UVC Photodiode – SG01L-C5DUVC
The SG01L-C5DUVC is a Silicon Carbide (SiC)-based dual-band photodiode engineered for accurate detection of germicidal UVC radiation between 220–280 nm. With an extra-large 10.0 mm²...
UVC Photodiode – SG01L-C5DUVC
Extra-Large Area Dual-Band UVC Photodiode for Industrial, Medical, Aerospace, Environmental, and Scientific Monitoring Applications
The SG01L-C5DUVC is a Silicon Carbide (SiC)-based dual-band photodiode engineered for accurate detection of germicidal UVC radiation between 220–280 nm. With an extra-large 10.0 mm² active area, it provides very strong photocurrents, making it ideal for applications that demand high sensitivity across large exposure surfaces. The dual-band design enhances spectral selectivity, ensuring superior precision in UVC LED characterisation, lamp calibration, and sterilisation monitoring. Delivering peak responsivity of 0.10 A/W at 265 nm, the SG01L-C5DUVC combines ultra-low dark current (0.1 fA) with high capacitance (1000 pF) to provide noise-free, stable signals and reliable responsiveness. Built with SiC technology, it guarantees complete visible blindness, ensuring interference-free UVC-only detection. Rugged and durable, it operates across −55 °C to +170 °C, making it suitable for demanding applications in medical, industrial, aerospace, and scientific environments. The SG01L-C5DUVC represents a robust solution for mission-critical UVC monitoring.
Understanding UVC Photodiode - SG01L-C5DUVC
The SG01L-C5DUVC is a dual-band Silicon Carbide photodiode designed for large-area germicidal UVC monitoring in the 220–280 nm range. With its extra-large 10.0 mm² active area, it provides maximum photocurrent sensitivity, ideal for applications with wide-beam UVC exposure. The dual-band design enhances wavelength selectivity, making it effective for UVC LED calibration and sterilisation validation. With ultra-low dark current (0.1 fA) and capacitance of 1000 pF, it produces noise-free, stable, and responsive signals. Complete visible blindness ensures pure UVC detection without IR or visible interference. Rugged and reliable, it operates from −55 °C to +170 °C, ensuring long-term stability.
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 |
| Design | Dual-band UVC detection |
Key Features and Advantages
Dual-Band Detection for Enhanced Selectivity
The SG01L-C5DUVC is engineered with a dual-band design, providing superior spectral selectivity for accurate UVC monitoring. This feature is particularly important for distinguishing wavelengths during UVC LED characterisation and germicidal lamp calibration.
Extra-Large Active Area
Its 10.0 mm² active area ensures maximum photocurrent generation, making it effective for wide-beam exposure and environments where high sensitivity is critical.
UVC-Specific Responsivity
The photodiode is optimised for the germicidal range of 220–280 nm, with peak responsivity at 265 nm, enabling precision sterilisation and disinfection monitoring.
Noise-Free Signal Performance
Ultra-low dark current (0.1 fA) ensures clean, stable signals, essential for sensitive monitoring and scientific measurements.
Fast Response Capability
With a capacitance of 1000 pF, the device delivers responsive signals, supporting real-time safety monitoring and automated disinfection systems.
Complete Visible Blindness
Constructed from Silicon Carbide, the SG01L-C5DUVC rejects visible and IR light entirely, ensuring interference-free UVC detection.
Rugged Environmental Reliability
Operating from −55 °C to +170 °C, it is suitable for harsh industrial, aerospace, and defence conditions.
Durability and Longevity
Its SiC design resists UVC degradation, ensuring long-term stability and calibration accuracy even under continuous exposure.
By combining dual-band spectral precision, extra-large sensitivity, and rugged durability, the SG01L-C5DUVC is an ideal solution for critical UVC monitoring applications.
Applications Across Industries
Medical and Healthcare
The SG01L-C5DUVC ensures precise sterilisation monitoring in hospitals, laboratories, and medical equipment disinfection systems.
Industrial Sterilisation
It validates high-power UVC LED and lamp-based disinfection systems used in pharmaceuticals, packaging, and cleanrooms.
Environmental Monitoring
The photodiode supports UVC-based air sterilisation, water purification, and environmental exposure studies for compliance with safety standards.
Scientific Research
Researchers employ it for wavelength-specific UVC LED analysis, germicidal lamp calibration, and advanced photonics research.
Aerospace and Defence
Its rugged build and wide thermal range make it a reliable choice for aerospace-grade UVC safety monitoring systems.
Workplace and Public Safety
Integrated into UVC exposure meters and safety devices, it ensures workplace compliance with germicidal exposure regulations.
By offering dual-band precision, large-area sensitivity, and rugged reliability, the SG01L-C5DUVC is a trusted photodiode across multiple industries.
Why Choose United Spectrum Instruments?
Exclusive distributor of SGLUX UVC photodiodes in India
Local stock ensures faster delivery and reduced lead times
Competitive pricing across healthcare, industrial, and research markets
Expert consultation for UVC monitoring and system integration
Nationwide after-sales service, technical support, and training
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FAQs
What spectral range does the SG01L-C5DUVC detect?
It covers UVC radiation from 220–280 nm.
What is unique about its dual-band design?
It enhances selectivity and accuracy for UVC LED characterisation and germicidal monitoring.
How large is its active area?
It has an extra-large 10.0 mm² active area for strong photocurrents.
Can it operate in harsh environments?
Yes, it functions reliably from −55 °C to +170 °C.
How does United Spectrum support Indian customers?
By offering local stock, quick delivery, expert consultation, and nationwide after-sales service.
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