About Potentiometers, Trimmers & Rheostats

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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3005P-1-501


Trimmer Resistors - Through Hole 500ohms 3/4inch Rectangular Cermet
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns Availability : 734
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USD 14.3125

Multiples of: 1

3386F-1-222LF


Bourns Trimmer Resistors - Through Hole 38" 2.2Kohms 10% 0.5Watts Square
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Bourns Availability : 733
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USD 0.7348

Multiples of: 1

PTD903-2015P-A203


Potentiometers 20K AUDIO
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Bourns Availability : 733
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USD 1.5938

Multiples of: 1

G43AT-B102


Potentiometer: mounting; single turn; 1kΩ; 250mW; SMD; ±20%; linear
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Tocos Availability : 732
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USD 0.3948

Multiples of: 1

PTD901-1015F-B203


Bourns Potentiometers 20K LINEAR
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Bourns Availability : 732
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USD 0.935

Multiples of: 162

PDB181-GTR01-254B0


Potentiometers 250KOHMS KNURLED SNG SOLDER LUGS
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Bourns Availability : 732
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USD 1.254

Multiples of: 1

T18102KT10


Trimmer Resistors - Through Hole 3/4" H/ADJ 1K
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Vishay Availability : 732
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USD 1.551

Multiples of: 1

PTH901-130K-504A3


Potentiometers PANEL CONTROL - 9MM-ST-CARBON
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Bourns Availability : 732
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USD 2.3496

Multiples of: 1

PTV09A-4030F-B503


Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns Availability : 731
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USD 0.5533

Multiples of: 1

G43SAT1-B101


Potentiometer: mounting; single turn; 100Ω; 250mW; SMD; ±20%
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Tocos Availability : 731
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USD 0.623

Multiples of: 1

1801WSMD-50K


Potentiometer: mounting; vertical, multiturn; 50kO; 250mW; SMD
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SR Passives Availability : 731
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USD 1.33

Multiples of: 1

PDB12-H4301-503AF


Bourns Potentiometers 50Kohm 20% 30mm Audio Flat Shaft
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Bourns Availability : 730
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USD 0.5137

Multiples of: 1

3362M-1-504LF


500 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns Availability : 730
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USD 0.6435

Multiples of: 1

3852A-282-502AL


5k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 2W Solder Lug
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Bourns Availability : 730
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USD 7.337

Multiples of: 1

RV16AF-20-15S1-A50K-LA


Potentiometers Audio Screwdvr 50K PC Mount
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Alpha Taiwan Availability : 729
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USD 0.737

Multiples of: 1

67YR100KLF


Trimmer Resistors - Through Hole 3/8" Squ 100K 10%
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TT Electronics Availability : 729
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USD 0.9328

Multiples of: 1

67WR10LFTB


Trimmer Resistors - Through Hole 12W 10 Ohms 20% MULTI TURN
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TT Electronics Availability : 729
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USD 1.0329

Multiples of: 1

PTA4544-2015DPA103


Slide Potentiometers 15MM SHAFT NO DET 45MM STRK DUAL AUD
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Bourns Availability : 729
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USD 1.133

Multiples of: 1

RV170SF-10-20K-A14


Potentiometers Audio W/SW Knurled 10K Solder Lugs
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Alpha Taiwan Availability : 729
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USD 1.2116

Multiples of: 1

3386P-1-102


1 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns Availability : 718
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USD 1.166

Multiples of: 1

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