHMS 10% 0.5WATTS
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Bourns 187
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AUD 6.9038
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73JA50K


Precision Potentiometers 50K Ohm 5% 2W 10 Turn 6.35mm
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Honeywell 187
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AUD 176.4552
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Hot 3296X-1-500LF


Trimmer Resistors - Through Hole 3/8IN 50 OHMS Sealed Horizontal Adjust
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Bourns 187
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AUD 1.3238
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3386F-1-101


Trimmer Resistors - Through Hole 3/8"SQ 100OHMS 10% 0.5WATTS
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Bourns 186
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AUD 1.7075
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3386H-1-104TLF


Trimmer Resistors - Through Hole 38" 100Kohms 10% 0.5Watts Square
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Bourns 186
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AUD 1.7403
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3386P-1-200LF


Bourns Trimmer Resistors - Through Hole 38" 20ohms 10% 0.5Watts Square
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Bourns 173
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AUD 1.0475
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PTD901-2015K-A503


50k Ohm 1 Gang Logarithmic Panel Mount Potentiometer None 1.0 Kierros Carbon 0.025W, 1/40W PC Pins, Board Locks
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Bourns 151
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AUD 1.691
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