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- WARNING: Do not install a 12 Volt LED light bulb into a standard residential 120 VAC socket as this will cause a short and burn out socket and bulb.
Product Information
- Non-Weatherproof, Indoor use only unless contained within weatherproof housing or used in conjunction with weatherproofing products
- This bulb is oversize, please see dimensions under Specifications tab.
Product Description
This household LED spotlight bulb is perfect for track lighting, recessed lighting, desk lights, display case lighting, trade show lighting, or outdoor fixtures with weatherproof housings. The MR16 (GX5.3) bi-pin bulb has 12 cool-running COB (chips-on-board) LEDs with an output of up to 370 lumens. The multifaceted reflector evenly displays a narrow 38° or 60° spot beam pattern and eliminates the appearance of a sharp contrast between illuminated and non-illuminated surfaces. GX5.3 Bi-pin base for easy plug-and-play installation. The energy-efficient bulb uses only 5 watts of power; an incandescent bulb with comparable light output would consume 35-40 watts. This LED bulb has 12V AC/DC operation and is designed to last 30,000 hours—25 times longer than incandescent bulbs. Cool white color. Price per bulb.


RoHS stands for Restriction of Hazardous Substances. Certain materials used in electronics and electrical products have been deemed hazardous to people and the environment and, therefore, must be limited. For a product to be RoHS compliant, testing must be performed and documented to show limited or no use of cadmium, hexavalent chromium, lead, mercury, polybrominated biphenyls, and polybrominated diphenyl ethers.

- Spot light replacement bulb for traditional MR16 halogen Bi-Pin base lamps
- 1 x 5 Watt COB(Chips-on-board) LED
- Narrow spot 38° or medium flood 60° beam angle
- 450 Lumen

Bright as a 45-50 Watt Halogen Bulb
Choose 38° or 60° Light Dispersion

Environment Friendly, Low Energy Draw

Will Outlast Dozens of Incandescent Bulbs
Up to 450 Lumens

Designed for RV and Boat Electrical Systems
IP (Ingress Protection) Rating

Specifications Print Specifications
Base Type | GX5.3 (MR16) | Bulb Type | MR16 |
---|---|---|---|
Comparable Wattage | 45-50 Watts Incandescent | Dimmable | No |
IP Rating | Non-Weatherproof | LED Quantity | 12 LEDs (COB) |
LED Type | COB (chip-on-board) | Lens | Clear |
Lens Type | Multifaceted reflector | Material | Aluminum, Plastic |
Oversize | Yes | Polarity Sensitive | No |
Standards And Certifications | RoHS Compliant | Type | Bi-Pin |
Operating Voltage Range | 12V AC/DC | ||
Package Weight: 2.4oz (0.07kg) | |||
Package Dimensions: 2.95" (7cm) x 2.07" (5cm) x 2.07" (5cm) | |||
All specifications are subject to change without notice. |
Base Type | GX5.3 (MR16) | ||
---|---|---|---|
Bulb Type | MR16 | ||
Comparable Wattage | 45-50 Watts Incandescent | ||
Dimmable | No | ||
IP Rating | Non-Weatherproof | ||
LED Quantity | 12 LEDs (COB) | ||
LED Type | COB (chip-on-board) | ||
Lens | Clear | ||
Lens Type | Multifaceted reflector | ||
Material | Aluminum, Plastic | ||
Oversize | Yes | ||
Polarity Sensitive | No | ||
Standards And Certifications | RoHS Compliant | ||
Type | Bi-Pin | ||
Operating Voltage Range | 12V AC/DC | ||
Package Weight: 2.4oz (0.07kg) | |||
Package Dimensions: 2.95" (7cm) x 2.07" (5cm) x 2.07" (5cm) | |||
All specifications are subject to change without notice. |
Part NO | Emitting Color | LED Wattage LED Wattage LED manufacturer's wattage rating | Total Power Consumption Total Power Consumption Total product power consumption, measured in watts, including drive circuitry and controllers that make up the entire lamp. | Intensity per LED | Intensity | Beam Angle Beam Angle Beam angle is used to express the width of the light emitting from the source. The narrower the beam angle the more focused the light energy is. Comparing two 40 watt lights one with a beam angle of 30(a) and another with a beam angle of 90(b), They both produce the same amount of light output but (a) will appear brighter in the beam angle compared to (b) at the sacrifice of light spread. ![]() | Milliwatt Milliwatt Royal Blue is binned by radiometric power and peak wavelength rather than photometric lumens and dominate wavelength | CCT / Wavelength CCT / Wavelength ![]() | CRI CRI ![]() | Luminous Efficacy Luminous Efficacy A unit of measurement for how effective a light source is in converting electrical energy to lumens of visible light. | Price Ea. | Weight | Lumen Per Dollar | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MR16-CW5W-60 | Cool 5900K | - | 4.2 W | 35000 mcd/led | 450 lm | - | - | 5900 K | - | 84 lm/w | (Discontinued) | - | 65.41 lumen/dollar | |
MR16-WW5W-60 | Warm 3000K | - | 4.2 W | 463300 mcd/led | 350 lm | - | - | 3000 K | - | 83 lm/w | (Discontinued) | - | 50.87 lumen/dollar | |
MR16-CW5W-38 | Cool 5900K | - | 4.4 W | 86175 mcd/led | 430 lm | - | - | 5900 K | - | 80 lm/w | (Discontinued) | - | 62.5 lumen/dollar | |
MR16-WW5W-38 | Warm 3000K | - | 4.4 W | 1139300 mcd/led | 390 lm | - | - | 3000 K | - | 88 lm/w | (Discontinued) | - | 54.93 lumen/dollar |
Dimensional Drawing
Product Photos











Overall Rating
Total Reviews
Rating Breakdown
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NamePaul
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Technical LevelAverage
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Part NumberMR16-CW5W-38
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Reviewed On01/20/14
Motorcycle Aux headlights
I am using them on my motorcycle as aux head lights mounted in weather tight enclosures that I designed and built. I don't have too many hours on the them yet but to this point I am very pleased with the light color and intensity . One major concern when adding lighting the motorcycles is the added load to to the electrical system, these lamps consume app. 5 watts each and have an output similar to 45 to 50 watt incandescent, these LED Lamps have a real advantage over traditional lamps and given the projected life the price is quite reasonable! I am now thinking of using them to supplement the backup lights on my snow plow truck. Another project!!
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NameBrent
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Technical LevelExpert
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Part NumberMR16-CW5W-38
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Reviewed On03/25/15
Saving $3.00 a week using 12 of these LED lights
We replaced twelve 50 Watt halogen lights with the MR16-CW5W-38 bulbs. Light output and color is identical to the halogen bulbs, with one tenth the power and heat of the Halogen bulbs. Energy savings is dramatic ... $3.00 a week, or $150.00 a year.
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NameJohn
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Technical LevelAverage
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Part NumberMR16-CW5W-38
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Reviewed On09/17/15
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NameBob
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Technical LevelAdvanced
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Part NumberMR16-CW5W-38
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Reviewed On05/20/16
LED replacement bulbs
I recently acquired some old landscape lights that used MR-16 Halogen bulbs. I refurbished the old lights and replaced the Halogen with these MR16-CW5W-38 bulbs. I have only had them working for a few days at this point but thus far they seem to work great. The cool white at a higher degree of Kelvin, produces a White with an ever so slight blue hue to it. I personally like the whiter contrast with the other existing landscape light with a more yellow color. I am using them to illuminate 5 globed bottle brush trees across the back yard. The trees are trimmed in approx. a 7' dia. globe with the foliage beginning about 7' from the ground.
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NameWilliam
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Technical LevelAverage
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Part NumberMR16-CW5W-38
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Reviewed On10/04/15
Crystal cabinet lighting
We are new to led lighting and were not certain which color was best for the built in display cabinet that I built earlier this year. We had the soft white version and wanted to see the difference the cool white would make.
Actually huge warm whites won out for this application but the cool whites are already ear marked for an upcoming winter project.
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NameLindsey
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Technical LevelAverage
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Part NumberMR16-CW5W-38
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Reviewed On11/03/15