LED THT EOLD-295-012
High Precision UV-C Source for Disinfection and Analytical Systems – 295nm UV LED EOLD-295-012
The EOLD-295-012 is a high-performance 295 nm UV LED developed for advanced sensing, biomedical, and analytical applications. Manufactured by EPIGAP OSA Photonics, this ultraviolet emitter delivers stable and reliable optical performance for demanding industrial and scientific environments. Housed in a robust TO-46 metal package with a precision glass lens, the LED offers excellent durability, thermal stability, and long operational life. Operating near the UV-C and UV-B boundary region, it provides controlled ultraviolet illumination suitable for applications requiring accurate and consistent UV output. United Spectrum Instruments is the authorised distributor of EPIGAP OSA Photonics products in India.
Designed for precision-based ultraviolet applications, the EOLD-295-012 is widely used in biomedical analysis, fluorescence detection, environmental sensing, and optical inspection systems. Its focused emission profile enables accurate illumination for laboratory instruments and industrial analytical equipment where stable UV performance is essential. The precision glass lens improves optical efficiency and enhances light concentration, supporting high-performance measurements and reliable detection processes. The LED is also suitable for specialised research and inspection setups that require dependable ultraviolet radiation with minimal performance variation.
Understanding LED THT EOLD-295-012
The EOLD-295-012 operates at a peak wavelength of 295 nm, offering a balance between germicidal efficiency and material compatibility. It delivers optical output between ~1.5 to 3 mW at a typical operating current of 20 mA, ensuring stable and efficient performance.
The LED features a glass lens with ~10° viewing angle, enabling highly focused UV radiation for precision applications.
Its hermetic TO-46 package ensures excellent thermal stability and protection from environmental factors, making it suitable for continuous use in demanding industrial and scientific environments.
Technical Specifications
| Parameter | Specification |
| Product | EOLD-295-012 |
| Type | UV LED |
| Peak Wavelength | 295 nm |
| Optical Output Power | ~1.5 – 3 mW |
| Radiant Intensity | ~26 mW/sr @ 20 mA |
| Forward Voltage | ~4.8 – 5.3 V |
| Forward Current | ~20 mA (max 30 mA) |
| Spectral Width (FWHM) | ~13 nm |
| Viewing Angle | ~10° |
| Package | TO-46 Metal Can (Glass Lens) |
| Mounting Type | Through-hole |
| Operating Temperature | -40°C to +85°C |
| Compliance | RoHS & REACH compliant |
Key Features and Advantages
Optimised 295 nm UV Output for Versatile Applications
Operating at 295 nm, the LED offers a balance between UV-C germicidal performance and reduced material degradation, making it suitable for both disinfection and analytical applications.
Focused Beam for High-Precision Illumination
With a ~10° viewing angle, the integrated glass lens provides highly directional UV radiation, ensuring accurate targeting in sensing and inspection systems.
Stable Optical Output for Reliable Measurements
Delivering up to 3 mW output, the LED ensures consistent and repeatable UV performance, essential for analytical instruments and industrial sensing.
Robust TO-46 Hermetic Package
The metal TO-46 package provides excellent mechanical strength, thermal stability, and environmental protection, ensuring long-term reliability in harsh environments.
Efficient Thermal Management
TO-can packaging supports effective heat dissipation, enabling stable operation even during continuous use.
Low Power Consumption
Operating at 20 mA typical current, the LED provides energy-efficient performance while maintaining stable UV emission.
High Reliability and Long Lifetime
Designed for industrial-grade applications, the LED delivers consistent output over extended periods, reducing maintenance and operational costs.
Easy Integration into Systems
The through-hole configuration allows seamless integration into PCBs and optical systems, supporting both prototyping and large-scale production.
Applications Across Industries
Sensing & Analytical Instrumentation
The 295 nm wavelength is widely used in sensing systems for detecting chemical compounds and analysing materials with high precision.
Biomedical & Life Science Applications
Used in laboratory instruments, diagnostic systems, and fluorescence analysis where stable UV illumination is required.
Sterilisation & Disinfection Systems
While slightly higher than peak germicidal wavelengths, 295 nm still offers effective microbial reduction in controlled environments.
Industrial Inspection & Material Testing
UV illumination helps detect surface defects, contamination, and material inconsistencies during quality control processes.
Biometric & Security Systems
Used in biometric authentication and forensic analysis where UV light enhances detection accuracy.
Environmental Monitoring Systems
Supports UV-based sensors for detecting pollutants and monitoring environmental conditions.
Research & Scientific Applications
Widely used in spectroscopy, photochemistry, and experimental research requiring stable and focused UV light sources.
Why Choose United Spectrum Instruments?
United Spectrum Instruments is a trusted supplier of advanced photonics components in India. We provide expert consultation, product selection guidance, and integration support for UV LEDs like EOLD-295-012. With strong technical expertise and responsive after-sales service, we ensure reliable sourcing and long-term performance. Our commitment to quality and customer success enables industries to implement efficient UV-based sensing, analytical, and sterilisation solutions tailored to their needs.
- Assistance in selecting suitable LEDs for biomedical and analytical systems
- Dependable supply chain and customer support across India
- High-quality products designed for long operational stability and durability
- Trusted partner for advanced photonics, optical sensing, and semiconductor solutions in India
FAQs
What is the wavelength of EOLD-295-012?
It operates at approximately 295 nm in the UV spectrum.
What is the optical output power?
It provides approximately 1.5–3 mW optical output.
What is the viewing angle?
It offers a narrow beam angle of around 10° for focused illumination.
What applications is it best suited for?
It is used in sensing, biomedical analysis, industrial inspection, and analytical systems.
Is it suitable for industrial environments?
Yes, it operates from -40°C to +85°C and is designed for durable industrial use.
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FAQs
What is the wavelength of EOLD-295-012?
It operates at approximately 295 nm in the UV spectrum.
What is the optical output power?
It provides approximately 1.5–3 mW optical output.
What is the viewing angle?
It offers a narrow beam angle of around 10° for focused illumination.
What applications is it best suited for?
It is used in sensing, biomedical analysis, industrial inspection, and analytical systems.
Is it suitable for industrial environments?
Yes, it operates from -40°C to +85°C and is designed for durable industrial use.

