Broadband UV Photodiode – SG01D-18ISO90
The SG01D-18ISO90 is a Silicon Carbide (SiC) broadband UV photodiode, designed with a dual-lead package and ISO90 encapsulation for superior durability and stability...
Broadband UV Photodiode – SG01D-18ISO90
Dual-Lead UV Detector with ISO90 Encapsulation for Rugged Industrial, Aerospace, Medical, and Environmental Monitoring
The SG01D-18ISO90 is a Silicon Carbide (SiC) broadband UV photodiode, designed with a dual-lead package and ISO90 encapsulation for superior durability and stability in challenging environments. With a responsivity peak of 0.160 A/W at 280 nm and a detection range between 221–358 nm, it ensures highly accurate UV detection while offering excellent visible blindness. Its compact 0.06 mm² active area, ultra-low dark current of 0.2 fA, and capacitance of 15 pF deliver noise-free, fast-response performance with high signal-to-noise ratios. The ISO90 encapsulation provides additional environmental resistance and long-term stability, making it ideal for outdoor and mission-critical operations. Operating across a broad temperature range from −55 °C to +170 °C, the SG01D-18ISO90 is suitable for flame detection, UV curing, sterilisation monitoring, ozone and solar radiation studies, aerospace sensing, and photonics R&D. Combining rugged packaging with high-precision detection, it is a reliable UV photodiode for demanding industrial and research applications.
Understanding Broadband UV Photodiode - SG01D-18ISO90
The SG01D-18ISO90 integrates Silicon Carbide broadband UV detection with a robust dual-lead package and ISO90 encapsulation for enhanced stability. Offering a peak responsivity of 0.160 A/W at 280 nm and covering a detection range of 221–358 nm, it provides precise ultraviolet measurement with complete visible blindness. The compact 0.06 mm² active area ensures efficient integration, while ultra-low dark current and low capacitance guarantee fast response and low-noise performance. ISO90 encapsulation enhances environmental protection, ensuring long-term reliability in extreme conditions. With thermal endurance from −55 °C to +170 °C, it is trusted for aerospace, defence, environmental, and industrial UV applications.
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
ISO90 Encapsulation for Enhanced Durability
The SG01D-18ISO90 includes ISO90 encapsulation, which strengthens its resistance to environmental stress, moisture, and contamination. This makes it highly suitable for outdoor installations and mission-critical industrial operations.
High Sensitivity and Selectivity
With a responsivity peak of 0.160 A/W at 280 nm, the photodiode provides accurate UV detection. Its excellent visible blindness ensures reliable ultraviolet-only sensing even in environments with high ambient light.
Dual-Lead Mechanical Stability
The dual-lead package offers strong mechanical stability and mounting flexibility, making the device reliable for long-term integration into industrial systems.
Compact Active Area with Integration Flexibility
Its 0.06 mm² active area ensures compact integration while maintaining high accuracy, making it ideal for portable devices and embedded UV sensing systems.
Low Noise, Fast Response
With an ultra-low dark current of 0.2 fA and capacitance of 15 pF, the SG01D-18ISO90 achieves fast response times and high signal-to-noise ratios, essential for real-time monitoring.
Extreme Temperature Resilience
Operating across −55 °C to +170 °C, the device is designed to function in extreme industrial, aerospace, and outdoor conditions.
Reliable Long-Term Stability
The combination of SiC material and ISO90 encapsulation provides outstanding resistance to UV degradation, ensuring consistent performance over years of use.
Together, these features make the SG01D-18ISO90 a durable, stable, and precise UV photodiode, tailored for industries demanding both accuracy and robustness.
Applications Across Industries
Environmental Monitoring
The SG01D-18ISO90 is used in solar radiation studies, ozone layer monitoring, and atmospheric research. Its visible blindness ensures interference-free UV readings for climate science and environmental analysis.
Industrial Flame Detection
Its fast response and rugged packaging make it ideal for flame detection in refineries, power plants, and manufacturing facilities, where reliability and safety are critical.
Medical and Laboratory Applications
The device supports sterilisation monitoring, UV dosimetry, and phototherapy calibration. ISO90 encapsulation enhances stability in medical environments where long-term reliability is required.
UV Curing in Industrial Production
In printing, coatings, and adhesives, it ensures precise UV curing process control, improving product consistency and manufacturing efficiency.
Photonics and Semiconductor Research
Laboratories use the SG01D-18ISO90 for characterising UV-sensitive materials and testing photonic devices. Its long-term stability supports advanced R&D in optics and semiconductors.
Aerospace and Defence
The combination of dual-lead design, ISO90 encapsulation, and wide temperature tolerance makes it suitable for aerospace UV monitoring, arc detection, and defence-grade sensing systems.
By combining sensitivity, ruggedness, and ISO90 encapsulation, the SG01D-18ISO90 stands out as a versatile UV photodiode across diverse industries.
Why Choose United Spectrum Instruments?
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Authorised distributor of SGLUX UV photodiodes in India
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Competitive pricing and reliable local stock availability
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Expert consultation for research, defence, and industrial UV sensing
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Comprehensive pan-India service, training, and after-sales support
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Trusted by leading universities, aerospace agencies, and industries nationwide
FAQs
What is the main advantage of ISO90 encapsulation?
It enhances durability and environmental resistance, ensuring reliable long-term operation.
What is the responsivity range of the SG01D-18ISO90?
It detects UV wavelengths between 221–358 nm with a peak at 280 nm.
Can it operate in extreme environments?
Yes, it works reliably between −55 °C and +170 °C.
What applications benefit most from this device?
Flame detection, UV curing, ozone studies, solar monitoring, sterilisation control, and aerospace sensing.
How does United Spectrum support Indian customers?
United Spectrum ensures quick delivery, technical guidance, and after-sales service across India.
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FAQs
What is the main advantage of ISO90 encapsulation?
It enhances durability and environmental resistance, ensuring reliable long-term operation.
What is the responsivity range of the SG01D-18ISO90?
It detects UV wavelengths between 221–358 nm with a peak at 280 nm.
Can it operate in extreme environments?
Yes, it works reliably between −55 °C and +170 °C.
What applications benefit most from this device?
Flame detection, UV curing, ozone studies, solar monitoring, sterilisation control, and aerospace sensing.
How does United Spectrum support Indian customers?
United Spectrum ensures quick delivery, technical guidance, and after-sales service across India.
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