Trimmer Potentiometers:

2,453 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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ComparePrice ForQuantity
3128528

RoHS

Each
1+
$1.010
($1.1615)
10+
$0.869
($0.9994)
50+
$0.761
($0.8752)
100+
$0.713
($0.820)
200+
$0.632
($0.7268)
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+
$1.670
($1.9205)
10+
$1.390
($1.5985)
50+
$1.230
($1.4145)
100+
$1.130
($1.2995)
200+
$1.060
($1.219)
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+
$0.751
($0.8636)
50+
$0.599
($0.6888)
100+
$0.562
($0.6463)
250+
$0.540
($0.621)
500+
$0.519
($0.5968)
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
-
2329285

RoHS

Each
1+
$4.910
($5.6465)
5+
$4.160
($4.784)
10+
$3.390
($3.8985)
20+
$3.210
($3.6915)
40+
$3.020
($3.473)
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
-
2859796

RoHS

Each
1+
$12.010
($13.8115)
10+
$10.300
($11.845)
50+
$9.450
($10.8675)
100+
$8.600
($9.890)
200+
$7.640
($8.786)
More Pricing...
Min: 1 / Mult: 1
Multi Turn
RuO2 Cermet
Top Adjust
100kohm
Surface Mount
3Turns
ST-7 Series
250mW
± 20%
± 100ppm/°C
6 mm Square
SMD
6.4mm
6.1mm
3.4mm
-55°C
125°C
-
2328546

RoHS

Each
1+
$2.460
($2.829)
5+
$2.180
($2.507)
10+
$1.900
($2.185)
20+
$1.830
($2.1045)
40+
$1.760
($2.024)
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
-
2113963

RoHS

Each
1+
$5.750
($6.6125)
10+
$5.040
($5.796)
25+
$4.500
($5.175)
50+
$4.230
($4.8645)
100+
$4.150
($4.7725)
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
-
9609822

RoHS

Each
1+
$8.790
($10.1085)
5+
$8.190
($9.4185)
10+
$7.570
($8.7055)
25+
$6.840
($7.866)
50+
$6.090
($7.0035)
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
9355219

RoHS

Each
1+
$3.010
($3.4615)
5+
$2.830
($3.2545)
10+
$2.650
($3.0475)
20+
$2.480
($2.852)
40+
$2.330
($2.6795)
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
-
2328584

RoHS

Each
1+
$2.710
($3.1165)
10+
$2.170
($2.4955)
100+
$1.940
($2.231)
500+
$1.340
($1.541)
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
-
2328620

RoHS

Each
1+
$3.210
($3.6915)
5+
$2.820
($3.243)
10+
$2.430
($2.7945)
20+
$2.380
($2.737)
40+
$2.300
($2.645)
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+
$2.650
($3.0475)
5+
$2.330
($2.6795)
10+
$2.020
($2.323)
20+
$1.970
($2.2655)
40+
$1.900
($2.185)
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
-
2321835

RoHS

Each
1+
$4.170
($4.7955)
5+
$3.790
($4.3585)
10+
$3.410
($3.9215)
20+
$3.240
($3.726)
40+
$3.060
($3.519)
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
-
9608931

RoHS

Each
1+
$9.630
($11.0745)
5+
$8.680
($9.982)
10+
$7.730
($8.8895)
25+
$7.230
($8.3145)
50+
$6.710
($7.7165)
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
2980058

RoHS

Each
1+
$6.570
($7.5555)
10+
$4.820
($5.543)
50+
$4.680
($5.382)
100+
$4.530
($5.2095)
200+
$4.040
($4.646)
More Pricing...
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
-
2980228

RoHS

Each
1+
$5.840
($6.716)
10+
$4.290
($4.9335)
25+
$4.200
($4.830)
50+
$4.130
($4.7495)
100+
$4.020
($4.623)
More Pricing...
Min: 1 / Mult: 1
Multi Turn
RuO2 Cermet
Top Adjust
100kohm
Surface Mount
5Turns
SM-43 Series
250mW
± 10%
± 100ppm/°C
5.1 mm Square
SMD
4.8mm
3.5mm
5.1mm
-65°C
150°C
-
2979019

RoHS

Each
1+
$2.400
($2.760)
5+
$2.110
($2.4265)
10+
$1.810
($2.0815)
25+
$1.770
($2.0355)
50+
$1.720
($1.978)
More Pricing...
Min: 1 / Mult: 1
Multi Turn
RuO2 Cermet
Side Adjust
50kohm
Through Hole
18Turns
CT-94 Series
500mW
± 10%
± 100ppm/°C
9 mm Square
-
9.6mm
4.8mm
9.6mm
-55°C
125°C
-
2980060

RoHS

Each
1+
$6.570
($7.5555)
10+
$4.820
($5.543)
50+
$4.680
($5.382)
100+
$4.530
($5.2095)
200+
$3.930
($4.5195)
More Pricing...
Min: 1 / Mult: 1
Multi Turn
RuO2 Cermet
Top Adjust
200ohm
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
-
2979030

RoHS

Each
1+
$3.410
($3.9215)
5+
$3.100
($3.565)
10+
$2.780
($3.197)
25+
$2.660
($3.059)
50+
$2.530
($2.9095)
More Pricing...
Min: 1 / Mult: 1
Multi Turn
RuO2 Cermet
Side Adjust
100kohm
Through Hole
18Turns
CT-94 Series
500mW
± 10%
± 100ppm/°C
9 mm Square
-
9.6mm
4.8mm
9.6mm
-55°C
125°C
-
2980609

RoHS

Each
1+
$2.750
($3.1625)
10+
$2.100
($2.415)
50+
$2.010
($2.3115)
100+
$1.920
($2.208)
200+
$1.740
($2.001)
More Pricing...
Min: 1 / Mult: 1
Single Turn
RuO2 Cermet
Top Adjust
500kohm
Surface Mount
1Turns
ST-4 Series
250mW
± 20%
± 100ppm/°C
Rectangular
SMD
5mm
4.5mm
2.3mm
-55°C
125°C
-
2857050

RoHS

Each
1+
$7.520
($8.648)
10+
$5.230
($6.0145)
50+
$5.070
($5.8305)
100+
$4.890
($5.6235)
200+
$4.450
($5.1175)
More Pricing...
Min: 1 / Mult: 1
Multi Turn
RuO2 Cermet
Side Adjust
50kohm
Surface Mount
14Turns
ST-5 Series
250mW
± 10%
± 100ppm/°C
6 mm Square
SMD
6mm
4.3mm
6.75mm
-55°C
120°C
-
2980604

RoHS

Each
1+
$3.060
($3.519)
10+
$2.320
($2.668)
50+
$2.240
($2.576)
100+
$2.140
($2.461)
200+
$1.940
($2.231)
More Pricing...
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
-
2978880

RoHS

Each
1+
$1.990
($2.2885)
5+
$1.800
($2.070)
10+
$1.630
($1.8745)
25+
$1.530
($1.7595)
50+
$1.440
($1.656)
More Pricing...
Min: 1 / Mult: 1
Single Turn
RuO2 Cermet
Top Adjust
100kohm
Through Hole
1Turns
CT-6 Series
500mW
± 10%
± 100ppm/°C
7 mm Square
-
7mm
7mm
5.8mm
-55°C
120°C
-
2980607

RoHS

Each
1+
$2.750
($3.1625)
10+
$2.100
($2.415)
50+
$2.010
($2.3115)
100+
$1.920
($2.208)
200+
$1.740
($2.001)
More Pricing...
Min: 1 / Mult: 1
Single Turn
RuO2 Cermet
Top Adjust
50kohm
Surface Mount
1Turns
ST-4 Series
250mW
± 20%
± 250ppm/°C
Rectangular
SMD
5mm
4.5mm
2.3mm
-55°C
125°C
-
2980236

RoHS

Each
1+
$5.930
($6.8195)
10+
$4.350
($5.0025)
25+
$3.740
($4.301)
50+
$3.110
($3.5765)
100+
$2.960
($3.404)
Min: 1 / Mult: 1
Multi Turn
RuO2 Cermet
Top Adjust
500kohm
Surface Mount
5Turns
SM-43 Series
250mW
± 10%
± 100ppm/°C
5.1 mm Square
SMD
4.8mm
3.5mm
5.1mm
-65°C
150°C
-
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