LED THT EOLD-325-012
High Precision UV Source for Analytical and Biomedical Systems – 325nm UV LED EOLD-325-012
The EOLD-325-012 is a high-performance 325 nm UV LED engineered for analytical, biomedical, and industrial sensing applications. Developed by EPIGAP OSA Photonics, this ultraviolet emitter delivers stable and reliable optical performance for demanding scientific and industrial environments. Housed in a rugged TO-46 metal package with an integrated lens, the LED provides excellent durability, thermal stability, and long operational life. Operating near the UV-A and UV-B boundary region, it offers 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 optical applications, the EOLD-325-012 is widely used in fluorescence analysis, material inspection, biomedical research, and laboratory instrumentation. Its focused beam profile enables accurate ultraviolet illumination, improving detection sensitivity and enhancing measurement reliability in analytical and inspection systems. The integrated lens design ensures efficient light concentration, making it suitable for compact optical assemblies and specialised research equipment. Its stable UV output supports dependable operation in applications where precise and repeatable ultraviolet radiation is essential for testing, analysis, and quality control.
Understanding LED THT EOLD-325-012
The EOLD-325-012 operates at a peak wavelength of approximately 325 nm, offering strong interaction with fluorescent materials and organic compounds. It delivers around 2.5 mW optical output at a typical operating current of 20 mA, ensuring stable and efficient performance.
The LED features a narrow viewing angle (~10°) enabled by its lens design, allowing focused UV illumination for precision applications.
Its hermetic TO-46 package ensures excellent thermal stability and environmental protection, making it suitable for continuous operation in industrial and scientific environments.
Technical Specifications
| Parameter | Specification |
| Product | EOLD-325-012 |
| Type | UV LED |
| Peak Wavelength | 325 nm |
| Optical Output Power | ~2.5 mW |
| Radiant Intensity | ~35 mW/sr @ 20 mA |
| Forward Voltage | ~4.3 – 4.8 V |
| Forward Current | ~20 mA (max 30 mA) |
| Spectral Width (FWHM) | ~10 nm |
| Viewing Angle | ~10° |
| Package | TO-46 Metal Can (Lens) |
| Mounting Type | Through-hole |
| Operating Temperature | -40°C to +85°C |
| Compliance | RoHS & REACH compliant |
Key Features and Advantages
325 nm UV Wavelength for Fluorescence Applications
Operating at 325 nm, the LED is ideal for exciting fluorescent materials and detecting organic compounds, making it suitable for analytical and biomedical systems.
Focused Beam for High-Precision Illumination
With a ~10° viewing angle, the integrated lens enables highly directional UV radiation, ensuring accurate targeting in sensing and inspection applications.
Stable Optical Output for Reliable Performance
Delivering approximately 2.5 mW output, the LED ensures consistent and repeatable UV performance, critical for laboratory and industrial systems.
Robust TO-46 Hermetic Package
The metal package provides excellent mechanical strength, thermal stability, and environmental protection, ensuring reliable long-term operation.
Efficient Thermal Management
The TO-can design supports effective heat dissipation, enabling stable performance even during continuous operation.
Low Power Consumption
Operating at 20 mA typical current, the LED provides energy-efficient operation while maintaining stable UV emission.
Industrial-Grade Reliability
Designed for demanding environments, the LED offers long operational life and consistent output, reducing maintenance and downtime.
Easy Integration into Systems
The through-hole configuration allows seamless integration into PCBs and optical assemblies, supporting both prototyping and production
Applications Across Industries
Fluorescence & Chemical Analysis
The 325 nm wavelength is widely used for fluorescence excitation in laboratory and industrial analysis, enabling detection of biological and chemical substances.
Biomedical & Life Science Applications
Used in diagnostic systems, biochemical assays, and medical research where precise UV illumination is required.
Industrial Inspection & Material Testing
UV illumination helps identify surface defects, contamination, and material inconsistencies during quality control processes.
Environmental Monitoring Systems
Supports UV-based sensing systems for detecting pollutants and analysing environmental conditions.
Forensics & Security Applications
Used in forensic analysis, counterfeit detection, and authentication systems requiring UV light.
Semiconductor & Electronics Industry
Supports inspection and testing processes where UV light enhances detection of defects and contaminants.
Research & Scientific Applications
Widely used in spectroscopy, photochemistry, and laboratory experiments 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-325-012. 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, biomedical, and analytical solutions tailored to their needs
- Technical guidance for sensing, illumination, and industrial integration
- Reliable support for gas sensing and proximity sensing applications
- Availability of TO-can, 3 mm, and 5 mm THT LED package options
- Support for custom wavelength and photonic assembly requirements
FAQs
What is the wavelength of EOLD-325-012?
It operates at approximately 325 nm in the UV spectrum.
What is the optical output power?
It provides around 2.5 mW optical output.
What is the viewing angle?
It has a narrow beam angle of approximately 10°.
What applications is it best suited for?
It is used in fluorescence analysis, biomedical systems, industrial inspection, and analytical applications.
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-325-012?
It operates at approximately 325 nm in the UV spectrum.
What is the optical output power?
It provides around 2.5 mW optical output.
What is the viewing angle?
It has a narrow beam angle of approximately 10°.
What applications is it best suited for?
It is used in fluorescence analysis, biomedical systems, industrial inspection, and analytical applications.
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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