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Precision Potentiometer 3296W Variable Resistors Pack 15pcs

$5.95 (AUD)

Precision Potentiometer 3296W Variable Resistors Pack 15pcs

Precision Potentiometer delivers to a high degree of accuracy a voltage output that is some specified function of applied voltage and shaft position.

10 in stock

Qty Discount
2 - 4 5%
5 - 9 8%
10 + 10%
SKU: LAF-E226 Categories: ,


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Descrpition

Precision Potentiometer 3296W Variable Resistors Pack 15pcs

  • 101(100Ω)
  • 102(1kΩ)
  • 103(10kΩ)
  • 104(100kΩ)
  • 105(1MΩ)
  • 201(200Ω)
  • 202(2kΩ)
  • 203(20kΩ)
  • 204(200kΩ)
  • 205(2M)
  • 500(50Ω)
  • 501(500Ω)
  • 502(5kΩ)
  • 503(50kΩ)
  • 504(500kΩ)
What is a trimpot?

Trimpot definition.

Trimmer potentiometers and preset resistors are small variable resistors that are used in circuits for tuning and (re)calibration.

A trimpot or trimmer potentiometer is a small potentiometer that is used for adjustment, tuning and calibration in circuits. When they are used as a variable resistance (wired as a rheostat) they are called preset resistors. Trimpot or presets are normally mounted on printed circuit boards and adjusted by using a screwdriver. The material they use as a resistive track is varying, but the most common is either carbon composition or cermets. Trimpot is designed for occasional adjustment and can often achieve a high resolution when using multi-turn setting screws. When trimmer potentiometers are used as a replacement for normal potentiometers, care should be taken as their designed lifespan is often only 200 cycles.

Types of trimpots

Several different versions of trimpots are available, using different mounting methods (through-hole, SMD) and adjusting orientations (top, side) as well as single and multi-turn variations.

Single turn

Single turn trimmers/presets are very common and used where a resolution of one turn is sufficient. They are the most cost-effective variable resistors available.

An open trimpot with a carbon resistive track Open, carbon track Single turn enclosed trimpot Enclosed, side adjust SMT mounted variable resistor Enclosed, SMD

Multi-turn

For higher adjustment resolutions, multi-turn trimpots are used. The amount of turns varies between roughly 5-25, but 5, 12 or 25 turns are quite common. They are often constructed using a worm-gear (rotary track) or lead screw (linear track) mechanism to achieve the high resolution. Because of their more complex construction and manufacturing, they are more costly than single turn preset resistors. The lead screw packages can have a higher power rating because of their increased surface area.

Top adjustable multi-turn trimmer potentiometer Top adjusts, worm-gear. Side adjustable multi-turn preset resistor Side adjust, worm-gear Linear trimpot, side-adjustable Side adjust, lead screw

Trimpot symbols

The following IEC symbols are used for trimpots and preset resistors. Although these is the official symbols for occasionally adjusted resistors, the standard symbols for a potentiometer or rheostat are often used.

Trimpot symbol                           Preset resistor symbol                      Potentiometer symbol                  Rheostat symbol

Trimpot symbolIEC standard       Preset resistor symbol IEC standard  Potentiometer symbolIEC standard    Rheostat symbolIEC standard

 

Development  Resources: demo codes, schematics, datasheets, etc

Reference for Arduino and reference to all matters.

Ardunio from Wikipedia

Notes:

1. There may be slight size deviations due to manual measurement, different measuring methods and tools.
2. The picture may not reflect the actual colour of the item because of different photographing light, angle and display monitor

Reference:

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Other Related Products

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Components Package Kit for Arduino A low-cost components starter kit which comprises the most commonly used resistor values, potentiometers, switches, LED’s and Header terminal strips

Weight 0.017 kg
Dimensions 5 × 5 × 2 cm

Product Applications

What is a Precision Potentiometer?

Precision Potentiometer delivers to a high degree of accuracy a voltage output that is some specified function of applied voltage and shaft position.

wirewound PRECISION POTENTIOMETER: A single mechanical section of a potentiometer that may contain one or more electrical resistance elements.

 

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