User Guide for FSR Sensor

Page 14 FSR Integration Guide and Evaluation Parts Catalog
with Suggested Electrical Interfaces
General FSR Characteristics
These are typical parameters. The FSR is a custom device and can be made for use outside these
characteristics. Consult Sales Engineering with your specific requirements.
Simple FSR Devices and Arrays
PARAMETER VALUE NOTES
Size Range
Max = 20” x 24” (51 x 61 cm)
Min = 0.2” x 0.2” (0.5 x 0.5 cm)
Any shape
Device thickness
0.008” to 0.050” (0.20 to 1.25 mm) Dependent on materials
Force Sensitivity Range
< 100 g to > 10 kg Dependent on mechanics
Pressure Sensitivity Range
< 1.5 psi to > 150 psi
(< 0.1 kg/cm
2
to > 10 kg/cm
2
)
Dependent on mechanics
Part-to-Part Force Repeatability
± 15% to ± 25% of established
nominal resistance
With a repeatable
actuation system
Single Part Force Repeatability
± 2% to ± 5% of established nominal
resistance
With a repeatable
actuation system
Force Resolution
Better than 0.5% full scale
Break Force (Turn-on Force)
20 g to 100 g (0.7 oz to 3.5 oz)
Dependent on mechanics
and FSR build
Stand-Off Resistance
> 1MΩ
Unloaded, unbent
Switch Characteristic
Essentially zero travel
Device Rise Time
1-2 msec (mechanical)
Lifetime
> 10 million actuations
Temperature Range
-30ºC to +70°C
Dependent on materials
Maximum Current
I mA/cm
2
of applied force
Sensitivity to Noise/Vibration
Not significantly affected
EMI / ESD
Passive device
Lead Attachment
Standard flex circuit techniques