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  • Hotpot Potentiometer Membrane 25mm

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Hotpot Potentiometer Membrane 25mm

  • Product Code: 502
  • Availability: 3
  • Price :

    Rs.1,003.00 (inc GST)

    Qty :

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IF component not in Stock or require more quantity or want to buy in bulk e-mail us your requirements on: dnatechindia "at" gmail.com.

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Hotpot Potentiometer Membrane 25mm

This is a very thin variable potentiometer of 25 mm length. By pressing on various parts of the strip the resistance changes linearly from 1K ohms to 10K ohms thus allowing user to very accurately calculate the relative position on the strip.

Hotpot Potentiometer Membrane is made from impregnated fiberglass material, the HotPot sensor is highly resistant to temperature fluctuations. It operates either via an actuator or finger contact. OEMs and engineers prefer using this pot with a finger or stylus. Attached to the shaft is a wiper that provides absolute position location.

Features and Advantages of Hotpot Potentiometer

  • Robust design for maximum durability
  • Easy to install or mount
  • Sealed for maximum reliability in harsh environments
  • Cost effective/economical
  • Offers low form factor
  • High life cycle and tolerance to heat and humidity
  • Dust and water proof

How HotPot Works?

In simple terms, the HotPot membrane potentiometer is a resistive element, which comprises a conductive resistor, a sealed encasement and a simple wiper assembly. A membrane potentiometer can also function as a voltage divider. 

The HotPot is a three-wire system with two resistive output channels and an electrical collector channel.


By pressing a wiper down onto the top circuit the HotPot produces the desired electrical output. The “wiper” is a non-conductive mechanism that depresses the top circuit actuating the potentiometer from the outside of the element. The top and bottom circuits are separated by 0.15mm (0.006″) of spacer adhesive build-up and contact between the circuit occurs by pressure (usually 1-3 Newtons) from the wiper on the top circuit, pushing down until the top circuit connects with the bottom circuit to create a potentiometric output.

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