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Trimmer Potentiometers:

2,613 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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3128528

RoHS

Each
1+
kr 8.130
10+
kr 5.830
50+
kr 5.260
100+
kr 4.420
200+
kr 4.340
More Pricing...
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
-
3128531

RoHS

Each
1+
kr 14.550
10+
kr 8.990
50+
kr 7.140
100+
kr 6.580
200+
kr 5.910
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
-
3128468

RoHS

Each
1+
kr 5.230
50+
kr 3.380
100+
kr 3.190
250+
kr 2.950
500+
kr 2.930
More Pricing...
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
25kohm
Through Hole
1Turns
PT-10 Series
150mW
± 20%
± 300ppm/°C
10 mm Round
-
10.3mm
-
6mm
-25°C
70°C
-
2328620

RoHS

Date/Lot Code

Each
1+
kr 20.110
5+
kr 17.860
10+
kr 15.500
20+
kr 14.310
40+
kr 13.130
More Pricing...
Min: 1 / Mult: 1
Multi Turn
Cermet
Side Adjust
2.5kohm
Through Hole
15Turns
3006 Series
750mW
± 10%
± 100ppm/°C
3/4 Inch Rectangular
-
19.05mm
4.83mm
6.35mm
-55°C
125°C
-
2328592

RoHS

Each
1+
kr 16.440
5+
kr 15.290
10+
kr 14.020
20+
kr 12.760
40+
kr 11.730
More Pricing...
Min: 1 / Mult: 1
Single Turn
Cermet
Side Adjust
47kohm
Through Hole
1Turns
3386 Series
500mW
± 10%
± 100ppm/°C
3/8 Inch Square
-
9.53mm
4.83mm
9.53mm
-55°C
125°C
-
2328546

RoHS

Each
1+
kr 12.300
5+
kr 8.750
10+
kr 7.620
20+
kr 7.000
40+
kr 6.210
More Pricing...
Min: 1 / Mult: 1
Single Turn
Cermet
Side Adjust
330ohm
Through Hole
1Turns
3386 Series
500mW
± 10%
± 100ppm/°C
3/8 Inch Square
-
9.53mm
4.83mm
9.53mm
-55°C
125°C
-
3128432

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 14.430
50+
kr 12.180
100+
kr 10.200
250+
kr 9.370
500+
kr 8.420
Min: 1 / Mult: 1
Single Turn
Cermet
Top Adjust
100kohm
Surface Mount
1Turns
PSC-10 Series
330mW
± 5%
± 100ppm/°C
10 mm Round
-
10.3mm
10.9mm
5.7mm
-40°C
90°C
-
9355219

RoHS

Each
1+
kr 18.510
5+
kr 17.130
10+
kr 15.630
20+
kr 14.370
40+
kr 13.220
More Pricing...
Min: 1 / Mult: 1
Single Turn
Cermet
Side Adjust
20kohm
Through Hole
1Turns
3386 Series
500mW
± 10%
± 100ppm/°C
3/8 Inch Square
-
9.53mm
9.53mm
4.83mm
-55°C
125°C
-
2113963

RoHS

Each
1+
kr 23.070
5+
kr 17.030
10+
kr 15.500
20+
kr 13.840
40+
kr 12.420
More Pricing...
Min: 1 / Mult: 1
Single Turn
Cermet
Side Adjust
20kohm
Through Hole
1Turns
3352 Series
500mW
± 20%
± 100ppm/°C
3/8 Inch Round
-
-
-
-
-55°C
125°C
-
2980058

RoHS

Each
1+
kr 40.220
10+
kr 33.950
50+
kr 32.530
Min: 1 / Mult: 1
Multi Turn
RuO2 Cermet
Top Adjust
100kohm
Surface Mount
11Turns
SM-3 Series
125mW
± 20%
± 100ppm/°C
3.9 mm Square
SMD
3.9mm
3.2mm
3.9mm
-65°C
150°C
-
2980607

RoHS

Each
1+
kr 15.020
10+
kr 12.540
50+
kr 9.290
100+
kr 8.590
200+
kr 7.880
Min: 1 / Mult: 1
Single Turn
RuO2 Cermet
Top Adjust
50ohm
Surface Mount
1Turns
ST-4 Series
250mW
± 20%
± 250ppm/°C
Rectangular
SMD
5mm
4.5mm
2.3mm
-55°C
125°C
-
2329285

RoHS

Each
1+
kr 29.340
5+
kr 17.270
10+
kr 15.500
20+
kr 13.600
40+
kr 11.760
More Pricing...
Min: 1 / Mult: 1
Single Turn
Cermet
Top Adjust
2.5kohm
Through Hole
1Turns
3329 Series
500mW
± 10%
± 100ppm/°C
1/4 Inch Round
-
-
-
4.57mm
-55°C
150°C
-
2321835

RoHS

Each
1+
kr 29.570
5+
kr 27.210
10+
kr 24.840
20+
kr 22.830
40+
kr 20.940
More Pricing...
Min: 1 / Mult: 1
Single Turn
Cermet
Top Adjust
1Mohm
Through Hole
1Turns
3329 Series
500mW
± 10%
± 100ppm/°C
1/4 Inch Round
-
-
-
4.57mm
-55°C
150°C
-
2979972

RoHS

Each
1+
kr 38.560
10+
kr 32.530
50+
kr 28.860
100+
kr 25.080
200+
kr 24.600
Min: 1 / Mult: 1
Multi Turn
RuO2 Cermet
Top Adjust
100kohm
Surface Mount
5Turns
SM-31 Series
125mW
± 20%
± 100ppm/°C
3.9 mm Square
SMD
3.9mm
3.2mm
3.9mm
-65°C
150°C
-
3128614

RoHS

Each
1+
kr 11.710
50+
kr 9.690
100+
kr 8.280
250+
kr 7.560
500+
kr 6.610
Min: 1 / Mult: 1
Single Turn
Cermet
Top Adjust
1Mohm
Through Hole
1Turns
PTC-10 Series
330mW
± 20%
-500ppm/°C to +300ppm/°C
10 mm Round
-
10.3mm
-
6mm
-40°C
90°C
-
3128612

RoHS

Each
1+
kr 15.380
50+
kr 9.000
100+
kr 8.100
250+
kr 7.450
500+
kr 6.680
Min: 1 / Mult: 1
Single Turn
Cermet
Top Adjust
100kohm
Through Hole
1Turns
PTC-10 Series
330mW
± 5%
± 100ppm/°C
10 mm Round
-
10.3mm
-
6mm
-40°C
90°C
-
2857050

RoHS

Each
1+
kr 46.130
10+
kr 38.920
50+
kr 38.330
100+
kr 32.650
200+
kr 30.760
More Pricing...
Min: 1 / Mult: 1
Multi Turn
RuO2 Cermet
Side Adjust
50ohm
Surface Mount
14Turns
ST-5 Series
250mW
± 10%
± 100ppm/°C
6 mm Square
SMD
6mm
4.3mm
6.75mm
-55°C
120°C
-
9609822

RoHS

Each
1+
kr 42.470
5+
kr 32.770
10+
kr 28.030
25+
kr 22.360
50+
kr 18.930
More Pricing...
Min: 1 / Mult: 1
Single Turn
Cermet
Side Adjust
20kohm
Through Hole
1Turns
63 Series
500mW
± 10%
± 100ppm/°C
3/8 Inch Square
SIP
9.52mm
4.83mm
10.03mm
-55°C
125°C
MIL-R-22097
2328584

RoHS

Each
1+
kr 16.440
5+
kr 15.170
10+
kr 13.910
20+
kr 12.760
40+
kr 11.730
More Pricing...
Min: 1 / Mult: 1
Single Turn
Cermet
Side Adjust
2.2Mohm
Through Hole
1Turns
3386 Series
500mW
± 10%
± 100ppm/°C
3/8 Inch Square
-
9.53mm
4.83mm
9.53mm
-55°C
125°C
-
3128439

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 14.900
50+
kr 8.680
100+
kr 7.810
250+
kr 7.000
500+
kr 6.270
Min: 1 / Mult: 1
Single Turn
Cermet
Top Adjust
1Mohm
Surface Mount
1Turns
PSC-10 Series
330mW
± 10%
± 100ppm/°C
10 mm Round
-
10.3mm
10.9mm
5.7mm
-40°C
90°C
-
2980604

RoHS

Each
1+
kr 15.020
10+
kr 12.660
50+
kr 9.360
100+
kr 8.660
200+
kr 7.950
Min: 1 / Mult: 1
Single Turn
RuO2 Cermet
Top Adjust
200ohm
Surface Mount
1Turns
ST-4 Series
250mW
± 20%
± 100ppm/°C
Rectangular
SMD
5mm
4.5mm
2.3mm
-55°C
125°C
-
3128439RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
kr 7.810
250+
kr 7.000
500+
kr 6.270
Min: 100 / Mult: 1
Single Turn
Cermet
Top Adjust
1Mohm
Surface Mount
1Turns
PSC-10 Series
330mW
± 10%
± 100ppm/°C
10 mm Round
-
10.3mm
10.9mm
5.7mm
-40°C
90°C
-
3128426RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
kr 7.720
250+
kr 7.110
500+
kr 6.350
1000+
kr 5.700
Min: 100 / Mult: 1
Single Turn
Carbon
Top Adjust
10kohm
Surface Mount
1Turns
PS-6 Series
100mW
± 30%
± 1500ppm/°C
6 mm Round
-
6.3mm
-
4.4mm
-40°C
85°C
-
3128426

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 14.670
50+
kr 8.580
100+
kr 7.720
250+
kr 7.110
500+
kr 6.350
More Pricing...
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
10kohm
Surface Mount
1Turns
PS-6 Series
100mW
± 30%
± 1500ppm/°C
6 mm Round
-
6.3mm
-
4.4mm
-40°C
85°C
-
9608931

RoHS

Date/Lot Code

Each
1+
kr 30.000
5+
kr 27.590
10+
kr 25.180
25+
kr 23.450
50+
kr 21.730
More Pricing...
Min: 1 / Mult: 1
Multi Turn
Cermet
Side Adjust
20kohm
Through Hole
18Turns
43 Series
750mW
± 10%
± 100ppm/°C
3/4 Inch Rectangular
-
19mm
4.8mm
6.4mm
-55°C
125°C
MIL-R-22097
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