Document Overview:

This document is a comprehensive datasheet for an OSRAM LED product (specifically, part of their "LE UW S2WN" series). It details the product's electrical, optical, and mechanical characteristics, along with crucial application notes, safety information, and revision history. It's designed for engineers and buyers involved in product design and procurement.

1. Product Identification & Series:

️· Product Series: LE UW S2WN (The datasheet provides a key to decipher the series name, explaining what each component of the code signifies – emission type, package type, and more).
️· Key Features: The document highlights features like brightness, chromaticity, and thermal resistance.
️· Revision History: A clear revision history tracks changes made to the datasheet over time, facilitating version control.

2. Electrical Characteristics:

️· Forward Voltage (Vf): Defines the voltage required for proper LED operation.
️· Reverse Operation: Cautions against reverse bias or insufficient forward voltage, which can damage the LED.
️· Typical Values: Notes that typical values are statistical and may vary between individual devices.

3. Optical Characteristics:

️· Brightness: Measured in lumens (lm), with specified tolerances and uncertainties.
️· Chromaticity: Describes the color appearance of the LED, with coordinate groups defined.
️· Chromaticity Coordinate Groups: Describes the color appearance of the LED, with coordinate groups defined.
️· Typical Values: Notes that typical values are statistical and may vary between individual devices.

4. Mechanical Characteristics:

️· Dimensional Drawing: Provides detailed mechanical dimensions and tolerances.
️· Package Dimensions: Specifies the package size and dimensions, important for PCB layout and assembly.
️· Transportation Box: Provides dimensions and specifications for the product's transport packaging.

5. Thermal Characteristics:

️· Thermal Resistance (Rth): Defines the resistance to heat flow, crucial for thermal management and ensuring LED longevity.

6. Application Notes & Warnings:

️· Eye Safety: Classifies the LED's risk level regarding eye safety according to IEC 62471, emphasizing potential for temporary visual impairment.
️· Material Composition: Addresses concerns about potentially hazardous substances in components, suggesting precautions during handling and storage.
️· Product Use Restrictions: Explicitly states that the LED is *not* intended for use in safety-critical or medical devices without specific assessment and collaboration with OSRAM.

7. Key Standards & Specifications:

️· The datasheet references several IEC standards (e.g., IEC 60286-3 for tape and reel specifications) to ensure adherence to industry best practices.

8. Terminology & Definitions:

️· The datasheet defines specific terms used throughout, such as "forward voltage," "thermal resistance," and "chromaticity coordinate groups."

Overall Impression: