UVA Photodiode – SG01S-A5UVA
The SG01S-A5UVA is a Silicon Carbide (SiC) UV photodiode designed specifically for selective UVA detection, ensuring high accuracy and complete suppression of visible and infrared...
UVA Photodiode – SG01S-A5UVA
Compact UVA Photodiode for Precision Detection in Industrial, Medical, Environmental, and Scientific Monitoring Applications
The SG01S-A5UVA is a Silicon Carbide (SiC) UV photodiode designed specifically for selective UVA detection, ensuring high accuracy and complete suppression of visible and infrared interference. With a peak responsivity of 0.12 A/W at 330 nm and sensitivity range from 315–400 nm, it provides reliable performance in UVA-specific applications such as sterilisation validation, UVA curing, and medical diagnostics. The photodiode features a compact 0.03 mm² active area, enabling integration into space-constrained devices and portable monitoring systems without compromising sensitivity. With an ultra-low dark current of 0.1 fA and capacitance of 7 pF, it guarantees noise-free operation and rapid response for real-time monitoring. Designed to perform across a wide thermal range (−55 °C to +170 °C), the SG01S-A5UVA is suitable for industrial, aerospace, and research environments. Combining compactness, UVA selectivity, and reliability, it delivers precise ultraviolet measurement for mission-critical monitoring tasks.
Understanding UVA Photodiode - SG01S-A5UVA
The SG01S-A5UVA is a compact UVA photodiode engineered for precise ultraviolet detection within 315–400 nm. With peak responsivity at 330 nm, it targets UVA applications exclusively, ensuring measurements are not affected by UVB, UVC, visible, or IR light. Its 0.03 mm² active area provides excellent integration flexibility for portable devices, embedded systems, and compact UV monitoring solutions. Featuring an ultra-low dark current of 0.1 fA and low capacitance of 7 pF, the device ensures high signal clarity and fast response times. Operating between −55 °C and +170 °C, the SG01S-A5UVA is a rugged, durable solution for UVA-specific applications.
Technical Specifications
| Feature | Specification |
| Typical Responsivity at Peak Wavelength | 0.12 A/W |
| Wavelength of Max. Responsivity | 330 nm |
| Responsivity Range (UVA Specific) | 315 … 400 nm |
| Visible Blindness | > 10¹⁰ |
| Active Area | 0.03 mm² |
| Dark Current (1 V reverse bias) | 0.1 fA |
| Capacitance | 7 pF |
| Short Circuit (10 mW/cm² at peak) | 144 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
Compact Active Area for Flexible Integration
The SG01S-A5UVA offers a 0.03 mm² active area, enabling easy integration into compact or portable devices while maintaining accurate UVA detection.
UVA-Specific Responsivity
It provides precise sensitivity across 315–400 nm with peak detection at 330 nm, making it suitable for UVA curing, sterilisation, and exposure monitoring.
Noise-Free Performance
The device ensures clean, stable signals due to its ultra-low dark current of 0.1 fA, even in low-intensity UVA conditions.
Fast Response for Real-Time Applications
With a capacitance of 7 pF, the SG01S-A5UVA delivers rapid response times, making it ideal for monitoring dynamic UVA processes.
High Signal-to-Noise Ratio
The photodiode’s compact area, combined with excellent suppression of visible and IR light, ensures accurate UVA-only readings.
Wide Temperature Endurance
It operates reliably between −55 °C and +170 °C, ensuring suitability for aerospace, industrial, and medical environments.
Durable and Reliable
Constructed from SiC, it resists UV degradation, ensuring long-term stability and reduced maintenance.
By combining compact design, UVA selectivity, and rugged durability, the SG01S-A5UVA is a trusted sensor for UVA-specific applications in diverse sectors.
Applications Across Industries
Industrial UVA Curing
The SG01S-A5UVA is used in UVA curing systems for adhesives, inks, and coatings, where precise UVA detection ensures consistency and quality.
Medical and Healthcare Applications
It is used for UVA sterilisation monitoring, dosimetry, and medical device calibration, ensuring accurate UVA exposure levels in healthcare environments.
Environmental and Solar Monitoring
The sensor measures UVA radiation in atmospheric and solar studies, contributing to climate research and safety monitoring of UV exposure.
Laboratory and Research Applications
Researchers rely on it for precise UVA detection in photonics, material studies, and semiconductor research where narrow-band UV measurement is essential.
Aerospace and Defence
With its compact format and rugged design, it supports aerospace UV monitoring, arc detection, and defence applications requiring UVA precision.
Consumer and Workplace Safety
It can be integrated into devices that monitor UVA exposure in industrial workplaces, ensuring compliance with safety standards.
The SG01S-A5UVA provides precision, compact integration, and UVA-specific reliability, making it versatile across industries.
Why Choose United Spectrum Instruments?
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Official distributor of SGLUX UV photodiodes in India
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Local stock availability ensures quick delivery times
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Competitive pricing tailored to industrial and research needs
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Application-specific consultation and integration expertise
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Nationwide after-sales service, training, and technical support
FAQs
What is the active area of the SG01S-A5UVA?
It has a compact 0.03 mm² active area.
What is the peak responsivity wavelength?
It achieves peak responsivity of 0.12 A/W at 330 nm.
What is its UVA detection range?
It is designed for selective detection between 315–400 nm.
Can it operate in harsh conditions?
Yes, it performs reliably from −55 °C to +170 °C.
How does United Spectrum support customers in India?
United Spectrum offers expert consultation, fast delivery, and nationwide after-sales service.
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FAQs
What is the active area of the SG01S-A5UVA?
It has a compact 0.03 mm² active area.
What is the peak responsivity wavelength?
It achieves peak responsivity of 0.12 A/W at 330 nm.
What is its UVA detection range?
It is designed for selective detection between 315–400 nm.
Can it operate in harsh conditions?
Yes, it performs reliably from −55 °C to +170 °C.
How does United Spectrum support customers in India?
United Spectrum offers expert consultation, fast delivery, and nationwide after-sales service.
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