Trimmer Resistors

Trimmer resistors are a type of adjustable electrical component that are usually installed directly onto printed circuit boards (PCBs), set to a given value using a trimmer resistor adjustment tool, and then fixed in that position for the majority of their lifespan. They tend not to be accessible by general users.

What are trimmer resistors used for?

Trimmer resistors, like other types of trimmers, are often used in precision circuitry as found in audiovisual components. The position they are set to is designed to allow the equipment to function at its best, and will only need to be changed if the equipment is at some point recalibrated.

Types of trimmer resistors

There are a number of characteristics that can differ between trimmer resistors. These include mounting type, number of turns, power rating, range of operation, temperature and voltage. They have varying maximum resistances, and also come in different sizes depending on their intended use.


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Description Price Maximum Resistance Number of Turns Mounting Type Power Rating Series Orientation Termination Style Length Depth Height Dimensions Shaft Diameter Diameter Tolerance
RS Stock No. 521-9647
Mfr. Part No.3296W-1-103LF
BrandBourns
£1.75
Each
Units
10 kΩ 25 Through Hole 1/2W 3296W Top Adjust Pin 9.53mm 4.83mm 11.55mm 9.53 x 4.83 x 11.55mm 2.19 mm - ±10%
RS Stock No. 167-3377
Mfr. Part No.3296W-1-103LF
BrandBourns
£1.263
Each (In a Tube of 50)
Units
10 kΩ 25 Through Hole 1/2W 3296W Top Adjust Pin 9.53mm 4.83mm 11.55mm 9.53 x 4.83 x 11.55mm 2.19 mm - ±10%
RS Stock No. 167-3253
Mfr. Part No.3362P-1-103LF
BrandBourns
£0.614
Each (In a Tube of 50)
Units
10 kΩ 1 Through Hole 0.5W 3362P Top Adjust Pin 6.6mm 6.99mm 4.7mm 6.6 x 6.99 x 4.7mm 2.77 mm - ±10%
RS Stock No. 522-0899
Mfr. Part No.3362P-1-103LF
BrandBourns
£1.00
Each
Units
10 kΩ 1 Through Hole 0.5W 3362P Top Adjust Pin 6.6mm 6.99mm 4.7mm 6.6 x 6.99 x 4.7mm 2.77 mm - ±10%
RS Stock No. 154-2050
Mfr. Part No.M64W103KB40
BrandVishay
£1.81
Each
Units
10 kΩ 19 (Electrical), 22 (Mechanical) Through Hole 1/2W 64W Top Adjust Pin 9.7mm 5mm 11.1mm 9.7 x 5 x 11.1mm 2.2 mm - ±10%
RS Stock No. 169-3080
Mfr. Part No.M64W103KB40
BrandVishay
£1.064
Each (In a Box of 200)
Units
10 kΩ 19 (Electrical), 22 (Mechanical) Through Hole 1/2W 64W Top Adjust Pin 9.7mm 5mm 11.1mm 9.7 x 5 x 11.1mm 2.2 mm - ±10%
RS Stock No. 167-3491
Mfr. Part No.3296W-1-502LF
BrandBourns
£1.136
Each (In a Tube of 50)
Units
5 kΩ 25 Through Hole 1/2W 3296W Top Adjust Pin 9.53mm 4.83mm 11.55mm 9.53 x 4.83 x 11.55mm 2.19 mm - ±10%
RS Stock No. 521-9798
Mfr. Part No.3296W-1-502LF
BrandBourns
£2.17
Each
Units
5 kΩ 25 Through Hole 1/2W 3296W Top Adjust Pin 9.53mm 4.83mm 11.55mm 9.53 x 4.83 x 11.55mm 2.19 mm - ±10%
RS Stock No. 521-9192
Mfr. Part No.3266W-1-103LF
BrandBourns
£3.01
Each
Units
10 kΩ 12 Through Hole 1/4W 3266W Top Adjust Pin 6.71mm 4.5mm 7.24mm 6.71 x 4.5 x 7.24mm 1.78 mm - ±10%
RS Stock No. 167-3362
Mfr. Part No.3266W-1-103LF
BrandBourns
£1.821
Each (In a Tube of 50)
Units
10 kΩ 12 Through Hole 1/4W 3266W Top Adjust Pin 6.71mm 4.5mm 7.24mm 6.71 x 4.5 x 7.24mm 1.78 mm - ±10%
RS Stock No. 521-9653
Mfr. Part No.3296W-1-104LF
BrandBourns
£1.87
Each
Units
100 kΩ 25 Through Hole 1/2W 3296W Top Adjust Pin 9.53mm 4.83mm 11.55mm 9.53 x 4.83 x 11.55mm 2.19 mm - ±10%
RS Stock No. 167-3378
Mfr. Part No.3296W-1-104LF
BrandBourns
£1.226
Each (In a Tube of 50)
Units
100 kΩ 25 Through Hole 1/2W 3296W Top Adjust Pin 9.53mm 4.83mm 11.55mm 9.53 x 4.83 x 11.55mm 2.19 mm - ±10%
RS Stock No. 164-8707
Mfr. Part No.CB10LV103M
£0.129
Each (In a Box of 1000)
Units
10 kΩ 1 Through Hole 3/20W CB10LV Top Adjust Pin 11mm 9.8mm 6mm 11 x 9.8 x 6mm - - ±20%
RS Stock No. 473-473
Mfr. Part No.CB10LV103M
£0.326
Each (In a Pack of 5)
Units
10 kΩ 1 Through Hole 3/20W CB10LV Top Adjust Pin 11mm 9.8mm 6mm 11 x 9.8 x 6mm - - ±20%
RS Stock No. 167-9649
Mfr. Part No.M63M103KB30T607
BrandVishay
£1.482
Each (In a Box of 400)
Units
10 kΩ 1 Through Hole 1/2W 63M-T607 Finger Adjust Pin 9.52mm 9.52mm 10.41mm 9.52 x 9.52 x 10.41mm 8.38 mm - ±10%
RS Stock No. 154-2549
Mfr. Part No.M63M103KB30T607
BrandVishay
£2.85
Each
Units
10 kΩ 1 Through Hole 1/2W 63M-T607 Finger Adjust Pin 9.52mm 9.52mm 10.41mm 9.52 x 9.52 x 10.41mm 8.38 mm - ±10%
RS Stock No. 521-9631
Mfr. Part No.3296W-1-102LF
BrandBourns
£2.49
Each
Units
1 kΩ 25 Through Hole 1/2W 3296W Top Adjust Pin 9.53mm 4.83mm 11.55mm 9.53 x 4.83 x 11.55mm 2.19 mm - ±10%
RS Stock No. 167-3376
Mfr. Part No.3296W-1-102LF
BrandBourns
£1.136
Each (In a Tube of 50)
Units
1 kΩ 25 Through Hole 1/2W 3296W Top Adjust Pin 9.53mm 4.83mm 11.55mm 9.53 x 4.83 x 11.55mm 2.19 mm - ±10%
RS Stock No. 162-237
Mfr. Part No.M43P103KB40
BrandVishay
£1.84
Each
Units
10 kΩ 20 Through Hole 1/2W 43P Side Adjust Pin 20.57mm 4.83mm 6.35mm 20.57 x 4.83 x 6.35mm 2.54 mm - ±10%
RS Stock No. 169-3024
Mfr. Part No.M43P103KB40
BrandVishay
£0.978
Each (In a Box of 200)
Units
10 kΩ 20 Through Hole 1/2W 43P Side Adjust Pin 20.57mm 4.83mm 6.35mm 20.57 x 4.83 x 6.35mm 2.54 mm - ±10%
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Description:
Due to their square shape and small size, the multi-turn trimmers of the T63 series are ideally suited for PCB use, enabling high density board mounting with reduced space requirement between cards. Multiturn operationA low contact resistance variation.
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