UVA Photodiode – SG01D-A5UVA
The SG01D-A5UVA is a Silicon Carbide (SiC) photodiode optimised for precise UVA detection between 315–400 nm, with peak responsivity at 330 nm. Featuring a compact...
UVA Photodiode – SG01D-A5UVA
Compact UVA Photodiode for Precision Detection in Industrial, Environmental, Medical, Aerospace, and Scientific Applications
The SG01D-A5UVA is a Silicon Carbide (SiC) photodiode optimised for precise UVA detection between 315–400 nm, with peak responsivity at 330 nm. Featuring a compact 0.2 mm² active area, it provides excellent sensitivity while enabling seamless integration into portable devices, embedded systems, and compact monitoring instruments. With a responsivity of 0.12 A/W at 330 nm, ultra-low dark current (0.1 fA), and capacitance of 10 pF, the SG01D-A5UVA guarantees noise-free performance and fast response times, even in low-intensity UVA conditions. Its rugged design and broad operating temperature range (−55 °C to +170 °C) make it ideal for use in demanding industrial, aerospace, and environmental environments. Typical applications include UVA curing process control, sterilisation monitoring, solar radiation studies, photonics research, and workplace safety systems. Combining compact design, selective UVA response, and reliable durability, the SG01D-A5UVA is a trusted solution for precision ultraviolet monitoring.
Understanding UVA Photodiode - SG01D-A5UVA
The SG01D-A5UVA is a compact UVA photodiode designed for selective ultraviolet detection within 315–400 nm, with peak responsivity at 330 nm. Its 0.2 mm² active area provides a balance of compactness and sensitivity, making it suitable for portable or embedded UVA monitoring devices. With ultra-low dark current (0.1 fA) and low capacitance (10 pF), the device delivers noise-free signals and rapid response times for real-time monitoring. Rugged Silicon Carbide construction ensures stability against UVA degradation, while its wide thermal range (−55 °C to +170 °C) supports reliable performance in aerospace, defence, industrial, and scientific applications requiring long-term UVA precision.
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 | 0.2 mm² |
| Dark Current (1 V reverse bias) | 0.1 fA |
| Capacitance | 10 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
Compact Active Area for Integration
The SG01D-A5UVA features a 0.2 mm² active area, making it ideal for applications where compactness and portability are critical.
UVA-Optimised Responsivity
Covering 315–400 nm with peak responsivity at 330 nm, it ensures selective UVA measurement while blocking UVB, UVC, visible, and IR radiation.
High Signal-to-Noise Ratio
An ultra-low dark current of 0.1 fA guarantees clean, stable signals for high-precision UVA monitoring.
Fast Response for Real-Time Applications
The low capacitance of 10 pF supports rapid signal response, making it effective in dynamic UVA curing and sterilisation control.
Wide Temperature Range
Operating between −55 °C and +170 °C, the SG01D-A5UVA performs reliably under extreme industrial, aerospace, and defence conditions.
Durable SiC Construction
Its Silicon Carbide material ensures resistance to UVA degradation, ensuring long-term stability with minimal recalibration.
Versatile Application Fit
Balancing compactness with strong UVA performance, it is suitable for portable devices, laboratory instruments, and industrial systems alike.
By combining compact design, UVA precision, and rugged durability, the SG01D-A5UVA delivers dependable ultraviolet monitoring in diverse fields.
Applications Across Industries
Industrial UVA Curing
The SG01D-A5UVA ensures reliable UVA monitoring in curing processes for adhesives, inks, and coatings, optimising quality and efficiency.
Medical and Healthcare Applications
It is applied in sterilisation monitoring, UVA dosimetry, and phototherapy calibration, supporting accurate healthcare UVA measurements.
Environmental and Solar Monitoring
The photodiode is suitable for solar radiation studies, atmospheric research, and long-term UVA exposure monitoring in climate science.
Laboratory and Scientific Research
Researchers use the SG01D-A5UVA for photonics experiments and material testing requiring precise UVA-specific detection.
Aerospace and Defence
Its rugged design and temperature resilience make it ideal for aerospace UV sensing, arc detection, and military-grade monitoring.
Workplace Safety
It can be integrated into industrial UVA exposure monitoring devices, ensuring compliance with occupational safety regulations.
By combining compact design, high responsiveness, and UVA-specific accuracy, the SG01D-A5UVA is versatile across industries.
Why Choose United Spectrum Instruments?
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Official distributor of SGLUX UVA photodiodes in India
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Local stock ensures reduced lead times and quick delivery
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Competitive pricing for industrial, research, and defence clients
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Application-specific guidance and integration expertise
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Pan-India technical support, training, and after-sales service
FAQs
What is the active area of the SG01D-A5UVA?
It has a compact 0.2 mm² active area.
What is its peak responsivity?
The device achieves 0.12 A/W at 330 nm.
What is the UVA detection range?
It is designed for selective UVA monitoring between 315–400 nm.
Can it operate in extreme conditions?
Yes, it functions reliably between −55 °C and +170 °C.
How does United Spectrum support Indian customers?
By offering expert advice, fast delivery, and nationwide after-sales service.
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FAQs
What is the active area of the SG01D-A5UVA?
It has a compact 0.2 mm² active area.
What is its peak responsivity?
The device achieves 0.12 A/W at 330 nm.
What is the UVA detection range?
It is designed for selective UVA monitoring between 315–400 nm.
Can it operate in extreme conditions?
Yes, it functions reliably between −55 °C and +170 °C.
How does United Spectrum support Indian customers?
By offering expert advice, fast delivery, and nationwide after-sales service.
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