Optical Sensors & Detector – UV Photodiodes
UVC Photodiode – SG01L-C5UVC
Extra-Large Area UVC Photodiode for Industrial, Medical, Environmental, Aerospace, and Scientific Germicidal Monitoring Applications
The SG01L-C5UVC is a Silicon Carbide (SiC)-based photodiode optimised for precise germicidal UVC detection within the 220–280 nm range. With an extra-large 10.0 mm² active area, it delivers very strong photocurrents, making it an ideal choice for applications that demand maximum sensitivity, wide-beam coverage, or low-intensity UVC monitoring. Featuring peak responsivity of 0.10 A/W at 265 nm, ultra-low dark current (0.1 fA), and 1000 pF capacitance, the SG01L-C5UVC ensures noise-free, stable performance and responsive signal output. Its Silicon Carbide material ensures complete visible blindness, guaranteeing interference-free UVC-only detection. Rugged and reliable, it operates across −55 °C to +170 °C, providing consistent performance in demanding industrial, aerospace, and medical environments. Applications include sterilisation validation, UVC LED and lamp calibration, disinfection monitoring, water and air purification systems, and photonics research. The SG01L-C5UVC combines extra-large active area, high sensitivity, and rugged durability for mission-critical germicidal monitoring.
Understanding UVC Photodiode - SG01L-C5UVC
The SG01L-C5UVC is a large-area Silicon Carbide photodiode designed to detect UVC radiation between 220–280 nm with peak sensitivity at 265 nm. Its 10.0 mm² active area produces very strong photocurrents, ideal for applications requiring wide-beam collection or enhanced sensitivity in low-intensity UVC environments. With ultra-low dark current (0.1 fA) and 1000 pF capacitance, it delivers stable, noise-free signals and responsive performance for real-time monitoring. Built with SiC, it ensures complete visible blindness, rejecting IR and visible wavelengths for pure UVC-only detection. Rugged and durable, the SG01L-C5UVC performs reliably across −55 °C to +170 °C, ensuring long-term stability in industrial, medical, and scientific 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 | 10.0 mm² |
| Dark Current (1 V reverse bias) | 0.1 fA |
| Capacitance | 1000 pF |
| Short Circuit (10 mW/cm² at peak) | 95 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
Extra-Large Active Area for Strong Photocurrents
With its 10.0 mm² active area, the SG01L-C5UVC delivers significantly higher photocurrents, ideal for wide-beam or low-intensity UVC environments.
UVC-Selective Detection
Optimised for the germicidal UVC band (220–280 nm), with peak responsivity at 265 nm, it provides accurate detection for sterilisation and disinfection monitoring.
High Signal Purity
Constructed from Silicon Carbide, the device ensures complete visible blindness, rejecting IR and visible light for interference-free UVC-only detection.
Stable and Noise-Free Signals
With an ultra-low dark current of 0.1 fA, it provides clean, stable signals for precision UVC monitoring.
Fast Responsiveness
Its 1000 pF capacitance ensures reliable responsiveness, supporting real-time monitoring and safety validation systems.
Rugged Thermal Reliability
The SG01L-C5UVC operates across −55 °C to +170 °C, making it suitable for aerospace, defence, and industrial-grade systems.
Durability and Longevity
Engineered with SiC, the photodiode resists UVC degradation, ensuring long-term calibration stability and dependable performance.
By combining extra-large sensitivity, UVC-only selectivity, and rugged durability, the SG01L-C5UVC is a reliable solution for mission-critical germicidal monitoring.
Applications Across Industries
Medical and Healthcare
The SG01L-C5UVC is widely used in hospital sterilisation validation, UVC LED monitoring, and phototherapy calibration systems.
Industrial Sterilisation
It validates high-power UVC lamp and LED systems in pharmaceutical, cleanroom, and food packaging environments.
Environmental Monitoring
The photodiode supports air sterilisation, water purification, and atmospheric UVC radiation studies, ensuring safe germicidal intensity levels.
Scientific Research
Researchers use it for optical characterisation of UVC sources, germicidal material testing, and photonics experiments requiring high sensitivity.
Aerospace and Defence
Its rugged design and wide operating range make it suitable for aerospace-grade UVC monitoring and defence safety systems.
Workplace and Public Safety
It integrates into occupational UVC exposure meters and portable safety monitors, ensuring compliance with safety regulations.
By delivering extra-large active area sensitivity, rugged reliability, and UVC-only detection, the SG01L-C5UVC is a versatile solution for industrial, medical, and scientific UVC monitoring.
Why Choose United Spectrum Instruments?
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Exclusive distributor of SGLUX UVC photodiodes in India
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Local inventory ensures fast delivery and reduced lead times
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Competitive pricing across healthcare, industrial, and research markets
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Application-specific consultation for UVC integration and monitoring projects
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Nationwide after-sales service, training, and technical support
FAQs
What spectral range does the SG01L-C5UVC detect?
It covers UVC radiation between 220–280 nm.
What is the size of its active area?
It has an extra-large 10.0 mm² active area for maximum photocurrent sensitivity.
Does it eliminate visible and IR interference?
Yes, it provides complete visible blindness for pure UVC detection.
Can it be used in extreme conditions?
Yes, it operates reliably between −55 °C and +170 °C.
How does United Spectrum support Indian customers?
By offering local stock, fast delivery, expert consultation, and nationwide after-sales service.
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FAQs
What spectral range does the SG01L-C5UVC detect?
It covers UVC radiation between 220–280 nm.
What is the size of its active area?
It has an extra-large 10.0 mm² active area for maximum photocurrent sensitivity.
Does it eliminate visible and IR interference?
Yes, it provides complete visible blindness for pure UVC detection.
Can it be used in extreme conditions?
Yes, it operates reliably between −55 °C and +170 °C.
How does United Spectrum support Indian customers?
By offering local stock, fast delivery, expert consultation, and nationwide after-sales service.
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