Optical Sensors & Detector – UV Photodiodes
UVC Photodiode – SG01D-C5LensUVC
Large-Area UVC Photodiode with Integrated Lens for Precision Industrial, Medical, and Scientific Monitoring Applications
The SG01D-C5LensUVC is a Silicon Carbide (SiC)-based UVC photodiode designed for highly selective germicidal radiation detection in the 220–280 nm range. With a large 2.0 mm² active area, it produces strong photocurrents for high-sensitivity applications. The integrated lens enhances light collection efficiency, improving responsivity and enabling accurate measurements even at lower UVC intensities. Featuring peak responsivity of 0.10 A/W at 265 nm, ultra-low dark current (0.1 fA), and 200 pF capacitance, the SG01D-C5LensUVC provides stable, noise-free signals with fast response times for real-time monitoring systems. Built with SiC technology, it guarantees complete visible blindness, ensuring pure UVC detection without interference from IR or visible light. Operating reliably from −55 °C to +170 °C, the SG01D-C5LensUVC is suited for sterilisation validation, UVC LED monitoring, disinfection systems, and environmental research. It combines large-area sensitivity and integrated optical enhancement for demanding UVC applications.
Understanding UVC Photodiode - SG01D-C5LensUVC
The SG01D-C5LensUVC is a large-area photodiode tailored for UVC detection between 220–280 nm, with peak sensitivity at 265 nm. Its 2.0 mm² active area ensures high photocurrent output, while the integrated lens increases light collection efficiency, making it suitable for applications with low UVC intensity. Silicon Carbide construction provides visible blindness, ensuring accurate UVC-only measurements. Ultra-low dark current (0.1 fA) and 200 pF capacitance guarantee stable, noise-free, and fast signal response. With rugged performance across −55 °C to +170 °C, the SG01D-C5LensUVC delivers reliable long-term monitoring in industrial, medical, environmental, and research-grade UVC applications.
Technical Specifications
| Feature | Specification |
| Spectral Range (UVC Specific) | 220 … 280 nm |
| Peak Responsivity | 0.10 A/W at 265 nm |
| Visible Blindness | > 10¹⁰ |
| Active Area | 2.0 mm² |
| Lens Feature |
Integrated optical lens for enhanced collection
|
| Dark Current (1 V reverse bias) | 0.1 fA |
| Capacitance | 200 pF |
| Short Circuit (10 mW/cm² at peak) | 19 µA |
| Temperature Coefficient | < 0.1 %/K |
| Operating Temperature | −55 … +170 °C |
| Storage Temperature | −55 … +170 °C |
| Soldering Temperature (3 s) | 260 °C |
| Maximum Reverse Voltage | 20 V |
Key Features and Advantages
Integrated Lens for Enhanced Sensitivity
The SG01D-C5LensUVC features a built-in optical lens that improves light collection efficiency, increasing responsivity and precision in germicidal monitoring.
Large Active Area
With its 2.0 mm² active area, the device generates strong photocurrents, providing maximum sensitivity in applications requiring high accuracy.
UVC-Selective Responsivity
It is optimised for the 220–280 nm germicidal range, with peak responsivity at 265 nm, ideal for sterilisation validation and disinfection systems.
Noise-Free Operation
An ultra-low dark current of 0.1 fA ensures clean, stable signals for sensitive UVC detection tasks.
Fast Responsiveness
With 200 pF capacitance, it delivers quick response times, making it suitable for real-time monitoring and control.
Visible Blindness
The Silicon Carbide design ensures complete rejection of visible and infrared light, providing pure UVC detection.
Thermal Reliability
Operating across −55 °C to +170 °C, it maintains consistent performance even under harsh aerospace and industrial conditions.
Durability and Stability
SiC construction resists UVC degradation, ensuring long-term calibration stability and dependable performance.
By combining integrated lens technology, large-area sensitivity, and wavelength-specific detection, the SG01D-C5LensUVC delivers superior performance in demanding UVC monitoring applications.
Applications Across Industries
Medical and Healthcare
The SG01D-C5LensUVC is ideal for UVC sterilisation monitoring, hospital disinfection validation, and phototherapy calibration where enhanced sensitivity is critical.
Industrial Sterilisation
It validates UVC LED and lamp-based disinfection systems in cleanrooms, packaging lines, and pharmaceutical manufacturing processes.
Environmental Monitoring
The integrated lens improves performance in air sterilisation, water purification, and environmental UVC studies, ensuring accuracy under varying light levels.
Scientific Research
Researchers employ the device for germicidal optical characterisation, UVC source testing, and photonics studies.
Aerospace and Defence
Its wide temperature tolerance and integrated lens efficiency make it suitable for aerospace-grade UVC safety monitoring and defence systems.
Workplace and Safety Systems
It integrates into UVC safety meters and occupational monitoring devices, enhancing compliance with exposure safety standards.
By offering lens-enhanced detection, large-area sensitivity, and UVC-only selectivity, the SG01D-C5LensUVC is a versatile and reliable sensor for medical, industrial, and scientific UVC monitoring.
Why Choose United Spectrum Instruments?
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Authorised distributor of SGLUX UVC photodiodes in India
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Local stock ensures reduced lead times and faster delivery
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Competitive pricing for industrial, medical, and academic customers
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Expert consultation for UVC monitoring and integration projects
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Nationwide after-sales service, technical support, and training
FAQs
What spectral range does the SG01D-C5LensUVC detect?
It covers UVC wavelengths from 220–280 nm.
What is unique about its lens design?
The integrated lens improves light collection efficiency, enhancing sensitivity in low-intensity UVC environments.
What is the active area size?
It has a large 2.0 mm² active area for high photocurrent output.
Can it withstand extreme conditions?
Yes, it operates reliably across −55 °C to +170 °C.
How does United Spectrum support Indian customers?
By providing local stock, fast delivery, competitive pricing, and nationwide after-sales service.
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FAQs
What spectral range does the SG01D-C5LensUVC detect?
It covers UVC wavelengths from 220–280 nm.
What is unique about its lens design?
The integrated lens improves light collection efficiency, enhancing sensitivity in low-intensity UVC environments.
What is the active area size?
It has a large 2.0 mm² active area for high photocurrent output.
Can it withstand extreme conditions?
Yes, it operates reliably across −55 °C to +170 °C.
How does United Spectrum support Indian customers?
By providing local stock, fast delivery, competitive pricing, and nationwide after-sales service.
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