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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3312J-1-203E


20 kOhms 0.1W, 1/10W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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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 : 1758
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USD 1.54

Multiples of: 1

R16148-1A-2-B5K


Potentiometer: shaft; single turn; 5kO; 125mW; ±20%; THT; 6mm; metal
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SR Passives Availability : 1756
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USD 0.194

Multiples of: 1

PT15NV18-504A2020


Trimmer Resistors - Through Hole 500Kohms 15mm Rnd
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Amphenol Availability : 1756
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USD 0.4481

Multiples of: 1

3362P-1-222LF


Bourns Trimmer Resistors - Through Hole 14"SQ 2.2KOHMS 10% 0.5WATTS
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Bourns Availability : 1755
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USD 0.4235

Multiples of: 1

P092N-FC15AR50K


Potentiometers 1/40W 50K Ohms 20% 9mm ROTARY POT
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TT Electronics Availability : 1755
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USD 1.8052

Multiples of: 1

Hot RK09K1130ACL


Potentiometers 50 KOhms 30%
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ALPS Availability : 1754
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USD 0.3

Multiples of: 1

PT10MV10-151A2020


Trimmer Resistors - Through Hole 150ohms 10mm Rnd Top adj
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Amphenol Availability : 1754
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USD 0.363

Multiples of: 1

Hot 3224W-1-501E


500 Ohms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns Availability : 1754
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USD 0.8694

Multiples of: 1

PTV09A-2215S-A103


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 10 kohms 15 mm
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Bourns Availability : 1753
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USD 0.6446

Multiples of: 1

3312J-1-102E


Trimmer Resistors - SMD 1Kohm 2mm Single Turn Sealed
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Bourns Availability : 1753
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USD 1.43

Multiples of: 1

PTC10LH01-203A2020


Trimmer Resistors - Through Hole 20Kohms 10mm Rnd
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Amphenol Availability : 1752
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USD 0.7754

Multiples of: 1

CA9V 4K7


Potentiometer: mounting; single turn, horizontal; 4.7kO; 0.15W
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ACP Availability : 1748
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USD 0.1652

Multiples of: 1

SM-42TA502


5 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Side Adjustment
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Nidec Copal Availability : 1747
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USD 1.9356

Multiples of: 1

PT10LV10-251A2020


Trimmer Resistors - Through Hole 250ohms 10mm Rnd Top adj
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Amphenol Availability : 1746
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USD 0.3622

Multiples of: 1

PTV09A-4020U-B103


Res Carbon Film POT 10K Ohm 20% 0.05W(1/20W) 1(Elec)/1(Mech)Turns 6mm (11.4 X 12.5 X 23.8mm) Pin Bracket Mount/Through Hole
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Bourns Availability : 1746
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USD 0.4654

Multiples of: 100

PS30-10PB1B1K


Slide Potentiometers 1K ohm 20% 30mm Slide Potentiometer
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TT Electronics Availability : 1746
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USD 1.1907

Multiples of: 20

3314J-1-473E


Trimmer Resistors - SMD 4mm SQ 47K
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Bourns Availability : 1745
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USD 0.945

Multiples of: 1

PTC15LV02-103A2020


Trimmer Resistors - Through Hole
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Amphenol Availability : 1745
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USD 1.144

Multiples of: 1

Hot N6S25T0N-503-3030


Trimmer Resistors - Through Hole
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Amphenol Availability : 1743
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USD 0.021

Multiples of: 1

T73YP202KT20


Trimmer Resistors - Through Hole 1/4" SQ V/ADJ 2K
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Vishay Availability : 1741
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USD 0.7546

Multiples of: 1

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