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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3310H-003-102L


Potentiometers 1Kohms slotted dual w/switch
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Bourns 123
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AUD 11.903
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409HS-1K


Trimmer Resistors - Through Hole WH LNG KNOB HZ 1K
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TE Connectivity 122
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AUD 1.3154
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PV36P502C01B00


Trimmer Resistors - Through Hole 5Kohms 10mm Square 25turn
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Murata 122
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AUD 2.3462
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PDA241-HRT02-504A2


Potentiometers 15% TR Audio 500K Ohms PLN Shaft
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Bourns 122
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AUD 2.8075
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3352H-1-204LF


Trimmer Resistors - Through Hole 3/8"round 200Kohms 0.5watt 20%
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Bourns 122
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AUD 3.3462
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3299Y-1-500LF


Trimmer Resistors - Through Hole 50ohms Standoffs Vertical Adjust 3/8"
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Bourns 120
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AUD 2.2657
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RK0971110Z4L


30V ±20% 50mW 10kΩ Plugin Variable Resistors/Potentiometers ROHS
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ALPS 111
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AUD 1.379
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3386F-1-204TLF


200 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Finger Adjustment
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Bourns 75
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AUD 1.7403
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3500S-2-103L


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 10.0 Kierros Wirewound 2W Solder Lug
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Bourns 44
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AUD 97.6373
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P16NM223MAB15


Potentiometers P16 N 22K 20% A BO e3
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Vishay 0
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AUD 29.3881
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