OSRAM LE CW E3A OSTAR Lighting without Optics Datasheet

The document describes the features and characteristics of LE CW E3A OSTAR® - Lighting without Optics Lead (Pb) Free Product - RoHS Compliant. This product achieves outstanding brightness and luminance through pure surface emission and low thermal resistance technology. The typical color coordinates are x = 0.42, y = 0.40 according to CIE 1931 (white), with color temperatures available in 2700 K, 3000 K, 3500 K, 4000 K, and 4500 K. The color reproduction index is 80 and the viewing angle is Lambertian Emitter (120°). The product is suitable for general lighting, microscope illumination, traffic signs, and high-quality flashlights.


OSRAM LE CW E3A OSTAR Lighting without Optics Datasheet - cover page
Brand
Osram
Category
Other Electronics
Document type
Datasheet
Language
German
Pages
19
File format
PDF
File size
812 KB
Published
10 May, 2012
Updated
28 September, 2023
Model
E3A
MD5 checksum
0DDF323100AE705FB9451767D5EC2C0C

About this manual

The LE CW E3A OSTAR is a surface‑emitting LED module with very high brightness and luminance. It is offered in several colour‑temperature options (2700 K‑4500 K) and packaged in screw‑mountable trays of 60 units.

The document provides electrical limits, thermal characteristics, optical performance and ordering information, as well as safety notes for life‑support applications. All values are given for a test current of 700 mA unless otherwise noted. This manual is written in German.

What's inside

  • Features
  • Ordering Information
  • Maximum Ratings
  • Electrical Characteristics
  • Thermal Characteristics
  • Optical Performance
  • Brightness Groups
  • Chromaticity Groups
  • Packaging and Safety
  • Revision History

Specifications

Operating temperature range-40 °C … +100 °C
Junction temperature (max)150 °C
Maximum forward current per chip1000 mA
Typical forward current used for specs700 mA
Reverse voltageNot designed for reverse operation
Power consumption per module27 W
Luminance (typical)1.7 × 10⁶ cd/m²
Optical efficiency (typical)33 lm/W at 350 mA, 3500 K
Packaging quantity60 pieces per tray

Frequently asked questions

What is the maximum forward current for each LED chip?

The maximum forward current per chip is 1000 mA.

What optical efficiency does the LE CW E3A achieve?

Typical optical efficiency is 33 lm/W at 350 mA and a colour temperature of 3500 K.

Which colour‑temperature options are available?

The module is offered in 2700 K, 3000 K, 3500 K, 4000 K and 4500 K.

How many LEDs are packed in each shipping unit?

Each packing unit contains 60 LEDs arranged in a tray.

Download PDF (812 KB)

More Osram Manuals


View all Osram manuals →