Photoresistor Sensitivity Formula and Calculator

Photoresistor sensitivity defines its responsiveness to changes in light intensity, making it a crucial parameter for light-dependent circuits. This guide explains the sensitivity formula in detail and offers a user-friendly calculator for accurate measurements. Master these concepts to optimize your photoresistor-based designs.

Photoresistor Sensitivity Definition

The sensitivity of a photoresistor is defined as the change in resistance in relation to a change in irradiance (light intensity). This is expressed in the following equation. The unit of photoresistor sensitivity is Ohm/(W*m^-2).

Photoresistor Sensitivity Calculator

The following formula is used for the photoresistor sensitivity calculator.

Conclusion

Precise sensitivity calculations are essential for evaluating and improving photoresistor performance. Use the formula and calculator provided to achieve accurate results and enhance your light-dependent applications.