LED THT EOLD-1040-015-1
High Precision NIR Source for Sensing and Industrial Systems – 1040nm IR LED EOLD-1040-015-1
The EOLD-1040-015-1 is a high-performance 1040 nm near-infrared (NIR) LED developed for sensing, gas detection, and industrial automation applications. Manufactured by EPIGAP OSA Photonics, this infrared emitter delivers stable and reliable optical output 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 within the NIR spectrum, it ensures accurate and consistent infrared illumination for applications requiring dependable optical performance. United Spectrum Instruments is the authorised distributor of EPIGAP OSA Photonics products in India.
Designed for advanced sensing and analytical systems, the EOLD-1040-015-1 is widely used in proximity sensing, spectroscopy, optical detection, and industrial automation applications. Its focused emission profile improves detection sensitivity and enhances measurement accuracy in laboratory and industrial environments. The integrated lens design enables efficient light concentration, making it suitable for compact sensing systems and specialised optical equipment requiring stable NIR illumination. Its dependable infrared output ensures reliable operation in continuous-use monitoring and analytical processes.
The compact and durable construction of the EOLD-1040-015-1 allows seamless integration into industrial automation systems, laboratory instruments, and advanced sensing equipment. Its TO-46 metal housing supports efficient heat dissipation, helping maintain stable optical performance during prolonged operation. Combining focused NIR illumination, rugged packaging, and dependable long-term performance, the EOLD-1040-015-1 provides an excellent solution for applications requiring precise, stable, and high-quality infrared light sources.
Understanding LED THT EOLD-1040-015-1
The EOLD-1040-015-1 operates at a peak wavelength of 1040 nm (1020–1060 nm range), making it suitable for advanced sensing and spectroscopy applications. It supports a forward current up to 100 mA and operates at a typical forward voltage of approximately 1.5 V, ensuring efficient performance.
The LED features a narrow beam angle of ~10°, enabled by its lens-based TO-46 design, allowing precise and directional infrared illumination.
Its hermetic metal package ensures excellent thermal stability and environmental protection, making it ideal for continuous operation in demanding industrial and scientific environments.
Technical Specifications
| Parameter | Specification |
| Product | EOLD-1040-015-1 |
| Type | NIR Infrared LED |
| Peak Wavelength | 1040 nm (1020–1060 nm) |
| Optical Output Power | ~20 mW (typical class) |
| Forward Current | Up to 100 mA |
| Forward Voltage | ~1.5 V |
| Spectral Width (FWHM) | ~50 nm |
| Viewing Angle | ~10° |
| Package | TO-46 Metal Can (Lens) |
| Mounting Type | Through-hole |
| Operating Temperature | -40°C to +85°C |
| Applications | Gas sensing, proximity sensing, spectroscopy |
| Compliance | RoHS compliant |
Key Features and Advantages
1040 nm NIR Wavelength for Advanced Sensing
Operating at 1040 nm, the LED is optimised for infrared sensing, spectroscopy, and gas detection, where longer wavelengths enable deeper material interaction and accurate measurements.
Focused Beam for High-Precision Applications
With a ~10° viewing angle, the integrated lens provides highly directional infrared emission, ensuring accurate targeting in sensing and analytical systems.
High Drive Capability for Strong Output
Supporting up to 100 mA forward current, the LED delivers strong radiant output, improving signal detection in industrial and scientific applications.
Low Forward Voltage for Energy Efficiency
With a typical forward voltage of ~1.5 V, the LED ensures energy-efficient operation while maintaining stable and consistent IR emission.
Robust TO-46 Hermetic Package
The metal package offers excellent mechanical strength, thermal stability, and environmental protection, ensuring long-term durability in harsh industrial environments.
Stable Optical Output for Reliable Measurements
The LED delivers repeatable and stable infrared emission, which is critical for analytical instruments, spectroscopy systems, and sensing devices.
Industrial-Grade Reliability
Designed for demanding environments, the LED provides 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 high-volume production.
Applications Across Industries
Gas Sensing Systems
The 1040 nm wavelength is widely used in gas detection systems, enabling precise measurement of gas concentrations through infrared absorption techniques.
Spectroscopy & Optical Analysis
Ideal for spectroscopy applications where longer NIR wavelengths improve material identification and chemical analysis.
Proximity & Motion Sensing
Used in proximity sensors and motion detection systems, providing reliable performance in automation and robotics.
Industrial Automation & Control Systems
Supports automated systems for object detection, positioning, and process monitoring in manufacturing environments.
Biomedical & Analytical Applications
Used in medical diagnostics and laboratory instruments for non-invasive sensing and optical analysis.
Security & Surveillance Systems
Infrared illumination enables detection and monitoring in low-light or non-visible environments.
Research & Scientific Applications
Widely used in photonics research, experimental setups, and optical testing systems requiring stable and focused NIR 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 infrared LEDs like EOLD-1040-015-1. 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 sensing, automation, 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-1040-015-1?
It operates at 1040 nm in the near-infrared spectrum.
What is the maximum forward current?
The LED supports up to 100 mA forward current.
What is the viewing angle?
It has a narrow beam angle of approximately 10° for focused illumination.
What applications is it best suited for?
It is used in gas sensing, spectroscopy, proximity sensing, and industrial automation systems.
Is it suitable for industrial environments?
Yes, it operates from -40°C to +85°C and is designed for reliable industrial use.
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FAQs
What is the wavelength of EOLD-1040-015-1?
It operates at 1040 nm in the near-infrared spectrum.
What is the maximum forward current?
The LED supports up to 100 mA forward current.
What is the viewing angle?
It has a narrow beam angle of approximately 10° for focused illumination.
What applications is it best suited for?
It is used in gas sensing, spectroscopy, proximity sensing, and industrial automation systems.
Is it suitable for industrial environments?
Yes, it operates from -40°C to +85°C and is designed for reliable industrial use.

