Broadband UV Photodiode – SG01M-18
The SG01M-18 is a broadband UV photodiode developed with Silicon Carbide (SiC) technology and offered in a durable metal package. It provides superior UV sensitivity...
Broadband UV Photodiode – SG01M-18
Metal-Packaged Silicon Carbide UV Detector for High Stability, Precision Monitoring, Industrial and Research Applications
The SG01M-18 is a broadband UV photodiode developed with Silicon Carbide (SiC) technology and offered in a durable metal package. It provides superior UV sensitivity across the 221–358 nm range with a peak responsivity of 0.160 A/W at 280 nm. With excellent visible blindness, it guarantees pure UV detection, eliminating interference from visible or infrared sources. Featuring an active area of 0.06 mm², it combines compact integration with long-term stability and reliability. The ultra-low dark current of 0.2 fA and capacitance of 15 pF ensure a high signal-to-noise ratio and fast response. The robust metal housing enhances mechanical strength, thermal stability, and environmental resistance, making it suitable for harsh operating conditions from −55 °C to +170 °C. The SG01M-18 is ideal for applications such as flame detection, UV curing, ozone and solar monitoring, medical sterilisation validation, semiconductor testing, aerospace sensing, and research laboratories requiring precise ultraviolet detection.
Understanding Broadband UV Photodiode - SG01M-18
The SG01M-18 broadband UV photodiode integrates Silicon Carbide (SiC) UV detection technology into a durable metal housing, providing precise ultraviolet measurement in industrial and scientific applications. With responsivity peaking at 280 nm and a wide operating range, it delivers stable and accurate results while rejecting visible and infrared light. The 0.06 mm² active area offers a balance between compact design and sensitivity, while its low dark current ensures noise-free detection. The rugged metal package improves environmental resilience and thermal management, ensuring long operational life even in demanding applications such as aerospace monitoring, medical instrumentation, and flame detection systems.
Technical Specifications
| Feature | Specification |
| Typical Responsivity at Peak Wavelength | 0.160 A/W |
| Wavelength of Max. Responsivity | 280 nm |
| Responsivity Range (S = 0.1 × Smax) | 221 … 358 nm |
| Visible Blindness (Smax / S>405 nm) | > 10¹⁰ |
| Active Area | 0.06 mm² |
| Dark Current (1 V reverse bias) | 0.2 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
Silicon Carbide Technology
The SG01M-18 leverages wide-bandgap Silicon Carbide (SiC) to deliver excellent UV selectivity, ensuring high responsivity in the ultraviolet spectrum while naturally rejecting visible and infrared light.
High Sensitivity with Low Noise
Offering a peak responsivity of 0.160 A/W at 280 nm and an ultra-low dark current of 0.2 fA, the device achieves high signal-to-noise performance, suitable for weak and strong UV sources alike.
Metal Package Durability
Its metal housing enhances mechanical strength, thermal stability, and environmental resilience. This packaging allows reliable performance in harsh conditions where plastic or ceramic packages may degrade.
Compact Active Area for Integration
With an active area of 0.06 mm², the SG01M-18 supports easy integration into compact systems while maintaining sufficient sensitivity for precise measurements.
Thermal and Environmental Stability
The photodiode operates consistently across a wide temperature range of −55 °C to +170 °C. Its resilience makes it suitable for outdoor monitoring, industrial environments, and aerospace missions.
Long-Term Reliability
The device resists UV degradation, ensuring stable responsivity over long-term exposure. This makes it a dependable choice for continuous monitoring systems.
In essence, the SG01M-18 combines precision, durability, and versatility, delivering dependable UV sensing performance for mission-critical industrial and scientific applications.
Applications Across Industries
Environmental Monitoring
The SG01M-18 is used in solar UV radiation measurement, ozone monitoring, and atmospheric studies. Its visible blindness ensures accurate UV readings free from environmental light interference, making it valuable for climate and pollution analysis.
Industrial Flame Detection
The detector is integrated into flame detection and fire safety systems in petrochemical, manufacturing, and energy industries. Its fast UV response allows for early flame recognition, protecting people and assets.
Medical and Laboratory Applications
It supports applications such as UV dosimetry, sterilisation monitoring, and calibration of phototherapy equipment. Its accuracy ensures patient and operator safety while enabling precise laboratory measurements.
UV Curing and Industrial Manufacturing
In printing, adhesive curing, and coating industries, the SG01M-18 enables accurate process monitoring. Its sensitivity helps optimise curing efficiency and maintain consistent production quality.
Photonics and Semiconductor Research
Research labs use the SG01M-18 for testing UV-sensitive semiconductor materials and developing photonic devices. Its stable performance contributes to advancing optical technology innovation.
Aerospace and Defence
The rugged metal package and extreme temperature tolerance make the SG01M-18 suitable for aerospace and defence applications. It is used for arc detection, solar UV monitoring, and mission-critical environmental sensing.
By covering such diverse applications, the SG01M-18 establishes itself as a versatile and reliable UV photodiode across industries.
Why Choose United Spectrum Instruments?
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Exclusive distributor of SGLUX UV photodiodes in India
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Competitive pricing with reliable local stock availability
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Fast delivery and pan-India customer support
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Expert guidance for application-specific integration and setup
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Comprehensive after-sales service and technical consultation for research and industry
FAQs
What is the peak responsivity of the SG01M-18?
It reaches 0.160 A/W at 280 nm.
How does the metal package improve performance?
It enhances durability, thermal stability, and environmental resistance compared to standard housings.
What industries commonly use the SG01M-18?
It is used in environmental monitoring, flame detection, UV curing, aerospace, and semiconductor research.
What is the operating temperature range?
The device operates reliably from −55 °C to +170 °C.
How does United Spectrum support Indian customers?
United Spectrum provides local stock, fast delivery, expert consultation, and complete after-sales support.
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FAQs
What is the peak responsivity of the SG01M-18?
It reaches 0.160 A/W at 280 nm.
How does the metal package improve performance?
It enhances durability, thermal stability, and environmental resistance compared to standard housings.
What industries commonly use the SG01M-18?
It is used in environmental monitoring, flame detection, UV curing, aerospace, and semiconductor research.
What is the operating temperature range?
The device operates reliably from −55 °C to +170 °C.
How does United Spectrum support Indian customers?
United Spectrum provides local stock, fast delivery, expert consultation, and complete after-sales support.
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