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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Hot 3296X-1-103LF


Trimmer Resistors - Through Hole 3/8" 10Kohms Sealed Horizontal Adjust
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Bourns Availability : 2598
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USD 0.466

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T93YA101KT20


100 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 21.0 Turn Top Adjustment
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Vishay Availability : 2041
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USD 1.4

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RK09L112003P


Potentiometers 20 KOhms 20%
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ALPS Availability : 1381
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USD 0.8422

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ST-32ETA501


500 Ohms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Nidec Copal Availability : 1376
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USD 0.753

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P160KNP-0EC15A250K


Potentiometers 16mm ROTARY PNL POT
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TT Electronics Availability : 1376
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USD 1.0571

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PT15NV15-472A2020-S


Trimmer Resistors - Through Hole 15MM 4.7K OHM Steel Leads
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Amphenol Availability : 1375
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USD 0.4119

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N6L50T0N-303-3030


Trimmer Resistors - Through Hole 6mm trim potentiomtr tht- adjust position
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Amphenol Availability : 1371
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USD 0.2242

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PT15NH06-501A2020


Trimmer Resistors - Through Hole 500ohms 15mm Rnd
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Amphenol Availability : 1370
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USD 0.481

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PV36Z103C01B00


Trimmer Resistors - Through Hole 10Kohms 10mm Square 25turn
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Murata Availability : 1369
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USD 0.7469

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PV36W504C01B00


500 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Top Adjustment
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Murata Availability : 1367
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USD 0.8206

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PT15NV18-253A2020


Trimmer Resistors - Through Hole 25Kohms 15mm Rnd
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Amphenol Availability : 1366
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USD 0.4884

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PVG5H102C03B00


Trimmer Resistors - SMD 1Kohms 5mm 11turn Side Adjust
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Bourns Availability : 1366
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USD 2.3184

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3306F-1-253


Trimmer Resistors - Through Hole 25K 25% 6mm Single Turn
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Bourns Availability : 1365
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USD 0.2464

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PS15-10PC1BR5K


Slide Potentiometers 10K Ohms 20% SLIDE POTENTIOMETER
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TT Electronics Availability : 1365
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USD 0.8184

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3296X-1-103RLF


Bourns Trimmer Resistors - Through Hole 38" 10Kohms Sealed Horizontal Adjust
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Bourns Availability : 1352
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USD 1.562

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67XR2KLF


Trimmer Resistors - Through Hole 3/8" Squ 2K 10%
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TT Electronics Availability : 1292
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USD 0.8921

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M64Y103KB40


Trimmer Resistors - Through Hole 3/8"SQ 10Kohms Multi Turn Cermet
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Vishay Availability : 1278
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USD 1.736

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ST5ETW103


Res Cermet Trimmer 10K Ohm 10% 1/4W 11(Elec)/14(Mech)Turn 1.6mm (6 X 6.3 X 7.75mm) Gull Wing SMD T/R
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Nidec Copal Availability : 453
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USD 2.0235

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PV36Y503C01B00


Trimmer Resistors - Through Hole 50Kohms 10mm Square 25turn
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Murata Availability : 0
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USD 1.155

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PT10MV10-502A2020-PM-S


Trimmer Resistors - Through Hole 10mm carbon through hole potentiometer Vertical adjust resistive value 5K Ohm linear taper tolerance 20%
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USD 0.2882

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