LED THT EOLD-1550-015-1
LED THT EOLD-1550-015-1
High Precision SWIR Source for Sensing and Industrial Systems – 1550nm IR LED EOLD-1550-015-1
Understanding LED THT EOLD-1550-015-1
The EOLD-1550-015-1 operates at a peak wavelength of 1550 nm (1520–1580 nm range), a critical region for optical sensing and communication systems. It supports forward currents up to 100 mA with a typical forward voltage of approximately ~1.3 V, ensuring efficient operation.
The LED features a narrow viewing angle (~10°) enabled by its lens-based TO-46 design, allowing precise and directional infrared illumination. TO-can lens structures are specifically designed to focus light and increase brightness at the target area.
Its hermetic metal package ensures excellent thermal stability and environmental protection for continuous operation.
Technical Specifications
| Parameter | Specification |
| Product | EOLD-1550-015-1 |
| Type | SWIR Infrared LED |
| Peak Wavelength | 1550 nm (1520–1580 nm) |
| Forward Current | Up to 100 mA |
| Forward Voltage | ~1.3 V |
| Viewing Angle | ~10° |
| Spectral Width (FWHM) | ~100–120 nm |
| Package | TO-46 Metal Can (Lens) |
| Mounting Type | Through-hole |
| Operating Temperature | -40°C to +85°C |
| Applications | Gas sensing, spectroscopy, optical communication |
| Compliance | RoHS compliant |
Key Features and Advantages
1550 nm SWIR Wavelength for Advanced Optical Applications
Operating at 1550 nm, the LED is optimised for optical communication, spectroscopy, and gas sensing applications, where this wavelength offers low attenuation and strong absorption characteristics.
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.
Optimised for Optical Communication Systems
The 1550 nm wavelength is widely used in fibre-optic communication due to minimal signal loss, making this LED suitable for optical transmission and testing systems.
Stable Optical Output for Reliable Detection
The LED delivers consistent and repeatable infrared emission, enabling accurate measurements in spectroscopy and sensing applications.
Lens-Based Design for Enhanced Brightness
The integrated lens focuses light efficiently, increasing radiant intensity at the target point, improving detection performance.
Robust TO-46 Hermetic Package
The metal package ensures excellent mechanical strength, thermal stability, and environmental protection, enabling long-term reliability.
Efficient Thermal Management
The TO-can design supports effective heat dissipation, ensuring stable performance even under continuous operation at higher currents.
Industrial-Grade Reliability
Designed for demanding environments, the LED offers long operational life and dependable performance, reducing 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
Optical Communication & Fibre Optics
The 1550 nm wavelength is widely used in fibre-optic communication systems due to low attenuation, enabling efficient long-distance signal transmission.
Gas Sensing & Environmental Monitoring
Used in infrared absorption-based gas detection systems, enabling accurate measurement of gas concentrations in industrial and environmental applications.
Spectroscopy & Optical Analysis
Ideal for spectroscopy applications where SWIR wavelengths enable precise chemical analysis and material identification.
Biomedical & Medical Applications
Applied in diagnostic systems and optical imaging, where SWIR wavelengths enable deeper tissue interaction and non-invasive analysis.
Industrial Automation & Process Control
Used in automated systems for object detection, positioning, and process monitoring in manufacturing environments.
Security & Defence Systems
Supports infrared-based detection systems used in surveillance, targeting, and sensing applications.
Research & Scientific Applications
Widely used in photonics research, experimental setups, and optical testing systems requiring stable and focused SWIR light sources.
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-1550-015-1. 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 requirements.
- Solutions suitable for environmental monitoring and gas analysis systems
- Strong understanding of photonics and semiconductor-based technologies
- Support for prototype development and pilot production requirements
- Access to advanced infrared and near-infrared THT emitters
- Professional consultation for custom optoelectronic applications
FAQs
What is the wavelength of EOLD-1550-015-1?
It operates at approximately 1550 nm in the SWIR 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 optical communication, gas sensing, 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-1550-015-1?
It operates at approximately 1550 nm in the SWIR 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 optical communication, gas sensing, 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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