LED THT EOLD-1140-095-1
High Precision NIR Source for Sensing and Industrial Systems – 1140nm IR LED EOLD-1140-095-1
The EOLD-1140-095-1 is a high-performance 1140 nm near-infrared (NIR) LED engineered for advanced sensing, spectroscopy, and industrial automation applications. Developed 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 a flat window, 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-1140-095-1 is widely used in gas sensing, moisture detection, spectroscopy, and optical measurement applications. Its wide emission profile enables uniform infrared coverage, improving detection efficiency and enhancing measurement reliability in laboratory and industrial environments. The flat window design supports efficient light distribution, making it suitable for compact sensing systems and specialised optical equipment requiring stable NIR illumination. Its strong radiant output ensures dependable operation in continuous-use monitoring and automation applications.
The compact and durable construction of the EOLD-1140-095-1 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 wide-angle NIR illumination, rugged packaging, and dependable long-term performance, the EOLD-1140-095-1 provides an excellent solution for applications requiring precise, stable, and high-quality infrared light sources.
Understanding LED THT EOLD-1140-095-1
The EOLD-1140-095-1 operates at a peak wavelength of 1140 nm (1120–1160 nm range), making it highly effective for absorption-based sensing and spectroscopy applications. It delivers radiant power up to ~27 mW at 100 mA, ensuring strong and stable signal output.
Unlike narrow-beam emitters, this LED features a wide viewing angle of ~100°, enabled by its flat window design, allowing uniform illumination across larger areas.
Its hermetic TO-46 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-1140-095-1 |
| Type | NIR Infrared LED |
| Peak Wavelength | 1140 nm (1120–1160 nm) |
| Optical Output Power | ~14 – 27 mW |
| Forward Current | Up to 100 mA |
| Forward Voltage | ~1.4 – 1.9 V |
| Spectral Width (FWHM) | ~61 nm |
| Viewing Angle | ~100° |
| Radiant Intensity | ~5–10 mW/sr |
| Package | TO-46 Metal Can (Flat Window) |
| Mounting Type | Through-hole |
| Operating Temperature | -40°C to +85°C |
| Compliance | RoHS & REACH compliant |
Key Features and Advantages
1140 nm NIR Wavelength for Deep Sensing Applications
Operating at 1140 nm, the LED enables deeper material penetration and improved absorption characteristics, making it ideal for spectroscopy, moisture detection, and gas sensing applications.
Wide Beam Angle for Uniform Illumination
With a ~100° viewing angle, the flat window design ensures broad and even infrared distribution, making it suitable for large-area sensing and detection systems.
High Radiant Output for Strong Signal Detection
Delivering up to ~27 mW radiant power, the LED provides strong signal strength, improving measurement accuracy in analytical and industrial systems.
Flat Window Design for Diffused Emission
Unlike lens-based LEDs, the flat window enables uniform light dispersion, enhancing performance in proximity sensing, gas detection, and optical monitoring systems.
Robust TO-46 Hermetic Package
The metal package ensures excellent mechanical strength, thermal stability, and resistance to environmental factors, ensuring long-term durability.
Efficient Thermal Management
TO-can packaging supports effective heat dissipation, allowing stable performance even at higher drive currents (up to 100 mA).
Stable Optical Output for Reliable Measurements
The LED delivers consistent and repeatable infrared emission, which is critical for spectroscopy systems and sensing applications.
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 design 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.
Moisture Detection Systems
This wavelength is particularly effective for detecting water content in materials, making it suitable for industrial moisture monitoring applications.
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, enabling reliable detection in automation and robotics.
Industrial Automation & Process Control
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.
Biometric & Security Systems
Infrared illumination supports biometric authentication and security systems, improving detection performance in controlled environments.
Why Choose United Spectrum Instruments?
United Spectrum Instruments is a trusted distributor of advanced photonics components in India. We provide expert consultation, product selection guidance, and integration support for infrared LEDs like the EOLD-1140-095-1. 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 requirements.
- Genuine products sourced directly from the manufacturer
- Fast quotation, technical response, and application assistance
- Experience supporting OEMs, research labs, and industrial automation companies
- Assistance in selecting suitable LEDs for biomedical and analytical systems
FAQs
What is the wavelength of EOLD-1140-095-1?
It operates at approximately 1140 nm in the near-infrared spectrum.
What is the optical output power?
It delivers up to approximately 27 mW radiant power at 100 mA.
What is the viewing angle?
It offers a wide beam angle of about 100° for uniform illumination.
What applications is it best suited for?
It is used in gas sensing, moisture detection, spectroscopy, 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-1140-095-1?
It operates at approximately 1140 nm in the near-infrared spectrum.
What is the optical output power?
It delivers up to approximately 27 mW radiant power at 100 mA.
What is the viewing angle?
It offers a wide beam angle of about 100° for uniform illumination.
What applications is it best suited for?
It is used in gas sensing, moisture detection, spectroscopy, 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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