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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 typesTrimmer 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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15 TURN CERMET TRIMMER,2K 19MM 750MW
IDR36,291.94 -
15 TURN CERMET TRIMMER,500R 19MM 750MW
IDR33,879.47 -
15 TURN CERMET TRIMMER,5K 19MM 750MW
IDR33,879.47 -
22 TURNS CERMET TRIMMER 100R 10% 3059Y
IDR1,152,741.10Tube (1 Tube of 10) -
25 TURNS WIREWOUND TRIMMER 10K 5% 1W
IDR472,739.23 -
3006P SIDE ADJ CERMET TRIMMER,100K 19MM
IDR39,123.97 -
3006P SIDE ADJ CERMET TRIMMER,1K 19MM
IDR39,543.53 -
3224G 4MM 11-TURN SMT SIDEADJ TRIMMER,1K
IDR76,884.37 -
3224G 4MM 11-TURN SMT SIDEADJ TRIMMER,2K
IDR80,135.96 -
3224G 4MM 11T SMT SIDEADJ TRIMMER,20K
IDR80,345.74 -
3224G 4MM 11T SMT SIDEADJ TRIMMER,50K
IDR73,737.67 -
3224J SMD CERMET TRIMMER 20R 10% 4MM
IDR76,884.37 -
3224W SMT TOP ADJ CERMET TRIMMER,10K 4MM
IDR408,022.10Pack (1 Pack of 5) -
3224W SMT TOP ADJ CERMET TRIMMER,20K 4MM
IDR408,022.10Reel (1 Reel of 5) -
3224W SMT TOP ADJ CERMET TRIMMER,2K 4MM
IDR408,022.10Reel (1 Reel of 5) -
3224W SMT TOP ADJ CERMET TRIMMER,50K 4MM
IDR408,022.10Pack (1 Pack of 5) -
3224W SMT TOP ADJ CERMET TRIMMER,5K 4MM
IDR408,022.10Reel (1 Reel of 5) -
3224W SMT TOPADJ CERMET TRIMMER,100R 4MM
IDR408,022.10Reel (1 Reel of 5) -
3224W SMT TOPADJ CERMET TRIMMER,500R 4MM
IDR408,022.10Reel (1 Reel of 5) -
3224X SMD CERMET TRIMMER 5K 10% 4MM
IDR87,058.70 -
3266W TOP ADJ CERMET TRIMMER,100K,6MM
IDR67,863.83 -
3266W TOP ADJ CERMET TRIMMER,100R, 6MM
IDR2,494,598.87Tube (1 Tube of 50) -
3266W TOP ADJ CERMET TRIMMER,10K, 6MM
IDR67,863.83 -
3266W TOP ADJ CERMET TRIMMER,1K,6MM
IDR67,863.83
