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.


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Omschrijving Prijs Maximum Resistance Mounting Type Number of Turns Orientation Power Rating Series Termination Style Length Tolerance Depth Temperature Coefficient Height Dimensions Maximum Voltage Rating
RS-stocknr. 486-7627
FabrikantnummerTS53YJ103MR10
FabrikantVishay
€ 1,184
Each (In a Pack of 5)
Aantal stuks
10 kΩ Surface Mount 1 Top Adjust 0.25W TS53 J-Hook 5mm ±20% - ±100ppm/°C - - -
RS-stocknr. 167-9442
FabrikantnummerTS53YJ103MR10
FabrikantVishay
€ 0,572
Each (On a Reel of 500)
Aantal stuks
10 kΩ Surface Mount 1 Top Adjust 0.25W TS53 J-Hook 5mm ±20% - ±100ppm/°C - - -
RS-stocknr. 169-3024
FabrikantnummerM43P103KB40
FabrikantVishay
€ 1,112
Each (In a Box of 200)
Aantal stuks
10 kΩ Through Hole 20 Side Adjust 0.5W 43P Pin 20.57mm ±10% - ±100ppm/°C - - -
RS-stocknr. 162-237
FabrikantnummerM43P103KB40
FabrikantVishay
€ 1,96
Each
Aantal stuks
10 kΩ Through Hole 20 Side Adjust 1/2W 43P Pin 20.57mm ±10% 4.83mm ±100ppm/°C 6.35mm 20.57 x 4.83 x 6.35mm -
RS-stocknr. 850-9625
FabrikantnummerT73XX103KT20
FabrikantVishay
€ 0,72
Each
Aantal stuks
10 kΩ Through Hole 1 Side Adjust 0.5W T73 PC Pin 6.6mm ±10% - ±100ppm/°C - - -
RS-stocknr. 486-7526
FabrikantnummerTS53YL103MR10
FabrikantVishay
€ 1,016
Each (In a Pack of 5)
Aantal stuks
10 kΩ Surface Mount 1 Top Adjust 0.25W TS53 Gull Wing 5mm ±20% - ±100ppm/°C - - -
RS-stocknr. 167-9436
FabrikantnummerTS53YL103MR10
FabrikantVishay
€ 0,596
Each (On a Reel of 500)
Aantal stuks
10 kΩ Surface Mount 1 Top Adjust 0.25W TS53 Gull Wing 5mm ±20% - ±100ppm/°C - - -
RS-stocknr. 486-7497
FabrikantnummerTS53YL102MR10
FabrikantVishay
€ 1,546
Each (In a Pack of 5)
Aantal stuks
1 kΩ Surface Mount 1 Top Adjust 0.25W TS53 J-Hook 5mm ±20% - ±100ppm/°C - - -
RS-stocknr. 486-7302
FabrikantnummerTSM4YJ204KB25
FabrikantVishay
€ 2,88
Each (In a Pack of 5)
Aantal stuks
200 kΩ Surface Mount 11 Side Adjust 0.2W TSM4 J-Hook 4.8mm ±10% - ±100ppm/°C - - -
RS-stocknr. 167-9355
FabrikantnummerTSM4YJ103KB25
FabrikantVishay
€ 2,261
Each (In a Box of 50)
Aantal stuks
10 kΩ Surface Mount 11 Side Adjust 0.25W TSM4 J-Hook 4.8mm ±10% - ±100ppm/°C - - -
RS-stocknr. 167-9432
FabrikantnummerTS53YL102MR10
FabrikantVishay
€ 0,662
Each (On a Reel of 500)
Aantal stuks
1 kΩ Surface Mount 1 Top Adjust 0.25W TS53 J-Hook 5mm ±20% - ±100ppm/°C - - -
RS-stocknr. 486-7251
FabrikantnummerTSM4YJ103KB25
FabrikantVishay
€ 3,958
Each (In a Pack of 5)
Aantal stuks
10 kΩ Surface Mount 11 Side Adjust 0.25W TSM4 J-Hook 4.8mm ±10% - ±100ppm/°C - - -
RS-stocknr. 169-3104
FabrikantnummerM64Y103KB40
FabrikantVishay
€ 1,125
Each (In a Box of 200)
Aantal stuks
10 kΩ Through Hole 19 (Electrical), 22 (Mechanical) Top Adjust 0.5W 64Y Pin 9.7mm ±10% - ±100ppm/°C - - -
RS-stocknr. 154-2432
FabrikantnummerM64Y103KB40
FabrikantVishay
€ 2,02
Each
Aantal stuks
10 kΩ Through Hole 19 (Electrical), 22 (Mechanical) Top Adjust 1/2W 64Y Pin 9.7mm ±10% 5mm ±100ppm/°C 11.1mm 9.7 x 5 x 11.1mm -
RS-stocknr. 162-2406
FabrikantnummerTSM4YJ204KB25
FabrikantVishay
€ 2,261
Each (In a Box of 50)
Aantal stuks
200 kΩ Surface Mount 11 Side Adjust 0.2W TSM4 J-Hook 4.8mm ±10% - ±100ppm/°C - - -
RS-stocknr. 167-9960
FabrikantnummerT93YB103KT20
FabrikantVishay
€ 0,962
Each (In a Tube of 50)
Aantal stuks
10 kΩ Through Hole 21 (Electrical) Turns, 23 (Mechanical) Turns Top Adjust 0.5W T93 Pin 9.7mm ±10% - ±100ppm/°C - - -
RS-stocknr. 374-6967
FabrikantnummerT7YB224MT20
FabrikantVishay
€ 1,444
Each (In a Pack of 5)
Aantal stuks
220 kΩ Through Hole 1 Top Adjust 0.28W T7 Pin - ±10% - ±100ppm/°C - - -
RS-stocknr. 167-9383
FabrikantnummerT7YB224MT20
FabrikantVishay
€ 0,894
Each (In a Tube of 50)
Aantal stuks
220 kΩ Through Hole 1 Top Adjust 0.28W T7 Pin - ±10% - ±100ppm/°C - - -
RS-stocknr. 374-7140
FabrikantnummerT63YB105KT20
FabrikantVishay
€ 2,01
Each
Aantal stuks
1 MΩ Through Hole 14 Top Adjust 0.06W T63 Pin 6.8mm ±10% - ±100ppm/°C - - -
RS-stocknr. 788-5114
FabrikantnummerT93YB103KT20
FabrikantVishay
€ 1,248
Each (In a Pack of 5)
Aantal stuks
10 kΩ Through Hole 21 (Electrical) Turns, 23 (Mechanical) Turns Top Adjust 0.5W T93 Pin 9.7mm ±10% - ±100ppm/°C - - -