Trimmer Potentiometers:

51 Products Found
We have a wide range of single-turn and multi-turn trimmers with panel mount, surface mount, or through-hole options.

How do you adjust a trimmer potentiometer?

A trimmer resistor is a resistor that can be adjusted or “trimmed” to an exact resistance by turning a screw. This type of resistor is often used in circuits because it allows for adjustments in circuit performance. The adjustment is made by using a tool, such as a screwdriver, to turn the dial or knob on the device.

Trimmers are normally manufactured as single-turn or multi-turn components and may be top-adjusted or side-adjusted. Multi-turn trimmers can be used with automated test equipment (ATE) and are also available with anti-rotation features that prevent the adjustment from being changed accidentally.

Trimmer resistors are usually used in applications where adjustments need to be made during production, or where the effect of manufacturing tolerances needs to be compensated for during the operational life of a product.

Types of trimmer resistors

Single-turn Trimmer Resistors have a screw that turns about 300 degrees in either direction to adjust the resistance value. This type of resistor has a resistance range of 10Ω - 10MΩ and can be adjusted in increments as fine as 0.01Ω. It can handle up to 2.75W of power.

Multiturn Trimmer Resistors work like single-turn trimmers, except they have multiple turns—usually five and an adjustment range of 10Ω -5 MΩ. They can also be adjusted in fine increments, but they can only handle 1W of power, making them less powerful than single-turn trimmers.

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Trimmer Type
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Track Resistance
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No. of Turns
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Trimmer Shape / Size
Product Length
Product Width
Product Height
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3128546

RoHS

Each
1+
RM4.060
10+
RM3.470
50+
RM3.050
100+
RM2.890
200+
RM2.680
More Pricing...
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
500kohm
Through Hole
1Turns
PT-15 Series
250mW
± 20%
-500ppm/°C to +300ppm/°C
15 mm Round
15mm
-
7mm
-25°C
70°C
3128534

RoHS

Each
1+
RM3.110
10+
RM2.890
25+
RM2.730
50+
RM2.390
100+
RM2.270
More Pricing...
Min: 1 / Mult: 1
Single Turn
Carbon
Side Adjust
47kohm
Through Hole
1Turns
PT-15 Series
250mW
± 20%
± 300ppm/°C
15 mm Round
15mm
6mm
17.5mm
-25°C
70°C
3128619

RoHS

Each
1+
RM9.640
10+
RM8.140
50+
RM7.130
100+
RM6.670
200+
RM6.080
More Pricing...
Min: 1 / Mult: 1
Single Turn
Cermet
Top Adjust
10kohm
Through Hole
1Turns
PTC-15 Series
500mW
± 20%
± 100ppm/°C
10 mm Round
15mm
-
7mm
-40°C
90°C
3128522

RoHS

Each
1+
RM3.560
10+
RM3.040
50+
RM2.690
100+
RM2.550
200+
RM2.420
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
100kohm
Through Hole
1Turns
PT-15 Series
250mW
± 20%
± 300ppm/°C
15 mm Round
15mm
-
7mm
-25°C
70°C
3128415RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
RM5.120
400+
RM4.420
1200+
RM4.250
2800+
RM3.810
Min: 100 / Mult: 1
Single Turn
Carbon
Top Adjust
10kohm
Surface Mount
1Turns
PC-15 Series
250mW
± 30%
± 1500ppm/°C
15 mm Round
15mm
-
6.5mm
-40°C
85°C
3128415

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM6.800
10+
RM5.810
100+
RM5.120
400+
RM4.420
1200+
RM4.250
More Pricing...
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
10kohm
Surface Mount
1Turns
PC-15 Series
250mW
± 30%
± 1500ppm/°C
15 mm Round
15mm
-
6.5mm
-40°C
85°C
3128557

RoHS

Each
1+
RM3.160
10+
RM2.660
50+
RM2.460
100+
RM2.390
200+
RM2.090
More Pricing...
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
4.7kohm
Through Hole
1Turns
PT-15 Series
250mW
± 20%
± 300ppm/°C
15 mm Round
15mm
-
7mm
-25°C
70°C
3128383

RoHS

Each
1+
RM12.870
10+
RM11.010
50+
RM10.370
100+
RM9.730
200+
RM8.960
More Pricing...
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
100kohm
Surface Mount
1Turns
N-15 Series
150mW
± 30%
± 300ppm/°C
15 mm Square
15mm
15mm
4.4mm
-40°C
120°C
3128625

RoHS

Each
1+
RM9.230
10+
RM7.810
25+
RM7.220
50+
RM6.800
100+
RM6.400
More Pricing...
Min: 1 / Mult: 1
Single Turn
Cermet
Top Adjust
47kohm
Through Hole
1Turns
PTC-15 Series
500mW
± 20%
± 100ppm/°C
10 mm Round
15mm
-
7mm
-40°C
90°C
3128547

RoHS

Each
1+
RM3.040
10+
RM2.400
50+
RM2.270
100+
RM2.140
200+
RM2.100
More Pricing...
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
500kohm
Through Hole
1Turns
PT-15 Series
250mW
± 20%
-500ppm/°C to +300ppm/°C
15 mm Round
15mm
-
7mm
-25°C
70°C
3128528

RoHS

Each
1+
RM3.270
10+
RM2.840
50+
RM2.530
100+
RM2.390
200+
RM2.220
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
25kohm
Through Hole
1Turns
PT-15 Series
250mW
± 20%
± 300ppm/°C
15 mm Round
15mm
-
7mm
-25°C
70°C
3128542

RoHS

Each
1+
RM4.400
10+
RM3.740
50+
RM3.500
100+
RM3.150
200+
RM2.940
More Pricing...
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
50kohm
Through Hole
1Turns
PT-15 Series
250mW
± 20%
± 300ppm/°C
15 mm Round
15mm
-
7mm
-25°C
70°C
3128537

RoHS

Each
1+
RM3.080
10+
RM2.360
100+
RM2.220
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
10kohm
Through Hole
1Turns
PT-15 Series
250mW
± 20%
± 300ppm/°C
15 mm Round
15mm
-
7mm
-25°C
70°C
3128531

RoHS

Each
1+
RM4.750
10+
RM4.340
50+
RM4.000
100+
RM3.690
200+
RM3.470
More Pricing...
Min: 1 / Mult: 1
Single Turn
Carbon
Side Adjust
10kohm
Through Hole
1Turns
PT-15 Series
250mW
± 20%
± 300ppm/°C
15 mm Round
15mm
6mm
17.5mm
-25°C
70°C
3128558

RoHS

Each
1+
RM4.920
10+
RM4.280
50+
RM3.950
100+
RM3.670
200+
RM3.480
More Pricing...
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
50kohm
Through Hole
1Turns
PT-15 Series
250mW
± 20%
± 300ppm/°C
15 mm Round
15mm
-
7mm
-25°C
70°C
3128620

RoHS

Each
1+
RM10.470
10+
RM8.050
50+
RM7.640
100+
RM7.220
200+
RM7.080
More Pricing...
Min: 1 / Mult: 1
Single Turn
Cermet
Side Adjust
10kohm
Through Hole
1Turns
PTC-15 Series
500mW
± 20%
± 100ppm/°C
10 mm Round
15mm
6mm
17.5mm
-40°C
90°C
3128626

RoHS

Each
1+
RM5.540
10+
RM4.610
50+
RM4.170
100+
RM3.830
200+
RM3.670
More Pricing...
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
10kohm
Through Hole
1Turns
ST-15 Series
250mW
± 30%
-
15 mm Round
15mm
-
7mm
-25°C
70°C
3128535

RoHS

Each
1+
RM4.640
10+
RM3.970
50+
RM3.730
100+
RM3.410
200+
RM3.290
More Pricing...
Min: 1 / Mult: 1
Single Turn
Carbon
Side Adjust
1Mohm
Through Hole
1Turns
PT-15 Series
250mW
± 10%
-500ppm/°C to +300ppm/°C
15 mm Round
15mm
6mm
19.5mm
-25°C
70°C
3128538

RoHS

Each
1+
RM4.370
10+
RM3.770
50+
RM3.510
100+
RM3.240
200+
RM3.160
More Pricing...
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
10kohm
Through Hole
1Turns
PT-15 Series
120mW
± 10%
± 300ppm/°C
15 mm Round
15mm
-
7mm
-25°C
70°C
3128521

RoHS

Each
1+
RM2.560
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
5kohm
Through Hole
1Turns
PT-15 Series
250mW
± 10%
± 300ppm/°C
15 mm Round
15mm
-
7mm
-25°C
70°C
3128523

RoHS

Each
1+
RM4.280
10+
RM3.600
50+
RM3.280
100+
RM3.040
200+
RM2.920
More Pricing...
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
100kohm
Through Hole
1Turns
PT-15 Series
250mW
± 20%
± 300ppm/°C
15 mm Round
15mm
-
7.5mm
-25°C
70°C
3128524

RoHS

Each
1+
RM3.610
10+
RM2.580
50+
RM2.420
100+
RM2.370
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
470kohm
Through Hole
1Turns
PT-15 Series
250mW
± 20%
-500ppm/°C to +300ppm/°C
15 mm Round
15mm
-
7.5mm
-25°C
70°C
3128382

RoHS

Each
1+
RM8.910
10+
RM8.720
50+
RM8.260
100+
RM7.800
200+
RM7.470
More Pricing...
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
10kohm
Surface Mount
1Turns
N-15 Series
150mW
± 30%
± 300ppm/°C
15 mm Square
15mm
15mm
4.4mm
-40°C
120°C
3128548

RoHS

Each
1+
RM3.380
10+
RM2.590
100+
RM2.340
500+
RM2.330
1000+
RM2.290
More Pricing...
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
10kohm
Through Hole
1Turns
PT-15 Series
250mW
± 20%
± 300ppm/°C
15 mm Round
15mm
-
7mm
-25°C
70°C
3128559

RoHS

Each
1+
RM4.840
10+
RM4.120
50+
RM3.850
100+
RM3.470
200+
RM3.240
More Pricing...
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
100kohm
Through Hole
1Turns
PT-15 Series
250mW
± 10%
± 300ppm/°C
15 mm Round
15mm
-
7mm
-25°C
70°C
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