UVC Photodiode – SG01S-C18-LED
The SG01S-C18-LED is a Silicon Carbide (SiC)-based photodiode specifically engineered for monitoring UVC LED sources in the germicidal wavelength range of 220–280 nm. With a...
UVC Photodiode – SG01S-C18-LED
Compact UVC LED Monitoring Photodiode for Industrial, Medical, Environmental, and Scientific Sterilisation Applications
The SG01S-C18-LED is a Silicon Carbide (SiC)-based photodiode specifically engineered for monitoring UVC LED sources in the germicidal wavelength range of 220–280 nm. With a compact 0.06 mm² active area, it is ideal for portable devices, embedded systems, and compact modules requiring high accuracy. Optimised for UVC LEDs, the device delivers peak responsivity of 0.10 A/W at 265 nm, ensuring precise monitoring of disinfection and sterilisation processes. Featuring ultra-low dark current (0.1 fA) and capacitance of 15 pF, the SG01S-C18-LED provides noise-free operation and fast response for real-time lamp performance validation. Its inherent visible blindness completely suppresses interference from visible and infrared light, guaranteeing pure UVC detection. Designed for rugged reliability, the photodiode operates from −55 °C to +170 °C. Applications include UVC LED lamp monitoring, air and water sterilisation validation, healthcare safety systems, and photonics research. The SG01S-C18-LED ensures reliable, compact, and accurate UVC LED monitoring.
Understanding UVC Photodiode - SG01S-C18-LED
The SG01S-C18-LED is tailored for UVC LED monitoring, covering the germicidal wavelength range of 220–280 nm, with peak sensitivity at 265 nm. Its 0.06 mm² active area ensures easy integration into small devices while delivering accurate and consistent readings. Built on SiC technology, it achieves complete visible blindness, enabling pure UVC-only measurements without IR interference. With ultra-low dark current (0.1 fA) and capacitance of 15 pF, it provides high signal-to-noise ratios and rapid responsiveness for real-time monitoring of LED performance. Operating reliably from −55 °C to +170 °C, the SG01S-C18-LED is ideal for medical, industrial, and environmental UVC LED 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 | 0.06 mm² |
| Dark Current (1 V reverse bias) | 0.1 fA |
| Capacitance | 15 pF |
| Short Circuit (10 mW/cm² at peak) | 960 nA |
| 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
Optimised for UVC LED Monitoring
The SG01S-C18-LED is designed to provide reliable detection and monitoring of UVC LED sources used in sterilisation and disinfection applications.
Compact Active Area
Its 0.06 mm² active area ensures seamless integration into portable instruments, embedded boards, and compact system designs.
High Accuracy with Peak Responsivity
The photodiode delivers peak responsivity of 0.10 A/W at 265 nm, ensuring precise germicidal monitoring of UVC LEDs.
Noise-Free Performance
With ultra-low dark current (0.1 fA), it guarantees stable and noise-free signals, essential for sensitive UVC LED detection.
Fast Response Time
A capacitance of 15 pF provides quick responsiveness, enabling real-time lamp monitoring and validation of sterilisation cycles.
Pure UVC Detection
Thanks to SiC construction, the photodiode eliminates visible and infrared interference, ensuring accurate UVC-only measurements.
Thermal Ruggedness
It operates across −55 °C to +170 °C, maintaining stable performance in both controlled and harsh environments.
Long-Term Reliability
SiC material ensures resistance to UV degradation, allowing long-lasting calibration stability for extended use in UVC monitoring systems.
By combining UVC LED optimisation, compact integration, and rugged durability, the SG01S-C18-LED is a dependable sensor for germicidal LED-based systems.
Applications Across Industries
Medical and Healthcare
The SG01S-C18-LED is widely used in monitoring UVC LEDs for sterilisation of instruments, hospital rooms, and air purification systems.
Industrial Disinfection
It validates UVC LED performance in air and surface disinfection systems used in cleanrooms and industrial facilities.
Environmental Applications
The device supports UVC LED-based water treatment systems and environmental sterilisation research.
Consumer and Public Safety Devices
Its compact design enables integration into portable UVC LED sterilisation devices, ensuring user safety and compliance.
Scientific Research
Researchers employ the SG01S-C18-LED for characterising UVC LED systems in photonics and optical studies.
Workplace Safety Monitoring
It helps ensure safe exposure levels by monitoring UVC LED sources in offices, laboratories, and production environments.
By delivering UVC LED-optimised responsivity, compact form factor, and rugged performance, the SG01S-C18-LED serves across diverse sterilisation and disinfection applications.
Why Choose United Spectrum Instruments?
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Official distributor of SGLUX UVC photodiodes in India
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Local stock for quick delivery and reduced lead times
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Competitive pricing for industrial, medical, and academic users
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Application-specific consultation for seamless UVC LED integration
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Nationwide technical support, training, and after-sales service
FAQs
What spectral range does the SG01S-C18-LED detect?
It covers 220–280 nm, optimised for UVC LEDs.
What is the peak responsivity of this photodiode?
It delivers 0.10 A/W at 265 nm.
Can it detect visible or IR light?
No, it offers complete visible blindness for pure UVC LED detection.
Is it suitable for portable devices?
Yes, its 0.06 mm² active area makes it ideal for compact systems.
How does United Spectrum support Indian customers?
By providing fast delivery, competitive pricing, expert consultation, and pan-India service.
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FAQs
What spectral range does the SG01S-C18-LED detect?
It covers 220–280 nm, optimised for UVC LEDs.
What is the peak responsivity of this photodiode?
It delivers 0.10 A/W at 265 nm.
Can it detect visible or IR light?
No, it offers complete visible blindness for pure UVC LED detection.
Is it suitable for portable devices?
Yes, its 0.06 mm² active area makes it ideal for compact systems.
How does United Spectrum support Indian customers?
By providing fast delivery, competitive pricing, expert consultation, and pan-India service.
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