UVC Photodiode – SG01S-C18ISO90UVC
The SG01S-C18DUVC is a Silicon Carbide (SiC)-based dual-band UVC photodiode designed for highly accurate detection in the germicidal wavelength range of 220–280 nm. Its compact...
UVC Photodiode – SG01S-C18ISO90UVC
Rugged Compact UVC Photodiode with ISO90 Encapsulation for Industrial, Medical, Environmental, and Scientific Applications
The SG01S-C18DUVC is a Silicon Carbide (SiC)-based dual-band UVC photodiode designed for highly accurate detection in the germicidal wavelength range of 220–280 nm. Its compact 0.06 mm² active area makes it ideal for portable instruments and embedded systems where space is limited but accuracy is essential. Offering peak responsivity of 0.10 A/W at 265 nm, the SG01S-C18DUVC delivers exceptional sensitivity for sterilisation and disinfection monitoring. Its dual-band design enhances performance in applications requiring wavelength-selective UVC measurement. With ultra-low dark current (0.1 fA) and capacitance of 15 pF, the device ensures noise-free operation and fast response times. Complete visible blindness eliminates interference from visible and infrared radiation, providing pure UVC-only detection. Operating reliably across −55 °C to +170 °C, the SG01S-C18DUVC is suitable for demanding conditions. Applications include germicidal lamp validation, UVC LED monitoring, water and air purification systems, environmental research, and safety compliance.
Understanding UVC Photodiode - SG01S-C18ISO90UVC
The SG01S-C18DUVC is a compact UVC photodiode optimised for detecting germicidal radiation between 220–280 nm, with peak responsivity at 265 nm. Its dual-band architecture enhances wavelength selectivity, enabling precise monitoring of UVC sources such as LEDs and mercury lamps. The 0.06 mm² active area allows seamless integration into compact devices, while Silicon Carbide ensures complete visible blindness for pure UVC detection. With ultra-low dark current (0.1 fA) and capacitance of 15 pF, the photodiode provides stable, noise-free signals with fast response times. Capable of operating between −55 °C and +170 °C, it delivers durable, long-term reliability in industrial, medical, and research environments.
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
UVC-Specific Responsivity
The SG01S-C18DUVC is engineered for the germicidal UVC range (220–280 nm), offering peak sensitivity at 265 nm, which is ideal for disinfection validation and sterilisation systems.
Dual-Band Architecture
Its dual-band capability provides selective monitoring of UVC sources, enhancing precision for advanced applications like LED characterisation and lamp calibration.
Compact Active Area
The 0.06 mm² active area ensures compatibility with portable and embedded systems, making it suitable for miniaturised devices.
High Signal Purity
The SiC structure guarantees visible blindness, ensuring that only UVC radiation is detected, free from IR and visible interference.
Noise-Free and Stable Signals
An ultra-low dark current of 0.1 fA ensures highly stable, noise-free output, even in sensitive UVC measurement setups.
Fast Response Performance
Capacitance of 15 pF allows rapid response times, essential for real-time UVC monitoring in dynamic systems.
Rugged Thermal Reliability
The SG01S-C18DUVC can operate in extreme environments from −55 °C to +170 °C, making it suitable for aerospace and industrial use.
Long-Term Durability
SiC material ensures resistance to UVC degradation, reducing recalibration needs and providing consistent performance over years of operation.
By combining dual-band design, compact integration, and rugged reliability, the SG01S-C18DUVC is an excellent choice for precision UVC detection.
Applications Across Industries
Medical and Healthcare
The SG01S-C18DUVC is applied in monitoring germicidal UVC lamps and LEDs for sterilisation, disinfection of hospital environments, and phototherapy calibration.
Industrial Applications
It validates UVC sterilisation processes in cleanrooms, food packaging, and pharmaceutical manufacturing, ensuring compliance with safety standards.
Environmental Monitoring
The device supports UVC studies in air and water purification systems, and atmospheric UVC measurement for research.
Scientific Research
Researchers employ it in optical characterisation of UVC sources, material testing, and photonics experiments requiring wavelength-specific precision.
Aerospace and Defence
With wide thermal tolerance, it is suitable for aerospace-grade UV systems, flame detection, and safety monitoring in defence.
Workplace and Public Safety
Its compact size allows integration into portable UVC detection devices for monitoring radiation exposure in public or industrial environments.
By offering dual-band precision, compact integration, and stable performance, the SG01S-C18DUVC is a trusted solution for sterilisation, disinfection, and safety monitoring.
Why Choose United Spectrum Instruments?
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Exclusive distributor of SGLUX UVC photodiodes in India
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Local stock for quick delivery and shorter lead times
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Competitive pricing for medical, industrial, and scientific sectors
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Application-specific consultation for LED and lamp-based UVC systems
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Nationwide technical support, training, and after-sales service
FAQs
What spectral range does the SG01S-C18DUVC cover?
It detects UVC radiation between 220–280 nm.
What is unique about its dual-band design?
It allows wavelength-selective UVC monitoring for precise LED and lamp characterisation.
What is its active area size?
It features a compact 0.06 mm² active area for easy integration.
Can it withstand harsh environments?
Yes, it operates reliably from −55 °C to +170 °C.
How does United Spectrum support Indian customers?
By offering local stock, competitive pricing, expert consultation, and nationwide service.
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FAQs
What spectral range does the SG01S-C18DUVC cover?
It detects UVC radiation between 220–280 nm.
What is unique about its dual-band design?
It allows wavelength-selective UVC monitoring for precise LED and lamp characterisation.
What is its active area size?
It features a compact 0.06 mm² active area for easy integration.
Can it withstand harsh environments?
Yes, it operates reliably from −55 °C to +170 °C.
How does United Spectrum support Indian customers?
By offering local stock, competitive pricing, expert consultation, and nationwide service.
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