Broadband UV Photodiode – SG01M-5
The SG01M-5 is a broadband UV photodiode developed with Silicon Carbide (SiC) technology, packaged in a durable metal housing for enhanced reliability and stability. With...
Broadband UV Photodiode – SG01M-5
Metal-Packaged Compact UV Detector with High Sensitivity, Thermal Stability, and Long-Term Reliability for Precision Applications
The SG01M-5 is a broadband UV photodiode developed with Silicon Carbide (SiC) technology, packaged in a durable metal housing for enhanced reliability and stability. With a compact active area of 0.03 mm², it offers precise UV detection while remaining easy to integrate into space-limited systems. Featuring a peak responsivity of 0.13 A/W at 280 nm and a responsivity range between 221–358 nm, it ensures accurate ultraviolet measurement with excellent visible blindness. The device’s ultra-low dark current of 0.1 fA and capacitance of 7 pF deliver superior signal-to-noise ratios and fast response times. Capable of operating between −55 °C and +170 °C, the SG01M-5 is designed for harsh industrial, scientific, and aerospace environments. With long-term resistance to UV degradation, it is ideal for flame detection, UV curing, solar and ozone monitoring, semiconductor testing, and medical sterilisation monitoring. The SG01M-5 is a compact, rugged, and dependable UV sensing solution.
Understanding Broadband UV Photodiode - SG01M-5
The SG01M-5 broadband UV photodiode combines Silicon Carbide (SiC) UV detection with a robust metal package, offering superior precision in compact form. Its 0.03 mm² active area is optimised for integration in small-scale systems, while maintaining accuracy and sensitivity. The photodiode’s peak responsivity of 0.13 A/W at 280 nm ensures accurate UV monitoring across a 221–358 nm detection range. With ultra-low dark current and low capacitance, it provides fast, noise-free operation even under weak UV radiation. Designed for stability across −55 °C to +170 °C, the SG01M-5 is reliable for long-term use in aerospace, industrial, and research environments.
Technical Specifications
| Feature | Specification |
| Typical Responsivity at Peak Wavelength | 0.13 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 | 0.03 mm² |
| Dark Current (1 V reverse bias) | 0.1 fA |
| Capacitance | 7 pF |
| Short Circuit (10 mW/cm² at peak) | 480 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 SG01M-5 is designed with a 0.03 mm² active area, making it highly suitable for applications where system size is limited but accuracy is critical.
High Sensitivity with UV Selectivity
With a peak responsivity of 0.13 A/W at 280 nm, the device provides accurate UV detection. Its excellent visible blindness ensures that only ultraviolet light is measured, reducing interference from ambient light.
Low Noise and High Signal-to-Noise Ratio
An ultra-low dark current of just 0.1 fA ensures minimal noise, supporting strong and reliable signal-to-noise performance. This feature makes the SG01M-5 dependable even for low-intensity UV environments.
Fast Response and Low Capacitance
With a capacitance of 7 pF, the SG01M-5 offers quick response times. This makes it ideal for real-time applications such as flame monitoring and UV curing process control.
Durability and Temperature Stability
Packaged in a rugged metal housing, the device is resistant to mechanical and thermal stress. Its operational stability from −55 °C to +170 °C makes it reliable for industrial, outdoor, and aerospace uses.
Long-Term Operational Reliability
The SG01M-5 resists UV degradation, ensuring stable performance over years of continuous operation. This reduces downtime and lowers long-term maintenance costs.
In summary, the SG01M-5 offers compact design, reliable performance, and rugged stability, making it a versatile UV detector across research and industry.
Applications Across Industries
Environmental and Climate Research
The SG01M-5 is employed for solar UV radiation monitoring, ozone concentration measurement, and atmospheric studies. Its precision ensures reliable datasets for climate science and environmental analysis.
Industrial Flame Detection
The device is integrated into flame monitoring systems in petrochemical plants, power stations, and industrial facilities. Its rapid UV response improves fire detection accuracy and enhances safety.
Medical and Laboratory Applications
The photodiode is widely used for UV dosimetry, sterilisation monitoring, and phototherapy calibration. Its high accuracy ensures compliance with medical safety standards.
UV Curing in Manufacturing
In industrial processes such as printing, adhesives, and coatings, the SG01M-5 helps monitor UV curing intensity. This ensures consistent curing quality, reduced defects, and improved production efficiency.
Photonics and Semiconductor R&D
The compact size and reliable performance make the SG01M-5 a preferred choice in laboratories for testing UV-sensitive materials and photonic device development.
Aerospace and Defence Applications
Thanks to its rugged metal packaging and wide operating temperature range, the SG01M-5 is well-suited for aerospace UV monitoring, arc detection, and military-grade sensing in harsh conditions.
By serving diverse industries, the SG01M-5 delivers versatility, precision, and long-lasting reliability for ultraviolet detection.
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 for fast delivery
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Expert consultation for research and industrial integration
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Pan-India after-sales support, training, and technical service
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Trusted by academic, defence, and industrial customers across India
FAQs
What is the active area of the SG01M-5?
It has a compact active area of 0.03 mm².
What is the peak responsivity value?
The photodiode provides 0.13 A/W at 280 nm.
Can it operate in harsh environments?
Yes, it works reliably between −55 °C and +170 °C.
What are its common applications?
It is used in flame detection, UV curing, medical sterilisation, aerospace, and environmental monitoring.
How does United Spectrum support Indian customers?
United Spectrum provides local stock, fast delivery, consultation, and after-sales technical support.
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FAQs
What is the active area of the SG01M-5?
It has a compact active area of 0.03 mm².
What is the peak responsivity value?
The photodiode provides 0.13 A/W at 280 nm.
Can it operate in harsh environments?
Yes, it works reliably between −55 °C and +170 °C.
What are its common applications?
It is used in flame detection, UV curing, medical sterilisation, aerospace, and environmental monitoring.
How does United Spectrum support Indian customers?
United Spectrum provides local stock, fast delivery, consultation, and after-sales technical support.


