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- XLamp - Model CHA0304 Pro9 - Led
XLamp - Model CHA0304 Pro9 -Led
The XLamp® CHA LED family delivers an industry-leading combination of lumen density and efficacy in LES sizes as small as 3.3 mm. CHA family LEDs deliver 50% higher lumen density than the existing XLamp CMU family LEDs for significant improvements in beam angle and intensity. The XLamp CHA family LEDs are also compatible with the available ecosystem of holders and optics designed for high-intensity COBs.Pro9™ version LEDs deliver up to 15% higher efficacy for 90 and 95 color rendering index (CRI) over standard version LEDs without sacrificing color rendering quality. Pro9 LEDs feature the industry’s highest operating temperature rating of 105 °C and the same maximum current as the standard versions. In addition, all Pro9 LEDs share the same mechanical and electrical characteristics as the standard versions.XLamp CHA LEDs are optimized for premium indoor lighting applications, including track, spot and downlight, as well as outdoor lighting.
- 3.3-mm optical source
- Available in 90 and 95 CRI minimum options
- EasyWhite® 2- and 3-step binning
- Premium Color 3-step binning
- Forward voltage option: 21-V class
- 85 °C binning and characterization
- Maximum drive current: 300 mA
- 114° viewing angle, uniform chromaticity profile
- Top-side solder connections
- RoHS and REACH compliant
- UL® recognized component (E349212)
The maximum current rating of the CHA0304 Pro9 LED depends on the case temperature (Tc) when the LED has reached thermal equilibrium under steady-state operation. The graph shown below assumes that the system design employs good thermal management (thermal interface material and heat sink) and may vary when poor thermal management is employed. Either solder pad shown in the Mechanical Dimensions section on page 13 can be used as the Tc measurement point.
Another important factor in good thermal management is the temperature of the Light Emitting Surface (LES). Cree LED recommends a maximum LES temperature of 140 °C to ensure optimal LED lifetime. Please refer to the Thermal Design section on page 14 for more information on LES temperature measurement.