Force Sensitive Resistor – Small

(1 customer review)

£6.31 inc VAT

Availability: 9 in stock

Brand: SparkFun
Part Number: SEN-09673
Barcode: 5055421001025
SKU: PPSEN-09673 Categories: , Tags: ,
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Force Sensitive Resistor – Small

This is a small force sensitive resistor. It has a 4mm (0.16″ ) diameter active sensing area.

This FSR from Interlink Electronics 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 1MO, with full pressure applied the resistance will be 2.5kO. Actuation Force from as low as 2 grams!!

Two pins extend from the bottom of the sensor with 2.54mm (0.1″) pitch making it bread-board friendly.

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.


  • Actuation Force: 0.1 Newtons
  • Force Sensitivity Range: 0.1 – 10.0² Newtons
  • Non-Actuated Resistance: 10MΩ
  • Switch Travel: 0.05mm
  • Hysteresis: +10%
  • Expected life-cycle: 10,000,000 Actuations Min.


  • Overall length: 44.45mm (1.75″)
  • Overall width: 7.11 (0.28″)
  • Sensing area: 7.5mmm (0.3″)

Force Sensitive Resistor - 7.5mm Dia Small dimensional drawing

Wondering what a Force Sensitive resistor is or how to connect it?

1 review for Force Sensitive Resistor – Small

  1. Jan

    We have used these sensors in an experiment where we needed a small thin sensor to measure contact pressures. As long as you calibrate them before use, we found they do a good job.

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