UVB+UVC Photodiode – SG01D-BC18ISO90
The SG01D-BC18ISO90 is a Silicon Carbide (SiC)-based broadband UV photodiode designed for selective detection of UVA, UVB, and UVC radiation in the 200–400 nm range....
UVB+UVC Photodiode – SG01D-BC18ISO90
Broadband UV Photodiode with ISO90 Encapsulation for Rugged Industrial, Aerospace, Environmental, and Medical Applications
The SG01D-BC18ISO90 is a Silicon Carbide (SiC)-based broadband UV photodiode designed for selective detection of UVA, UVB, and UVC radiation in the 200–400 nm range. With its 0.5 mm² active area, it delivers stronger photocurrents and enhanced sensitivity compared to compact detectors, making it ideal for demanding applications. The ISO90 encapsulation provides additional ruggedness, protecting the device against dust, moisture, and mechanical stress for long-term stability in outdoor and industrial environments. Featuring peak responsivity of 0.12 A/W at 330 nm, ultra-low dark current (0.2 fA), and capacitance of 25 pF, the SG01D-BC18ISO90 ensures high signal quality with low noise and fast response times. With an operating temperature range of −55 °C to +170 °C, it performs reliably in extreme environments, including aerospace and defence systems. Applications include flame detection, UV curing, sterilisation monitoring, solar radiation research, workplace safety, and photonics laboratories.
Understanding UVB+UVC Photodiode - SG01D-BC18ISO90
The SG01D-BC18ISO90 is a rugged broadband UV photodiode engineered for precision monitoring across the full 200–400 nm ultraviolet spectrum. It combines the sensitivity of a 0.5 mm² active area with the durability of ISO90 encapsulation, which protects against environmental contaminants and mechanical stress. Built on Silicon Carbide, it ensures visible blindness, providing pure UV detection without interference. With ultra-low dark current (0.2 fA) and capacitance of 25 pF, it delivers noise-free signals and rapid response for real-time monitoring. Operating from −55 °C to +170 °C, the SG01D-BC18ISO90 is well-suited for aerospace, industrial, medical, and environmental UV detection applications.
Technical Specifications
| Feature | Specification |
| Spectral Range (Broadband UV) | 200 … 400 nm |
| Peak Responsivity | 0.12 A/W (typical) |
| Visible Blindness | > 10¹⁰ |
| Active Area | 0.5 mm² |
| Dark Current (1 V reverse bias) | 0.2 fA |
| Capacitance | 25 pF |
| Short Circuit (10 mW/cm² at peak) | 2.4 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
Broadband UV Sensitivity
The SG01D-BC18ISO90 detects UVA, UVB, and UVC radiation (200–400 nm), making it suitable for a wide range of ultraviolet monitoring applications.
ISO90 Encapsulation for Rugged Use
The ISO90 encapsulation provides enhanced durability against moisture, dust, and mechanical stress, ensuring stable long-term performance in industrial and outdoor environments.
Medium-Large Active Area
Its 0.5 mm² active area provides higher sensitivity and stronger photocurrents compared to compact detectors, ideal for high-reliability applications.
High Signal Quality
The ultra-low dark current (0.2 fA) ensures clean, noise-free signal acquisition, even in low-light conditions.
Fast Response Capability
With 25 pF capacitance, the photodiode offers rapid response times, enabling real-time UV monitoring in dynamic systems.
Wide Temperature Resilience
Operating from −55 °C to +170 °C, the device is designed to function in aerospace, defence, and extreme industrial environments.
Long-Term Stability
SiC technology provides inherent resistance to UV degradation, minimising calibration drift and ensuring reliability in long-duration deployments.
By combining rugged ISO90 encapsulation, broadband UV sensitivity, and long-term stability, the SG01D-BC18ISO90 is a trusted photodiode for mission-critical UV applications.
Applications Across Industries
Industrial UV Monitoring
The SG01D-BC18ISO90 supports UV curing, disinfection, and sterilisation systems, providing reliable broadband UV detection in harsh factory environments.
Medical and Healthcare
It ensures accurate monitoring in sterilisation systems, phototherapy calibration, and broadband UV dosimetry, supporting safe medical practices.
Environmental and Solar Monitoring
With ISO90 ruggedness, it is suitable for outdoor installations, monitoring solar UV radiation, ozone studies, and atmospheric science.
Scientific and Laboratory Research
The detector’s broadband sensitivity is valuable for photonics experiments, material testing, and semiconductor research requiring full UV spectrum detection.
Aerospace and Defence
ISO90 encapsulation and thermal resilience make it ideal for aerospace flame detection, arc sensing, and UV monitoring in defence systems.
Workplace and Consumer Safety
It can be integrated into monitoring systems to ensure worker safety against UVA, UVB, and UVC exposure.
By combining broadband UV coverage, encapsulated ruggedness, and stable performance, the SG01D-BC18ISO90 is a versatile solution for critical UV detection tasks.
Why Choose United Spectrum Instruments?
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Authorised distributor of SGLUX UV photodiodes in India
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Local stock ensures fast delivery and shorter lead times
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Competitive pricing for industrial, medical, and research users
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Expert consultation for application-specific integration and custom solutions
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Nationwide after-sales service, technical support, and training
FAQs
What spectral range does the SG01D-BC18ISO90 cover?
It detects broadband UV across 200–400 nm (UVA, UVB, UVC).
What is the advantage of ISO90 encapsulation?
It protects against dust, moisture, and stress, ensuring rugged reliability in harsh environments.
What is the active area size?
The device has a 0.5 mm² active area for enhanced sensitivity.
Can it withstand extreme environments?
Yes, it operates reliably from −55 °C to +170 °C.
How does United Spectrum support Indian customers?
By offering fast delivery, competitive pricing, expert guidance, and nationwide after-sales service.
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FAQs
What spectral range does the SG01D-BC18ISO90 cover?
It detects broadband UV across 200–400 nm (UVA, UVB, UVC).
What is the advantage of ISO90 encapsulation?
It protects against dust, moisture, and stress, ensuring rugged reliability in harsh environments.
What is the active area size?
The device has a 0.5 mm² active area for enhanced sensitivity.
Can it withstand extreme environments?
Yes, it operates reliably from −55 °C to +170 °C.
How does United Spectrum support Indian customers?
By offering fast delivery, competitive pricing, expert guidance, and nationwide after-sales service.
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