Trimmer Potentiometers:

2,506 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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2978880

RoHS

Each
1+
Rs.97.190
5+
Rs.88.610
10+
Rs.80.010
25+
Rs.75.030
50+
Rs.70.060
More Pricing...
Min: 1 / Mult: 1
Single Turn
RuO2 Cermet
Top Adjust
100ohm
Through Hole
1Turns
CT-6 Series
500mW
± 10%
± 100ppm/°C
7 mm Square
-
7mm
7mm
5.8mm
-55°C
120°C
-
2980236

RoHS

Each
1+
Rs.291.740
10+
Rs.214.430
25+
Rs.199.190
50+
Rs.183.940
100+
Rs.168.710
More Pricing...
Min: 1 / Mult: 1
Multi Turn
RuO2 Cermet
Top Adjust
500ohm
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
-
2980232

RoHS

Each
1+
Rs.291.760
10+
Rs.214.450
25+
Rs.209.950
50+
Rs.205.440
100+
Rs.200.930
More Pricing...
Min: 1 / Mult: 1
Multi Turn
RuO2 Cermet
Top Adjust
2kohm
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
-
2980607

RoHS

Each
1+
Rs.164.160
10+
Rs.117.260
50+
Rs.103.630
100+
Rs.90.010
200+
Rs.88.220
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
-
2979033

RoHS

Each
1+
Rs.166.730
5+
Rs.146.940
10+
Rs.127.140
25+
Rs.123.410
50+
Rs.119.670
More Pricing...
Min: 1 / Mult: 1
Multi Turn
RuO2 Cermet
Side Adjust
100ohm
Through Hole
18Turns
CT-94 Series
500mW
± 10%
± 100ppm/°C
9 mm Square
-
9.6mm
4.8mm
9.6mm
-55°C
125°C
-
2979004

RoHS

Each
1+
Rs.118.110
5+
Rs.103.850
10+
Rs.89.590
25+
Rs.87.080
50+
Rs.84.580
More Pricing...
Min: 1 / Mult: 1
Multi Turn
RuO2 Cermet
Top Adjust
200ohm
Through Hole
18Turns
CT-94 Series
500mW
± 10%
± 100ppm/°C
9 mm Square
SIP
9.6mm
4.8mm
9.6mm
-55°C
125°C
-
2979972

RoHS

Each
1+
Rs.308.430
10+
Rs.270.150
50+
Rs.227.120
100+
Rs.222.110
200+
Rs.211.980
Min: 1 / Mult: 1
Multi Turn
RuO2 Cermet
Top Adjust
100ohm
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
-
3128434RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
Rs.120.610
250+
Rs.108.550
500+
Rs.65.110
Min: 100 / Mult: 1
Single Turn
Cermet
Top Adjust
50ohm
Surface Mount
1Turns
PSC-10 Series
330mW
± 5%
± 100ppm/°C
10 mm Round
-
10.3mm
10.9mm
5.7mm
-40°C
90°C
-
3128436RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
Rs.85.100
250+
Rs.75.610
500+
Rs.69.580
Min: 100 / Mult: 1
Single Turn
Cermet
Top Adjust
50ohm
Surface Mount
1Turns
PSC-10 Series
330mW
± 10%
± 100ppm/°C
10 mm Round
-
10.3mm
10.9mm
5.7mm
-40°C
90°C
-
3128434

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
Rs.140.710
50+
Rs.130.660
100+
Rs.120.610
250+
Rs.108.550
500+
Rs.65.110
Min: 1 / Mult: 1
Single Turn
Cermet
Top Adjust
50ohm
Surface Mount
1Turns
PSC-10 Series
330mW
± 5%
± 100ppm/°C
10 mm Round
-
10.3mm
10.9mm
5.7mm
-40°C
90°C
-
3128431RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
1+
Rs.121.260
Min: 100 / Mult: 1
Single Turn
Cermet
Top Adjust
10kohm
Surface Mount
1Turns
PSC-10 Series
330mW
± 5%
± 100ppm/°C
10 mm Round
-
10.3mm
10.9mm
5.7mm
-40°C
90°C
-
3128614

RoHS

Each
1+
Rs.63.430
50+
Rs.60.420
100+
Rs.57.400
250+
Rs.51.710
500+
Rs.50.700
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
-
3128432

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
Rs.136.240
50+
Rs.127.310
100+
Rs.117.260
250+
Rs.105.530
500+
Rs.94.030
Min: 1 / Mult: 1
Single Turn
Cermet
Top Adjust
100ohm
Surface Mount
1Turns
PSC-10 Series
330mW
± 5%
± 100ppm/°C
10 mm Round
-
10.3mm
10.9mm
5.7mm
-40°C
90°C
-
3128431

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
Rs.121.260
Min: 1 / Mult: 1
Single Turn
Cermet
Top Adjust
10kohm
Surface Mount
1Turns
PSC-10 Series
330mW
± 5%
± 100ppm/°C
10 mm Round
-
10.3mm
10.9mm
5.7mm
-40°C
90°C
-
3128439RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
Rs.79.630
250+
Rs.70.690
500+
Rs.65.000
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+
Rs.62.030
250+
Rs.57.160
500+
Rs.53.710
1000+
Rs.50.070
5000+
Rs.47.390
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
-
3128612

RoHS

Each
1+
Rs.93.360
50+
Rs.77.620
100+
Rs.70.250
250+
Rs.62.320
500+
Rs.57.290
Min: 1 / Mult: 1
Single Turn
Cermet
Top Adjust
100ohm
Through Hole
1Turns
PTC-10 Series
330mW
± 5%
± 100ppm/°C
10 mm Round
-
10.3mm
-
6mm
-40°C
90°C
-
3128436

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
Rs.112.790
50+
Rs.94.140
100+
Rs.85.100
250+
Rs.75.610
500+
Rs.69.580
Min: 1 / Mult: 1
Single Turn
Cermet
Top Adjust
50ohm
Surface Mount
1Turns
PSC-10 Series
330mW
± 10%
± 100ppm/°C
10 mm Round
-
10.3mm
10.9mm
5.7mm
-40°C
90°C
-
3128439

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
Rs.105.980
50+
Rs.88.110
100+
Rs.79.630
250+
Rs.70.690
500+
Rs.65.000
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
-
3128426

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
Rs.83.170
50+
Rs.69.350
100+
Rs.62.030
250+
Rs.57.160
500+
Rs.53.710
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
-
3128602

RoHS

Each
1+
Rs.99.550
50+
Rs.74.710
100+
Rs.65.790
250+
Rs.61.970
500+
Rs.58.970
More Pricing...
Min: 1 / Mult: 1
Single Turn
Cermet
Top Adjust
100ohm
Through Hole
1Turns
PTC-10 Series
330mW
± 5%
± 100ppm/°C
10 mm Round
-
10.3mm
-
6mm
-40°C
90°C
-
3128432RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
Rs.117.260
250+
Rs.105.530
500+
Rs.94.030
Min: 100 / Mult: 1
Single Turn
Cermet
Top Adjust
100ohm
Surface Mount
1Turns
PSC-10 Series
330mW
± 5%
± 100ppm/°C
10 mm Round
-
10.3mm
10.9mm
5.7mm
-40°C
90°C
-
4006831

RoHS

Each
1+
Rs.148.030
50+
Rs.129.530
100+
Rs.107.330
250+
Rs.96.220
500+
Rs.94.380
Min: 1 / Mult: 1
Single Turn
Carbon
Top Adjust
100ohm
Through Hole
1Turns
PT-10 Series
150mW
± 20%
± 300ppm/°C
10 mm Round
-
-
-
6mm
-25°C
70°C
-
4220898RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
Rs.208.340
250+
Rs.186.790
500+
Rs.172.420
1000+
Rs.161.130
Min: 100 / Mult: 1
Single Turn
Carbon
Side Adjust
5kohm
Surface Mount
1Turns
PS-10 Series
150mW
± 30%
± 1.5ppm/°C
10 mm Round
-
-
-
-
-40°C
85°C
-
4220901RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
Rs.245.110
250+
Rs.219.750
500+
Rs.202.850
1000+
Rs.189.570
Min: 100 / Mult: 1
Single Turn
Carbon
Side Adjust
10kohm
Surface Mount
1Turns
PS-10 Series
150mW
± 30%
± 1.5ppm/°C
10 mm Round
-
-
-
-
-40°C
85°C
-
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