LED THT EOLD-405-012-1
High Precision UV Source for Analytical and Industrial Systems – 405nm UV LED EOLD-405-012-1
The EOLD-405-012-1 is a high-performance 405 nm UV/Violet LED developed for analytical, biomedical, and industrial applications. Manufactured by EPIGAP OSA Photonics, this emitter delivers strong and stable optical output for demanding scientific and industrial 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 at the boundary of UV-A and visible violet light, it provides reliable illumination for applications requiring accurate and high-intensity optical performance. United Spectrum Instruments is the authorised distributor of EPIGAP OSA Photonics products in India.
Designed for advanced optical and industrial systems, the EOLD-405-012-1 is widely used in UV curing, sensing, fluorescence analysis, and inspection applications. Its focused beam profile and high optical efficiency improve detection sensitivity and enhance processing accuracy in laboratory and industrial environments. The precision glass lens enables efficient light concentration, making it suitable for compact optical systems and specialised instrumentation requiring precise illumination. Its stable violet output ensures dependable operation in continuous-use analytical and inspection processes.
The compact and durable construction of the EOLD-405-012-1 allows seamless integration into laboratory instruments, industrial automation systems, and advanced sensing equipment. Its TO-46 metal housing supports efficient heat dissipation, helping maintain stable optical performance during prolonged operation. Combining focused violet illumination, rugged packaging, and reliable long-term performance, the EOLD-405-012-1 provides an excellent solution for applications requiring precise, stable, and high-quality UV/Violet light sources.
Understanding LED THT EOLD-405-012-1
The EOLD-405-012-1 operates at a peak wavelength of 405 nm, placing it in the violet region close to visible light. It delivers approximately 8.5–13 mW optical output depending on operating conditions, ensuring efficient and stable performance.
The LED features a narrow viewing angle (~10°) enabled by its glass lens, providing precise and focused illumination.
With a typical operating current of 20–30 mA and a hermetic TO-46 package, it ensures excellent thermal stability and durability for continuous industrial and scientific use.
Technical Specifications
| Parameter | Specification |
| Product | EOLD-405-012-1 |
| Type | UV/Violet LED |
| Peak Wavelength | 405 nm |
| Optical Output Power | ~8.5 – 13 mW |
| Radiant Intensity | ~100 mW/sr |
| Forward Voltage | ~3.2 – 4.1 V |
| Forward Current | 20 mA (typ), 30 mA (max) |
| Spectral Width (FWHM) | ~15 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
405 nm Wavelength for Versatile Applications
Operating at 405 nm, the LED lies at the transition between UV-A and visible light, making it suitable for both UV-based and optical sensing applications.
High Optical Output for Industrial Performance
Delivering up to 13 mW output, the LED provides strong radiant intensity, enabling efficient operation in curing, sensing, and inspection systems.
Focused Beam for Precision Illumination
With a ~10° viewing angle, the glass lens ensures highly directional emission, allowing accurate targeting in analytical and industrial processes.
Robust TO-46 Hermetic Package
The metal package offers excellent mechanical strength, thermal stability, and environmental protection, ensuring long-term reliability in harsh environments.
Efficient Thermal Management
The TO-can design enables effective heat dissipation, allowing stable operation even during continuous use at higher currents.
Stable Optical Output for Consistency
The LED provides repeatable and stable emission, ensuring reliable results in sensing, inspection, and measurement systems.
Industrial-Grade Reliability
Designed for demanding environments, the LED delivers long operational life and consistent performance, reducing downtime and maintenance costs.
Easy Integration into Systems
The through-hole configuration allows seamless integration into PCBs and optical assemblies, supporting both prototyping and large-scale production.
Applications Across Industries
UV Curing & Photopolymer Applications
The 405 nm wavelength is widely used in UV curing systems for adhesives, coatings, inks, and 3D printing, enabling fast and efficient processing.
Industrial Inspection & Quality Control
UV/violet illumination helps detect surface defects, contamination, coatings, and structural inconsistencies in manufacturing processes.
Fluorescence & Chemical Analysis
Used for fluorescence excitation, enabling detection of organic compounds and chemical substances in laboratory and industrial setups.
Biomedical & Life Science Applications
Supports diagnostic systems, biochemical assays, and laboratory research requiring stable and precise illumination.
Biometric & Security Systems
The LED is used in biometric authentication, forensic analysis, and counterfeit detection systems.
Environmental Monitoring Systems
Supports sensing systems for analysing pollutants and environmental conditions using optical detection techniques.
Research & Scientific Applications
Widely used in spectroscopy, photochemistry, and experimental setups requiring stable, high-intensity 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-405-012-1. 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, curing, and analytical solutions tailored to their needs.
- Authorised Indian distributor for EPIGAP OSA Photonics THT LED solutions
- Access to premium German-engineered Through-Hole Technology (THT) LEDs
- Wide wavelength coverage from UV-C to SWIR applications
FAQs
What is the wavelength of EOLD-405-012-1?
It operates at 405 nm in the UV-A/violet spectrum.
What is the optical output power?
It provides approximately 8.5–13 mW optical output depending on operating conditions.
What is the viewing angle?
It has a narrow beam angle of around 10° for focused illumination.
What applications is it best suited for?
It is used in UV curing, sensing, fluorescence analysis, and industrial inspection 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-405-012-1?
It operates at 405 nm in the UV-A/violet spectrum.
What is the optical output power?
It provides approximately 8.5–13 mW optical output depending on operating conditions.
What is the viewing angle?
It has a narrow beam angle of around 10° for focused illumination.
What applications is it best suited for?
It is used in UV curing, sensing, fluorescence analysis, and industrial inspection 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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