Broadband UV Photodiode – SG01M6H-18
The SG01M6H-18 is a Silicon Carbide (SiC) UV photodiode engineered in a hexagonal metal housing for maximum stability, durability, and precision. Offering a peak responsivity...
Broadband UV Photodiode – SG01M6H-18
High-Reliability Hexagonal Metal-Packaged UV Detector for Extreme Temperature, Industrial, Aerospace and Scientific Applications
The SG01M6H-18 is a Silicon Carbide (SiC) UV photodiode engineered in a hexagonal metal housing for maximum stability, durability, and precision. Offering a peak responsivity of 0.160 A/W at 280 nm and a responsivity range from 221 to 358 nm, it provides accurate ultraviolet measurement with complete rejection of visible and infrared interference. The 0.06 mm² active area ensures a balance between sensitivity and compact integration, while the ultra-low dark current of 0.2 fA and capacitance of 15 pF guarantee low-noise, high signal-to-noise detection. With its extended operating range from −55 °C to +170 °C, the SG01M6H-18 is optimised for use in demanding environments. Its rugged hexagonal package enhances mechanical resilience, thermal stability, and environmental protection, making it a trusted solution for flame detection, UV curing control, aerospace UV monitoring, solar research, medical sterilisation, and advanced photonics R&D. This design ensures long-term reliability in mission-critical systems.
Understanding Broadband UV Photodiode - SG01M6H-18
The SG01M6H-18 broadband UV photodiode integrates SiC-based UV detection with a robust hexagonal metal package for superior resilience and performance. Delivering a responsivity peak of 0.160 A/W at 280 nm and covering the 221–358 nm range, it ensures clean ultraviolet measurements free from visible light interference. Its compact 0.06 mm² active area provides integration flexibility across industrial and research applications. With an ultra-low dark current of 0.2 fA and capacitance of 15 pF, it offers high signal-to-noise ratios and fast response. Its rugged design and ability to operate in temperatures from −55 °C to +170 °C make it suitable for extreme environments.
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 UV Detection
The SG01M6H-18 leverages SiC semiconductor material, offering broadband UV responsivity with excellent visible blindness. This ensures pure ultraviolet signal measurement without interference from ambient light sources.
High Sensitivity with Low Noise
It achieves a peak responsivity of 0.160 A/W at 280 nm. Combined with ultra-low dark current of 0.2 fA, the device provides exceptional signal-to-noise ratios, making it ideal for both low-intensity and high-intensity UV environments.
Hexagonal Metal Package for Stability
The hexagonal housing design strengthens mechanical durability, improves heat dissipation, and ensures reliable operation in industrial and aerospace applications where robustness is essential.
Compact and Flexible Integration
The 0.06 mm² active area balances sensitivity with integration ease, making it suitable for compact devices as well as large-scale monitoring systems.
Temperature and Environmental Endurance
With an operating range of −55 °C to +170 °C, the SG01M6H-18 is designed to withstand harsh outdoor and aerospace conditions. This resilience allows it to function reliably in mission-critical scenarios.
Long-Term Reliability
Engineered to resist UV degradation, the device offers stable responsivity across prolonged periods of continuous use. This reliability reduces downtime and enhances system longevity.
In essence, the SG01M6H-18 combines sensitivity, ruggedness, and environmental resilience, making it a dependable UV photodiode for critical sensing applications.
Applications Across Industries
Environmental Monitoring
The SG01M6H-18 is used for solar UV radiation measurement, ozone layer monitoring, and atmospheric studies. Its visible blindness ensures precise, interference-free UV data collection for environmental science.
Industrial Flame Detection
In refineries, power plants, and manufacturing facilities, it provides rapid flame detection through UV signatures, improving safety protocols and reducing the risk of industrial hazards.
Medical and Laboratory Applications
The photodiode is used for UV dosimetry, sterilisation validation, and calibration of phototherapy systems. Its high precision ensures compliance with medical and laboratory standards.
UV Curing and Manufacturing
In printing, coating, and adhesive production, the SG01M6H-18 ensures accurate monitoring of UV curing systems, enhancing efficiency, product quality, and consistency.
Photonics and Semiconductor R&D
Research labs benefit from its use in characterising UV-sensitive materials and testing photonic devices. Its reliability supports innovation in semiconductor and optical sensor development.
Aerospace and Defence
The rugged hexagonal housing makes it ideal for aerospace systems and defence applications, enabling UV monitoring, arc detection, and extreme condition sensing.
By spanning diverse industries, the SG01M6H-18 establishes itself as a versatile and long-life UV detector trusted in mission-critical applications.
Why Choose United Spectrum Instruments?
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Official distributor of SGLUX UV photodiodes in India
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Competitive pricing with reliable local stock availability
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Pan-India service, training, and technical support
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Expert consultation for research and industrial integration
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Trusted by leading universities, R&D labs, and industrial clients
FAQs
What makes the SG01M6H-18 unique?
It features a hexagonal metal package, enhancing durability and thermal stability.
What is the peak responsivity wavelength?
280 nm with a responsivity of 0.160 A/W.
Can it operate in harsh environments?
Yes, it works reliably from −55 °C to +170 °C.
What are the typical applications?
Flame detection, UV curing, environmental monitoring, aerospace sensing, and medical sterilisation.
How does United Spectrum support this product in India?
United Spectrum ensures local stock, fast delivery, expert consultation, and strong after-sales service.
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FAQs
What makes the SG01M6H-18 unique?
It features a hexagonal metal package, enhancing durability and thermal stability.
What is the peak responsivity wavelength?
280 nm with a responsivity of 0.160 A/W.
Can it operate in harsh environments?
Yes, it works reliably from −55 °C to +170 °C.
What are the typical applications?
Flame detection, UV curing, environmental monitoring, aerospace sensing, and medical sterilisation.
How does United Spectrum support this product in India?
United Spectrum ensures local stock, fast delivery, expert consultation, and strong after-sales service.
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