LED THT EOLD-425-012-1
High Precision UV Source for Analytical and Industrial Systems – 425nm UV LED EOLD-425-012-1
The EOLD-425-012-1 is a high-performance 425 nm UV/Violet LED developed for sensing, analytical, and industrial applications. Manufactured by EPIGAP OSA Photonics, this emitter delivers stable and reliable optical output for demanding scientific and industrial environments. Housed in a rugged TO-46 metal package with a precision glass lens, the LED provides excellent durability, thermal stability, and long operational life. Operating in the violet region near visible light, it ensures accurate and high-intensity illumination for specialised optical applications. United Spectrum Instruments is the authorised distributor of EPIGAP OSA Photonics products in India.
Designed for advanced optical and sensing systems, the EOLD-425-012-1 is widely used in biometric systems, inspection processes, fluorescence analysis, and optical sensing applications. Its focused emission profile and high optical efficiency improve detection sensitivity and enhance measurement 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 dependable illumination. Its stable violet output ensures reliable operation in continuous-use analytical and inspection applications.
The compact and durable construction of the EOLD-425-012-1 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 dependable long-term performance, the EOLD-425-012-1 provides an excellent solution for applications requiring precise, stable, and high-quality optical light sources.
Understanding LED THT EOLD-425-012-1
The EOLD-425-012-1 operates at a peak wavelength of 425 nm, placing it in the violet spectrum close to visible light. It features a narrow viewing angle of approximately 10°, enabled by its glass lens design, allowing precise and focused illumination.
The LED operates at a typical forward current of 20–30 mA with a forward voltage range of approximately 3.2–4.1 V, ensuring efficient and stable performance.
Its hermetic TO-46 package provides excellent thermal stability and environmental protection, making it suitable for continuous industrial and scientific operation.
Technical Specifications
| Parameter | Specification |
| Product | EOLD-425-012-1 |
| Type | UV/Violet LED |
| Peak Wavelength | 425 nm (420–430 nm range) |
| Optical Output Power | ~13 mW (typical class) |
| Forward Current | 20 mA (typ), up to 30 mA |
| Forward Voltage | ~3.2 – 4.1 V |
| Spectral Width (FWHM) | ~20 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
425 nm Wavelength for Advanced Optical Applications
Operating at 425 nm, the LED lies at the transition between UV-A and visible light, making it highly versatile for sensing, inspection, and optical detection systems.
High Optical Output for Industrial Performance
With a typical output around 13 mW, the LED provides strong radiant intensity, ensuring efficient performance in analytical and industrial environments.
Focused Beam for Precision Illumination
The integrated glass lens provides a ~10° narrow beam angle, enabling highly directional light output for accurate targeting in sensing and inspection systems.
Robust TO-46 Hermetic Package
The metal package ensures excellent mechanical strength, thermal stability, and environmental protection, making it suitable for harsh industrial conditions.
Efficient Thermal Management
TO-can packaging supports effective heat dissipation, enabling stable performance during continuous operation.
Stable Optical Output for Consistent Results
The LED delivers repeatable and stable emission, ensuring reliable performance in analytical instruments and automated systems.
Industrial-Grade Reliability
Designed for long-term use, the LED offers consistent output and durability, reducing maintenance and operational downtime.
Easy Integration into Systems
The through-hole configuration allows seamless integration into PCBs and optical assemblies, supporting both prototyping and high-volume production.
Applications Across Industries
Sensing & Optical Detection Systems
The 425 nm wavelength is widely used in sensing applications for detecting materials, colours, and optical properties with high precision.
Biometric & Security Systems
Used in biometric authentication and security systems where violet light enhances detection accuracy and reliability.
Industrial Inspection & Quality Control
UV/violet illumination helps detect surface defects, coatings, and contamination in manufacturing and quality assurance processes.
Fluorescence & Chemical Analysis
Supports fluorescence excitation for analysing biological and chemical samples in laboratory and industrial setups.
Biomedical & Life Science Applications
Used in diagnostic systems and laboratory instruments requiring stable and precise optical illumination.
Environmental Monitoring Systems
Supports sensing systems for analysing environmental conditions and detecting pollutants.
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-425-012-1. 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, inspection, and analytical solutions tailored to their needs.
- Availability of TO-can, 3 mm, and 5 mm THT LED package options
- Support for custom wavelength and photonic assembly requirements
- Genuine products sourced directly from the manufacturer
- Fast quotation, technical response, and application assistance
- Experience supporting OEMs, research labs, and industrial automation companies
FAQs
What is the wavelength of EOLD-425-012-1?
It operates at approximately 425 nm in the UV/violet spectrum.
What is the viewing angle?
It has a narrow beam angle of around 10° for focused illumination.
What is the forward voltage range?
The LED operates at approximately 3.2–4.1 V.
What applications is it best suited for?
It is used in sensing, biometric systems, fluorescence analysis, and industrial inspection.
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-425-012-1?
It operates at approximately 425 nm in the UV/violet spectrum.
What is the viewing angle?
It has a narrow beam angle of around 10° for focused illumination.
What is the forward voltage range?
The LED operates at approximately 3.2–4.1 V.
What applications is it best suited for?
It is used in sensing, biometric systems, fluorescence analysis, and industrial inspection.
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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