3 Watt Cree Led Lumens

Energy saving lamps have high luminous efficacy more lumens per watt.

3 watt cree led lumens.

The luminous flux φ v in lumens lm is equal to the power p in watts w times the luminous efficacy η in lumens per watt lm w. Buy american compliant the larson electronics ledlb 21 3c led light bar offers high light output in a light weight durable low profile housing combined with versatile mounting and power options. Energy saving lamps have high luminous efficacy more lumens per watt. With its breakthrough light output and efficacy the xm l led is designed for very high lumen applications such as high bay indoor commercial or roadway lighting.

Reaching the landmark achievement much faster than previously believed possible this result surpasses cree s previous r d industry best of 276 lumens per watt announced just over a year ago. A rubber booted push button switch in the tail makes it easy to turn the light on and off. This makes many high power leds and in this particular case the cree xp l not just a 1 watt led but a 1 watt led all the way to a 10 watt led. φ v lm p w η lm w watts to lumens calculation.

Durham nc cree inc. Industry leading portfolio of high power leds in discrete cob and color platforms. The power p in watts w is equal to the luminous flux φ v in lumens lm divided by the luminous efficacy η in lumens per watt lm w. P w φ v lm η lm w lumens to watts table.

Broadest selection of size power color and optics. Designed to enable lower system costs for lighting manufacturers the xlamp xb d led doubles the lumens per dollar of previously available leds. Cree records another significant led milestone with the demonstration of 303 lumens per watt from a white high power led. Watts to lumens calculator lumens to watts calculation formula.

Superior value in standard package mid power leds. Lumens to watts calculator watts to lumens calculation. The datasheet for xlamp 3 white led quotes an average luminous flux of 76 lumens although the maximum output is in the mid 90 lumen range says norbert hiller vice president and general manager of cree lighting. The led pocket flashlight is a small multi task light capable of easily reaching light output ranges of approximately 600 feet.

The luxeon i at only 350ma was a whooping 3 42v f or 1 197w while the cree xlamp xp l at 350ma is only 2 87v f or 1w and at 3000ma 8 5 times higher current is a meager 3 46v f or 10 38 watt. Xlamp xm l leds offer the unique combination of very high efficacy at very high drive currents delivering 1000 lumens with 100 lumens per watt efficacy at 3 a in a compact 5 mm x 5 mm footprint. Cree delivers the industry s widest portfolio of high performance leds. Built on cree s sc technology platform the xb d white led delivers up to 139 lumens and 136 lumens per watt in cool white 6000 k or up to 107 lumens and 105 lumens per watt in warm white 3000 k both at 350 ma and 85 c.