Optical Sensors & Detector – UV Photodiodes
UVC Photodiode – SG01D-C18ISO90UVC
Large-Area Rugged UVC Photodiode with ISO90 Encapsulation for Industrial, Medical, Aerospace, and Scientific Applications
The SG01D-C18ISO90UVC is a Silicon Carbide (SiC)-based UVC photodiode designed for precision detection of germicidal wavelengths in the 220–280 nm range. With a large 2.0 mm² active area, it provides maximum sensitivity and strong photocurrents, making it ideal for systems requiring high detection accuracy. ISO90 encapsulation adds robustness, protecting the device from dust, humidity, and mechanical stress, ensuring long-term reliability even in demanding environments. Delivering peak responsivity of 0.10 A/W at 265 nm, ultra-low dark current (0.1 fA), and capacitance of 200 pF, the SG01D-C18ISO90UVC ensures stable, noise-free signals and fast responsiveness. Its visible blindness eliminates interference from visible and infrared light, allowing pure UVC-only detection. Operating across −55 °C to +170 °C, this rugged photodiode is suitable for sterilisation monitoring, lamp validation, UVC LED testing, aerospace safety, and environmental purification systems. The SG01D-C18ISO90UVC combines large-area sensitivity and rugged ISO90 protection for mission-critical germicidal monitoring.
Understanding UVC Photodiode - SG01D-C18ISO90UVC
The SG01D-C18ISO90UVC is a rugged large-area photodiode tailored for detecting UVC radiation between 220–280 nm, with peak sensitivity at 265 nm. Its 2.0 mm² active area ensures maximum photocurrents, making it suitable for low-intensity UVC environments and high-sensitivity applications. ISO90 encapsulation enhances protection against dust, humidity, and physical stress, extending durability in industrial and outdoor conditions. With ultra-low dark current (0.1 fA) and capacitance of 200 pF, it offers noise-free signals and fast responsiveness. Built with Silicon Carbide, it guarantees complete visible blindness, ensuring pure UVC detection. Reliable from −55 °C to +170 °C, it is ideal for medical, industrial, and aerospace systems.
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 |
| 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 |
| Encapsulation |
ISO90 rugged package
|
Key Features and Advantages
UVC-Specific Responsivity
The SG01D-C18ISO90UVC detects radiation in the 220–280 nm germicidal range, peaking at 265 nm for maximum disinfection accuracy.
Large Active Area for High Sensitivity
Its 2.0 mm² active area provides high photocurrents, making it suitable for applications that require maximum sensitivity, even under low UVC intensities.
ISO90 Rugged Encapsulation
Encapsulation ensures protection from dust, humidity, and mechanical stress, extending operational life in demanding environments.
Pure UVC Detection
The Silicon Carbide design ensures complete visible blindness, eliminating interference from visible and infrared light.
Stable, Noise-Free Output
With an ultra-low dark current of 0.1 fA, it provides clean, noise-free signals essential for sensitive UVC measurements.
Fast Response Times
Its 200 pF capacitance supports quick response, making it effective for real-time UVC monitoring systems.
Thermal Reliability
Capable of operating across −55 °C to +170 °C, it ensures stable performance in aerospace, defence, and industrial environments.
Long-Term Durability
SiC construction resists UVC degradation, maintaining calibration accuracy over years of operation.
By combining large-area responsivity, rugged ISO90 encapsulation, and thermal reliability, the SG01D-C18ISO90UVC is a trusted solution for mission-critical germicidal monitoring.
Applications Across Industries
Medical and Healthcare
The SG01D-C18ISO90UVC is widely used in sterilisation monitoring, disinfection systems, and phototherapy calibration for medical facilities.
Industrial Sterilisation
It validates UVC LED and lamp-based disinfection in cleanrooms, food packaging, and pharmaceutical production lines.
Environmental Safety
This photodiode is used for monitoring UVC water purification, air sterilisation, and environmental radiation safety systems.
Scientific Research
Researchers employ it for germicidal optical characterisation, UVC lamp calibration, and photonics experiments.
Aerospace and Defence
With ISO90 ruggedness and wide temperature tolerance, it suits aerospace-grade UVC detection and defence safety systems.
Workplace and Public Safety
It integrates into occupational UVC exposure monitors and safety devices, ensuring compliance with exposure standards in labs and industries.
By offering rugged ISO90 durability, large-area responsivity, and wavelength-selective detection, the SG01D-C18ISO90UVC is an ideal photodiode for safety, monitoring, and disinfection across industries.
Why Choose United Spectrum Instruments?
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Exclusive distributor of SGLUX UVC photodiodes in India
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Local inventory for reduced lead times and fast delivery
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Competitive pricing for healthcare, industrial, and research sectors
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Expert consultation for UVC monitoring and integration applications
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Nationwide after-sales support, training, and technical service
FAQs
What spectral range does the SG01D-C18ISO90UVC cover?
It detects UVC radiation from 220–280 nm.
What is its active area size?
It has a large 2.0 mm² active area for maximum sensitivity.
What advantage does ISO90 encapsulation provide?
It enhances durability by protecting against moisture, dust, and mechanical stress.
Can it operate in extreme conditions?
Yes, it performs reliably from −55 °C to +170 °C.
How does United Spectrum support Indian customers?
By offering local stock, fast delivery, technical consultation, and nationwide after-sales service.
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FAQs
What spectral range does the SG01D-C18ISO90UVC cover?
It detects UVC radiation from 220–280 nm.
What is its active area size?
It has a large 2.0 mm² active area for maximum sensitivity.
What advantage does ISO90 encapsulation provide?
It enhances durability by protecting against moisture, dust, and mechanical stress.
Can it operate in extreme conditions?
Yes, it performs reliably from −55 °C to +170 °C.
How does United Spectrum support Indian customers?
By offering local stock, fast delivery, technical consultation, and nationwide after-sales service.
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