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Force Sensitive Resistor - Square

A Force Sensitive Resistor with a square sensing area. Its resistance varies depending on how much pressure is being applied to the sensing area.

Out of stock. Orders can be placed and will be despatched once in stock.

4650 £7.50
(£9.00 incl VAT)

This is a force sensitive resistor with a square, 1.75x1.5", sensing area. This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the resistance. When no pressure is being applied to the FSR its resistance will be larger than 1Mohm. This FSR can sense applied force anywhere in the range of 100g-10kg.

Two pins extend from the bottom of the sensor with 0.1" pitch making it bread board friendly. There is a peel-and-stick rubber backing on the other side of the sensing area to mount the FSR.

These sensors are simple to set up and great for sensing pressure, but they aren't incredibly accurate. Use them to sense if it's being squeezed, but you may not want to use it as a scale.


  • Overall length: 8.9cm
  • Overall width: 4.4cm
  • Sensing area: 4.4cm x 3.8cm
Ask Kitronik Force Sensors
Video Force Sensors
A video about Force Sensors taken from our Ask Kitronik Live event 2012.


Posted by Ryan, Friday, 31 October 2014 on product Force Sensitive Resistor - Square


What is the resistance of Force Sensitive Resistor - Square Product Code: 4650


  • Posted by Aaron Sturman on Friday, 31 October 2014
    The resistance will vary depending on the weight applied. When no force is applied the resistance will be approximately 1M Ohms, When maximum force is applied the resistance will be around 1K Ohms.

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