15watt 4 foot Daylight
Direct replacement for four-foot T8 fluorescent light bulb
-50% to 75% less power used than comparable fluorescents
-Less heat output than fluorescents
-Consistent light; no flickering; no UV rays
-Durable housing; no glass used
-100% recyclable
Power Consumption
Input Voltage Range
Power Factor
Luminous Flux
Color Temperature
Color Rendering Index
Efficacy
Number of LEDs
Length
Diameter
Weight/Mass
Materials
UL Listing Control #
Warranty
Catalog #
14.5 watts
85- 265 VAC
56.7%
1195 lumens
4100 - 5200 K
80.1
82.4 lumens/watt
276
48 inches 1219.2 mm
1 inch 25.4 mm
1.2 lb 0.54 kg
Polycarbonate Lens, Aluminum Chassis
ABS End Caps
46AY
3 year
T8D48-15W
Light Output Intensity - Spectral Distribution
CIE Color Parameters for Daylight Tube
Chromaticity Coordinate x=0.3403 y=0.3686
u=0.2019 v=0.3280
Correlated Color Temperature 5214K
Red Ratio 14.7%
Peak Wave: 456nm
Half Width 28.6nm
news and events
3/5/2010
Keeping Teens Up At Night
An article in The Week magazine discusses the effects of poorly lit classrooms on the sleep cycles of teenagers.
1/23/2010
OPTO 2010 - Part of SPIE Photonics West
OPTO 2010 - Part of SPIE Photonics West - January 23, 2010 to January 28, 2010 in San Francisco, CA, United States
12/1/2009
SSLdesign Summit
SSLdesign Summit - December 1, 2009 to December 2, 2009 in Los Angeles,Califonia, USA
11/9/2009
LED lighting Congressional Luncheon Briefing
Congress to be briefed on LED lightingCongressional Luncheon Briefing later this week will discuss how, with energy-efficient technology becoming a government priority, cities across the country are investing in greener lighting sources.
11/5/2009
Cree LED Lamps Selected for Initial 650 Store Deployment at Walmart
November 5, 2009...Cree, Inc. reports that it has been selected to provide energy-efficient LED lighting to Walmart for new stores and renovations.
