The CREE XHP70 2 Datasheet is more than just a technical document; it’s the key to understanding one of the most powerful and efficient LEDs available today. It contains essential information for engineers, designers, and hobbyists looking to integrate this high-performance light source into their projects. By carefully analyzing the data provided in the CREE XHP70 2 Datasheet, you can unlock the full potential of this LED and create innovative lighting solutions.
Decoding the CREE XHP70 2 Datasheet: A Comprehensive Guide
The CREE XHP70 2 Datasheet is a comprehensive document detailing the electrical, optical, and thermal characteristics of the XHP70.2 LED. It is used to inform design decisions related to power supply requirements, heat sinking, lens selection, and overall system performance. Understanding this datasheet is critical for ensuring optimal performance and longevity of the LED. It is essential to consult the datasheet to understand things like:
- Forward Voltage (Vf): The voltage required to drive the LED at a given current.
- Luminous Flux: The total amount of light emitted by the LED, measured in lumens.
- Color Temperature (CCT): The perceived color of the light emitted, measured in Kelvin.
- Color Rendering Index (CRI): A measure of how accurately the LED renders colors compared to a natural light source.
One of the primary uses of the CREE XHP70 2 Datasheet is to determine the appropriate drive current for the LED. Exceeding the maximum rated current can lead to overheating and premature failure. Conversely, under driving the LED will reduce its light output and efficiency. The datasheet provides detailed charts and graphs illustrating the relationship between drive current, forward voltage, luminous flux, and other key parameters. This information allows designers to optimize the LED’s performance for specific applications. Understanding Thermal Resistance is also critical. The junction temperature must be kept below its maximum rating for reliable operation. The datasheet provides information on thermal resistance, which can be used to calculate the required heat sink size and type.
Beyond electrical and thermal characteristics, the CREE XHP70 2 Datasheet also provides valuable information about the LED’s optical properties. This includes its radiation pattern, which describes how light is distributed in space. This information is crucial for selecting the appropriate lens or reflector to achieve the desired beam angle and light distribution. For example:
- Beam Angle: The angle at which the light intensity is half of its maximum value.
- Viewing Angle: The angle at which the light intensity is a certain percentage of its maximum value.
| Parameter | Typical Value |
|---|---|
| Forward Voltage | 6V or 12V (depending on configuration) |
| Maximum Current | 4.8A |
The XHP70.2 is designed to produce a very high amount of light from a single point source. Carefully reviewing the optical characteristics within the datasheet helps the designer create a high performing, useful lighting product.
For the most accurate and detailed information about the CREE XHP70 2 LED, it’s always best to consult the official datasheet provided by CREE. This datasheet contains the most up-to-date specifications and performance characteristics.