LED THT EOLD-1140-015-1
High Precision NIR Source for Sensing and Industrial Systems – 1140nm IR LED EOLD-1140-015-1
The EOLD-1140-015-1 is a high-performance 1140 nm near-infrared (NIR) LED developed for advanced sensing, spectroscopy, 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 extended 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-1140-015-1 is widely used in gas sensing, optical detection, spectroscopy, and analytical instrumentation. Its focused emission profile improves detection sensitivity and enhances measurement accuracy in laboratory and industrial environments. The integrated lens design enables efficient light concentration and precise beam control, making it suitable for compact sensing systems and specialised optical equipment requiring stable NIR illumination. Its high radiant efficiency ensures dependable operation in continuous-use monitoring and industrial automation applications.
The compact and durable construction of the EOLD-1140-015-1 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-1140-015-1 provides an excellent solution for applications requiring precise, stable, and high-quality infrared light sources.
Understanding LED THT EOLD-1140-015-1
The EOLD-1140-015-1 operates at a peak wavelength of 1140 nm (1120–1160 nm range), enabling deeper material interaction and improved absorption-based sensing. It supports a maximum forward current of 100 mA with a typical forward voltage of ~1.4 V, ensuring efficient operation.
The LED features a narrow viewing 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 suitable for continuous operation in demanding industrial and scientific environments.
Technical Specifications
| Parameter | Specification |
| Product | EOLD-1140-015-1 |
| Type | NIR Infrared LED |
| Peak Wavelength | 1140 nm (1120–1160 nm) |
| Forward Current | Up to 100 mA |
| Forward Voltage | ~1.4 V |
| Viewing Angle | ~10° |
| Package | TO-46 Metal Can (Lens) |
| Mounting Type | Through-hole |
| Operating Temperature | -40°C to +85°C |
| Spectral Width (FWHM) | ~50–60 nm (typical class) |
| Applications | Gas sensing, spectroscopy, optical detection |
| Compliance | RoHS compliant |
Key Features and Advantages
1140 nm NIR Wavelength for Advanced Sensing
Operating at 1140 nm, the LED enables deeper penetration and improved absorption characteristics, making it ideal for spectroscopy and gas sensing applications.
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 ensures strong radiant output, improving detection accuracy in industrial and scientific applications.
Low Forward Voltage for Energy Efficiency
With a typical forward voltage of ~1.4 V, the LED offers energy-efficient operation while maintaining stable infrared emission.
Optimised for Spectroscopy & Absorption Applications
The 1140 nm wavelength is highly effective for absorption-based measurements, enabling accurate gas detection and material analysis.
Robust TO-46 Hermetic Package
The metal package ensures excellent mechanical strength, thermal stability, and protection against environmental conditions, ensuring long-term durability.
Stable Optical Output for Reliable Measurements
The LED delivers consistent and repeatable infrared emission, critical for analytical instruments and sensing systems.
Industrial-Grade Reliability
Designed for demanding environments, the LED offers long operational life and dependable performance, reducing downtime and maintenance costs.
Easy Integration into Systems
The through-hole configuration allows seamless integration into PCBs and optical assemblies for both prototyping and large-scale production.
Applications Across Industries
Gas Sensing & Environmental Monitoring
The 1140 nm wavelength is widely used in gas detection systems, enabling accurate measurement through infrared absorption techniques.
Spectroscopy & Optical Analysis
Ideal for spectroscopy applications where extended NIR wavelengths enhance chemical analysis and material identification.
Proximity & Motion Sensing
Used in proximity sensors and motion detection systems, providing reliable detection in automation and robotics applications.
Industrial Automation & Process Control
Supports automated systems for object detection, positioning, and process monitoring in manufacturing environments.
Biomedical & Analytical Applications
Used in diagnostic systems 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-1140-015-1. 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 specific application needs.
- Strong expertise in UV, VIS, IR, and SWIR THT LED technologies
- 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
- Genuine products sourced directly from the manufacturer
FAQs
What is the wavelength of EOLD-1140-015-1?
It operates at approximately 1140 nm in the near-infrared spectrum.
What is the viewing angle?
It has a narrow beam angle of around 10° for focused illumination.
What is the maximum forward current?
The LED supports up to 100 mA forward current.
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-1140-015-1?
It operates at approximately 1140 nm in the near-infrared spectrum.
What is the viewing angle?
It has a narrow beam angle of around 10° for focused illumination.
What is the maximum forward current?
The LED supports up to 100 mA forward current.
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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