T8 Series 4' LED Linear Lamp

The Move to LED Just Got a Whole Lot Simpler.

Ultimate Flexibility The Cree® LED T8 Series is universally compatible with more than 90 percent of existing electronic T8 ballasts, including instant start, programmed start, rapid start and dimmable fluorescent ballasts, providing a level of flexibility unseen in the industry.

Simple Installation The easiest way to upgrade your fluorescent T8 electronic ballasts*, the Cree LED T8 Series can be installed by simply changing a lamp, making it a perfect upgrade option for spaces such as classrooms, healthcare facilities and commercial office spaces where energy savings and long life are critical.

Unrivaled Light Quality The Cree LED T8 Series is powered with Cree TrueWhite® Technology and is the only LED T8 lamp compatible with existing fluorescent ballasts available with 90 CRI. The oval shape provides uniform light distribution, immediately improving the light quality of any space.

Instant Energy Savings & Reduced Maintenance Offering 100 lumens per watt, the Cree LED T8 Series can immediately save as much as 30 percent in energy costs and provides payback in less than 3 years, when compared to 32W fluorescent T8s. The Cree LED T8 Series provides significant maintenance savings and virtually eliminates costly relamping.

Cree IS LED Lighting. Visit www.cree.com/lighting/t8series or contact a Cree lighting representative to learn more. Revolutionary Design. Unbeatable Compatibility. The Cree® LED T8 Series lamp delivers 2100 lumens of enhanced-spectrum 90 CRI light while achieving 100 lumens per watt. The Cree LED T8 lamp is available in neutral or cool color temperatures and operates on existing fluorescent T8 electronic ballasts. Easy to install, the Cree LED T8 lamp fits into existing linear fluorescent fixtures, making it an ideal solution for any retrofit lamp application.

Performance Summary

Operates on ballasts that support 25W/48T8/HF fluorescent lamps CRI: 90 Utilizes Cree TrueWhite® Technology CCT: 3500K, 4000K Limited Warranty†: 5 years Input Voltage: 120-347 VAC, determined by ballast Efficacy: 100 LPW at system level Lifetime: Designed to last 50,000 hours Lamp Delivered Light Output (1 Lamp): 2100 lumens per LED lamp** Controls: Dimmable (ballast dependent) Target Fixture Delivered Light Output (2 Lamps): 3800 lumens** Mounting: Linear fluorescent fixtures Input Power: 21 watts***

Product Specifications Photometry Cree TrueWhite® Technology A revolutionary way to generate high-quality white light, Cree (2) LEDT8-48-21L-35K INSTALLED IN A 2X4 RECESSED TROFFER BASED ON CESTL TrueWhite® Technology is a patented approach that delivers an REPORT TEST #: CESTL-PL03149-001 exclusive combination of 90+ CRI, beautiful light characteristics and 90˚ lifelong color consistency, all while maintaining high luminous efficacy 0 Coefficients Of Utilization - — a true no compromise solution. Zonal Cavity Method

Lumen Maintenance Factors 384 RC %: 80 70˚ • Reference www.cree.com/lighting for details RW %: 70 50 30 10 Construction & Materials 768 RCR: 0 119 119 119 119 • Lightweight aluminum heat sink housing provides strength and 1 110 105 101 98 durability 50˚ 1152 2 100 93 86 81 Optical System 3 92 82 74 68 • Specialized lens design for optimal light distribution and smooth 4 85 73 65 59 1536 visual effect 5 78 66 57 51 • Measured and designed to achieve optimal light performance in 0˚ 20˚ 6 72 59 51 45 existing fluorescent troffers 0˚ 90˚ 7 67 54 46 40 Fixture photometry has been Electrical System conducted by a NVLAP accredited 8 63 49 41 36 • Integral, high-efficiency driver and power supply testing laboratory in accordance with 9 59 45 37 32 • Utilizes existing fluorescent ballast IESNA LM-79-08. IESNA LM-79-08 specifies the entire luminaire as the 10 55 42 34 29 • Power Factor: = 0.9 nominal source resulting in a fixture efficiency • Input Power: Ballast dependent of 100%. Effective Floor Cavity Reflectance: 20% • Input Voltage: 120–277V, 347V, 50/60Hz • Battery Backup: Operates on emergency ballasts that support Average Luminance Table (cd/m2) Zonal Lumen Summary 25W/48T8/HF fluorescent lamps Horizontal Angle Zone Lumens % Lamp Luminaire

• Temperature Rating: Designed to operate in temperatures 0˚ to 35˚C 0° 45° 90° 0–30 117.8 N/A 31.0% • Total Harmonic Distortion: < 20% 45° 2056 1876 1757 0–40 1920.1 N/A 50.6% • Not for use with magnetic ballasts 55° 1780 1608 1420 0–60 3210.0 N/A 84.6% • Not for use or to be wired to "mains voltage" 65° 1227 1137 1111 0–90 3795.4 N/A 100% Vertical Angle Vertical Controls 75° 1116 723 963 0–180 3795.4 N/A 100% • Dimmable (Ballast dependent) 85° 1531 1061 1079 Regulatory & Voluntary Qualifications • UL Listed to UL 1993, UL 8750, CSA C22.2 No. 1993-12 & CSA C22.2 No. 250.13-12 Reference www.cree.com/lighting for detailed photometric data. • DLC qualified • Suitable for damp locations • Designed for indoor use * Operates on ballasts that support 25W/48T8/HF fluorescent lamps ** Nominal ballast factor *** Varies by ballast † See www.cree.com/lighting/products/warranty for warranty terms

© 2014 Cree, Inc. All rights reserved. For informational purposes only. Not a warranty or specification. See www.cree.com/lighting for specifications. Cree®, the Cree logo, Cree TrueWhite® and TrueWhite® are registered trademarks of Cree, Inc. CAT/SSHT-C030 Rev. Date 05/05/2014