Broadband UV Photodiode – SG01F-5
The SG01F-5 is a Silicon Carbide (SiC) broadband UV photodiode designed for high sensitivity and precision in compact applications. With a responsivity peak of 0.13...
Broadband UV Photodiode – SG01F-5
High-Sensitivity UV Photodiode with Compact Active Area for Reliable Industrial, Scientific, and Aerospace Applications
The SG01F-5 is a Silicon Carbide (SiC) broadband UV photodiode designed for high sensitivity and precision in compact applications. With a responsivity peak of 0.13 A/W at 280 nm and a detection range between 221–358 nm, it ensures selective ultraviolet-only detection with excellent visible blindness. Featuring a 0.03 mm² active area, the SG01F-5 balances compact integration with accurate measurements, making it suitable for portable devices and embedded UV monitoring systems. Its ultra-low dark current of 0.1 fA and capacitance of 7 pF guarantee noise-free performance and rapid response, even under low-intensity UV light. Operating across a wide temperature range (−55 °C to +170 °C), the SG01F-5 is reliable in harsh industrial and aerospace environments. Applications include flame detection, UV curing process monitoring, sterilisation validation, ozone studies, photonics research, and defence-grade sensing. The SG01F-5 provides stability, reliability, and compactness for mission-critical ultraviolet sensing tasks.
Understanding Broadband UV Photodiode - SG01F-5
The SG01F-5 is a compact, high-performance UV photodiode engineered with Silicon Carbide technology for selective ultraviolet detection. Offering peak responsivity of 0.13 A/W at 280 nm and active detection across 221–358 nm, it delivers precise UV measurement with total rejection of visible and infrared light. Its 0.03 mm² active area ensures integration into compact or space-constrained systems, while its ultra-low dark current (0.1 fA) and capacitance (7 pF) provide stable, noise-free operation. The SG01F-5 operates reliably between −55 °C and +170 °C, ensuring long-term durability in demanding industrial, medical, aerospace, and research environments requiring robust ultraviolet sensing solutions.
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 SG01F-5 features a 0.03 mm² active area, optimised for compact devices and embedded UV monitoring systems. Despite its small size, it maintains high measurement accuracy.
Silicon Carbide UV Selectivity
Built on SiC technology, the device ensures accurate UV-only detection across 221–358 nm, with a peak responsivity of 0.13 A/W at 280 nm. Its visible blindness eliminates interference from ambient light.
High Signal-to-Noise Ratio
An ultra-low dark current of 0.1 fA provides minimal noise, ensuring clear signals even in weak UV conditions.
Fast Response with Low Capacitance
The 7 pF capacitance allows rapid signal response, making it suitable for real-time monitoring tasks such as flame detection and UV curing.
Wide Operating Temperature Range
The SG01F-5 can withstand −55 °C to +170 °C, ensuring consistent performance in harsh environments like aerospace, defence, and industrial plants.
Rugged and Long-Term Stability
With resistance to UV degradation, the SG01F-5 maintains stable responsivity over years of continuous operation, reducing the need for frequent recalibration or replacement.
By combining compactness, selectivity, and ruggedness, the SG01F-5 offers a versatile solution for precision ultraviolet monitoring in mission-critical environments.
Applications Across Industries
Environmental Monitoring
The SG01F-5 is suitable for solar UV monitoring, ozone detection, and atmospheric studies, delivering precise results even under low-intensity conditions.
Industrial Flame Detection
Its compact size and fast response make it ideal for flame detection circuits in refineries, power plants, and industrial safety systems.
Medical and Laboratory Applications
It supports sterilisation monitoring, UV dosimetry, and calibration of phototherapy devices, where precise ultraviolet measurement is essential.
UV Curing in Manufacturing
The SG01F-5 is widely applied in printing, adhesives, and coatings for UV curing control, ensuring repeatability and quality in manufacturing processes.
Photonics and Semiconductor Research
Researchers rely on the SG01F-5 for testing UV-sensitive materials and photonic devices. Its compact footprint allows seamless integration into advanced experimental setups.
Aerospace and Defence
With rugged construction and a wide thermal range, the SG01F-5 is suited for aerospace UV monitoring, arc detection, and military-grade UV sensing applications.
By combining sensitivity, speed, and resilience, the SG01F-5 proves itself as a versatile ultraviolet photodiode across industries.
Why Choose United Spectrum Instruments?
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Authorised distributor of SGLUX UV photodiodes in India
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Competitive pricing with reliable local stock availability
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Expert consultation for integration into research and industry projects
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Pan-India after-sales service, training, and technical support
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Trusted partner for defence, aerospace, academic, and industrial customers
FAQs
What is the active area size of the SG01F-5?
It has a compact 0.03 mm² active area.
What is its peak responsivity?
The device achieves 0.13 A/W at 280 nm.
Can it be integrated into compact systems?
Yes, its small active area is ideal for space-limited applications and embedded designs.
What is the operating temperature range?
It works reliably between −55 °C and +170 °C.
How does United Spectrum support Indian customers?
By offering fast delivery, expert advice, and nationwide after-sales service.
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FAQs
What is the active area size of the SG01F-5?
It has a compact 0.03 mm² active area.
What is its peak responsivity?
The device achieves 0.13 A/W at 280 nm.
Can it be integrated into compact systems?
Yes, its small active area is ideal for space-limited applications and embedded designs.
What is the operating temperature range?
It works reliably between −55 °C and +170 °C.
How does United Spectrum support Indian customers?
By offering fast delivery, expert advice, and nationwide after-sales service.
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