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LED MR16 Light Bulbs

Invented in 1971, The multifaceted reflectors were first used in slide projectors. The MR stands for "Multifaceted Reflector". The numbers 8, 11 and 16 represent the amount of eights-of-an-inch in the diameter of the reflector cup. So the MR16 is 16/8" in diameter, the MR11 is 11/8" and so on and so forth. The purpose of the multi facet reflector cup that covers the actual bulb about 3/4 of the way up and completely open on the top is to collect the light given off by the quartz halogen filament bulb and control the reflection to shine in one direction hence creating a "spot"-light. You will run into two different types of reflectors, one is the commonly used aluminum reflector which is faceted. The other is a textured acrylic coating that allows infrared radiation to go through it disallowing it all to be reflected towards the illuminated object therefore keeping the bulb and the object cooler.  MR Bulbs were only able to be installed in fixtures that can dissipate heat but since the new energy-saving LED technology requires less energy to operate, the bulbs do not heat up as much as their prior generation bulbs, The Halogens. This reflector is also built with different calibers designed to only emit a certain amount of light in a specific beam spread. It is stationary but the design will also control the beam angle. This is where the different beam angles come into play (Narrow Spot, Spot, Wide Spot, Narrow Flood, Flood and so on and so forth depending on how many different beam spreads the manufacturer would like to produce and/or offer. Older MR bulbs (i.e. Halogen) are made of quartz which can stand the high temperatures from the electric current subsequently generating a brighter light. The halogen gas combines with the vapor from the quartz glass. Once combined and at the correct temperature the tungsten filament will heat up so much as to generate light by exposing the electric current to halogen gas and the tungsten vapors. The quartz "glass" is also used to keep the oxygen away from the filament as it will also cause it to burn out. Another factor that will burn out your bulb is the oils from your skin. They cause damage to the quartz glass by trapping the outward moving heat from the bulb. It will continue to trap the heat causing the bulb to overheat and burn out.  That is why one should not touch the glass of a light bulb with your bare hands. If you happen to do so, simply grab a clean cloth, paper towel or rag and wipe any oils off. 

MR Bulbs were commonly constructed to operate with only 12V due to the heating up of the luminaire. This requires the use of a transformer to minimize the line voltage from the standard 120V to 12 or or 24 volts.

You will also find 120V versions but only on the MR16 for now. The MR8 and MR11 bulbs are too small to take the amount of heat of a 120V current. It will burn out quickly. You may start seeing 120V MR 8s and MR11s soon as the Lighting technology is advancing at an extremely fast pace.  

MR Bulbs also come with different style bases that go into the socket of a lamp. The standard base for MRs is a bi pin base. They also come with a medium base socket to fit in your ordinary bulb socket, Candelabra base is also used for MR bulbs. Let's not forget the GU10 which is a 120V bulb. and last but not least a bayonet base (like the type that's on a car light (Looks like an upside down frankenstein's head with the two studs sticking out on the sides. 


MR bulbs are commonly used in the following sectors of lighting: 


*Retail Lighting

*Recessed Ceiling Light

*Residential Lighting

*Landscape Lighting

*Bicycle Headlamp

*Table Lamps

*Bath Lighting

*Reading Lamps


Again, the Lighting Techs are advancing rapidly with their genius ideas that lead to even better creations so if you happen not to find what you are looking for, it might already been created and is on its way for us to sell. You never know. Please feel free to give us a call or submit your request to our "Contact Us" page to ask for that specific product that you're looking for and we promise to do our best to have it for you as soon as possible.