Trimmer Resistors

What are trimmer potentiometers?


Trimmer potentiometers, sometimes referred to as trim pots or trimmer resistors are a type of adjustable potentiometer (variable resistor). They are used to calibrate and fine-tune circuits. Trimmer potentiometers are typically constructed from cermet or have a carbon composition. They can be mounted directly onto PCBs (printed circuit boards).


Trimmer potentiometers are not adjusted very frequently. You can think of them as a ’set and forget’ component. Trim pots let you set (or trim) the resistance to obtain a very precise current, output voltage or gain. Once the value has been set, it is unlikely that you’ll need to adjust the trimmer again unless you need to recalibrate the circuit.


Can I replace a normal potentiometer with a trimmer potentiometer?


Yes, you can. However, trimmer potentiometers are typically more expensive than standard potentiometers with a fixed resistance rating. It is also worth bearing in mind the difference in lifespan too. Many potentiometers have a lifespan that allows for hundreds of thousands of cycles. Trimmer potentiometers typically have a lifespan of a few hundred cycles (at best). Trim pots also tend to take up more space on a PCB than a standard potentiometer.


Do I need a single turn or multiturn trim pot?


This completely depends on the intended application of the trim pot. Multiturn trimmer pots tend to have a higher resolution than single turn models. A single turn trimmer potentiometer is ideal for applications where a resolution of one turn is enough.


Adjustment types


Trimmer potentiometers are normally adjusted by hand (you can turn the adjustment knob with your fingers), with a screwdriver or with a specialised adjustment tool designed for use with a particular model or series.


...
Read more Read less

Filters

Viewing 101 - 120 of 2686 products
Results per page
Description Price Maximum Resistance Mounting Type Number of Turns Orientation Power Rating Series Termination Style Length Tolerance Depth Temperature Coefficient Height Dimensions Maximum Voltage Rating
RS Stock No. 522-0136
Mfr. Part No.3296Y-1-202LF
BrandBourns
MYR9.93
Each
units
2kΩ Through Hole 25 Top Adjust 0.5W 3296 Pin 9.53mm ±10% - ±100ppm/°C - - -
RS Stock No. 167-5361
Mfr. Part No.3306W-1-103
BrandBourns
MYR1.28
Each (In a Bag of 200)
units
10kΩ Through Hole 1 Side Adjust 0.2W 3306 Pin 6.81mm ±25% - ±250ppm/°C - - -
RS Stock No. 522-2772
Mfr. Part No.3386P-1-502LF
BrandBourns
MYR5.16
Each
units
5kΩ Through Hole 1 Top Adjust 0.5W 3386 Pin 9.53mm ±10% - ±100ppm/°C - - -
RS Stock No. 167-9649
Mfr. Part No.M63M103KB30T607
BrandVishay
MYR10.124
Each (In a Box of 400)
units
10kΩ Through Hole 1 Top Adjust 0.5W 63M Pin 9.52mm ±10% - ±100ppm/°C - - -
RS Stock No. 167-3477
Mfr. Part No.3386P-1-502LF
BrandBourns
MYR4.468
Each (In a Tube of 50)
units
5kΩ Through Hole 1 Top Adjust 0.5W 3386 Pin 9.53mm ±10% - ±100ppm/°C - - -
RS Stock No. 522-0906
Mfr. Part No.3362P-1-104LF
BrandBourns
MYR4.17
Each
units
100kΩ Through Hole 1 Top Adjust 0.5W 3362 Pin 6.6mm ±10% - ±100ppm/°C - - -
RS Stock No. 521-9681
Mfr. Part No.3296W-1-200LF
BrandBourns
MYR9.45
Each
units
20Ω Through Hole 25 Top Adjust 0.5W 3296 Pin 9.53mm ±10% - ±100ppm/°C - - -
RS Stock No. 788-5079
Mfr. Part No.T93YA502KT20
BrandVishay
MYR6.34
Each (In a Pack of 5)
units
5kΩ Through Hole 21 Top Adjust 0.5W T93 Pin 9.7mm ±10% - - - - -
RS Stock No. 851-7483
Mfr. Part No.RJ24FW103
BrandBourns
MYR25.80
Each
units
10kΩ Panel Mount 25 - 0.5W RJ24 PC Pin 11.55mm ±10% - - - - -
RS Stock No. 850-9653
Mfr. Part No.T73YP103KT20
BrandVishay
MYR3.06
Each
units
10kΩ Through Hole 1 Top Adjust 0.5W T73 PC Pin 6.6mm ±10% - ±100ppm/°C - - -
RS Stock No. 167-3376
Mfr. Part No.3296W-1-102LF
BrandBourns
MYR7.519
Each (In a Tube of 50)
units
1kΩ Through Hole 25 Top Adjust 0.5W 3296 Pin 9.53mm ±10% - ±100ppm/°C - - -
RS Stock No. 521-9350
Mfr. Part No.3266X-1-105LF
BrandBourns
MYR14.96
Each
units
1MΩ Through Hole 12 Side Adjust 0.25W 3266 Pin 7.73mm ±10% - ±100ppm/°C - - -
RS Stock No. 154-2044
Mfr. Part No.M64W502KB40
BrandVishay
MYR8.97
Each
units
5kΩ Through Hole 19 (Electrical), 22 (Mechanical) Top Adjust 1/2W 64W Pin 9.7mm ±10% 5mm - 11.1mm 9.7 x 5 x 11.1mm -
RS Stock No. 154-2072
Mfr. Part No.M64W104KB40
BrandVishay
MYR11.94
Each
units
100kΩ Through Hole 19 (Electrical), 22 (Mechanical) Top Adjust 1/2W 64W Pin 9.7mm ±10% 5mm ±100ppm/°C 11.1mm 9.7 x 5 x 11.1mm -
RS Stock No. 522-2227
Mfr. Part No.3386F-1-103LF
BrandBourns
MYR6.54
Each
units
10kΩ Through Hole 1 Top Adjust 0.5W 3386 Pin 9.53mm ±10% - ±100ppm/°C - - -
RS Stock No. 106-8189
Mfr. Part No.EVM2WSX80B53
BrandPanasonic
MYR2,610.00
1 Reel of 3000
Reel(s)
5kΩ Surface Mount 1 Top Adjust 0.15W EVM2W Solder Pad 2.2mm ±25% - ±250ppm/°C - - -
RS Stock No. 522-0899
Mfr. Part No.3362P-1-103LF
BrandBourns
MYR4.17
Each
units
10kΩ Through Hole 1 Top Adjust 0.5W 3362 Pin 6.6mm ±10% - ±100ppm/°C - - -
RS Stock No. 522-0372
Mfr. Part No.3299W-1-500LF
BrandBourns
MYR13.87
Each
units
50Ω Through Hole 25 Top Adjust 0.5W 3299 Pin 9.53mm ±10% - ±100ppm/°C - - -
RS Stock No. 167-9381
Mfr. Part No.T7YB104MT20
BrandVishay
MYR5.311
Each (In a Tube of 50)
units
100kΩ Through Hole 1 Top Adjust 0.5W T7 Pin - ±10% - ±100ppm/°C - - -
RS Stock No. 167-3472
Mfr. Part No.3386P-1-105LF
BrandBourns
MYR3.901
Each (In a Tube of 50)
units
1MΩ Through Hole 1 Top Adjust 0.5W 3386 Pin 9.53mm ±10% - ±100ppm/°C - - -
Related Products
TE Connectivity 3142 series single turn small trimmers ...
Description:
TE Connectivity 3142 series single turn small trimmers suited to reflow soldering and ideal for volume production. Applications for 3142 series trimmers include audio/visual, calibration, instrumentation and industrial control equipment. Stable cermet elementSuited to auto placement with excellent vacuum pickup ...
Dust-proof constructionHigh reliability wiper achieves 1M cyclesSuitable for ...
Description:
Dust-proof constructionHigh reliability wiper achieves 1M cyclesSuitable for automotive and audio equipment4 dia D formation thru-hole rotor allows selection of any kind of gear shapeSupplied SMD or leaded.
Bourns 3296 series Square trimpot trimming potentiometer/ resistor ...
Description:
Bourns 3296 series Square trimpot trimming potentiometer/ resistor perform a variety of circuit adjustments in all types of electronic equipment, These through hole trimmers feature a slim body profile, sealed to withstand immersion board washing. It also has a larger ...
EVMAA surface mount ceramic trimmer potentiometers from Panasonic ...
Description:
EVMAA surface mount ceramic trimmer potentiometers from Panasonic offer a 6mm square dustproof solution with radial taping. Constructed from a Cermet element, these trimmer potentiometers are highly reliable and a sealed construction protects from dust ensuring a stable performance. With ...