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Offered here is a set of 10 Luxeon white LED’s. These are 1 watt white LED’s. The bin code for these is RV1J which means that they produce a white light at about 8,000 degrees K. These have not been used and are still in the cut tape from a reel of 250. Date of manufacture is 20 Feb., 2006. I prefer to drive these with a micro puck type LED driver at 350 ma the forward voltage is usually around 3.4V. The angle of view is about 100 degrees. These will require a heatsink. Check this link for all technical data: http:// /pdfs/DS25.pdf The LXHL-PW01 White Luxeon® Emitter is a "building block" LED that is less than 12.7mm (½") in diameter and 6.3mm (¼") high. It is specifically designed to be used in your own integrated lighting solutions. * Produces 45 Lumens of White light * More energy efficient than incandescent and most halogen lamps * Instant light (less than 100 ns turn-on time) * Cool beam, safe to the touch Q: Can I run these straight off a 3V battery or do I need a special driver for them? A: You can, BUT- the battery will run-down a lot faster. If you use a big battery, you run the risk over-driveing the LED and burning it out sooner. If you do not want to use a driver, you could use 3 - 4 volts of battery power and put a resistor in series with the LED. For most applications, you really should use a driver. I like the LED Dynamics micro puck , it runs about $11 and gives you constant current at .8 - 3 volts. This means that if you use batteries, the light output will remain constant over the life of the battery instead of dimming over time. Here is the LED Dynamics site - http:// /LuxDrive/content/Page_drivers. Q: Do these require a heatsink? A: Yes, a small heatsink is required. The heatsink must be electrically isolated from the power connections. Q: Are these Warm White LED's? A: No, these are White LED's. The color temp. is about 8,000 K. (10 luxeon 1W white led's on cut tape was posted and is owned by: Francis Marsh) |
francismarsh@chicagopartsnetwork.com (Francis Marsh) for more information.
