A photosensitive element is an optoelectronic component that converts light signals into electrical signals, used in photometric sensors for industrial measurement and control applications.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Linearity | ±1% over specified range | |
| Active Area | 0.1-100 mm² | |
| Sensitivity | 0.1-10 μW/cm² minimum detectable | |
| Dark Current | 1-100 nA at 25°C | |
| Responsivity | 0.5-0.7 A/W at peak wavelength | |
| Response Time | 1-100 ns | |
| Spectral Range | 400-1100 nm (typical silicon) | |
| Operating Temperature | -40°C to +85°C |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
A sensor that measures light intensity or optical properties for testing purposes
A device that converts light signals into electrical signals for detection and measurement.
A device that detects light or other electromagnetic radiation and converts it into an electrical signal.
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A photosensitive element is the core component that converts light to electrical signals, while a photometric sensor includes additional electronics for signal processing, amplification, and output interfaces. The element alone requires supporting circuitry to function as a complete measurement system.
Consider spectral range matching your light source, required sensitivity and response time, active area size, operating temperature range, and package type. Silicon elements work for most visible applications, while specialized materials are needed for UV or IR detection.
Regular cleaning of optical surfaces, protection from excessive light exposure when not in use, monitoring of temperature effects on performance, and periodic calibration against known light sources to maintain measurement accuracy.
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