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  • LOHAS® 10W LED Chip Cool White Bulb High Power Energy Saving Lamp Chip
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LOHAS® 10W LED Chip Cool White Bulb High Power Energy Saving Lamp Chip


Price: $7.99
Sale: $5.69 & FREE Shipping on orders over $35. Details
You Save: $2.30 (29%)
In Stock.
Sold by LOHAS-LED and Fulfilled by Amazon. Gift-wrap available.
10 Watts
  • Drive Voltage:30-34V;Chip power:10w
  • Size (L*D):30x20mm;Viewing angle:140 degree
  • Cool White.Color Tempreture:6000-6500K
  • Luminous(lv):900-1000lm
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Spring Performance Parts Sale
$5.69 & FREE Shipping on orders over $35. Details In Stock. Sold by LOHAS-LED and Fulfilled by Amazon. Gift-wrap available.


Technical Details

Wattage: 10 Watts
  • Easy to Install
  • Quiet
  • Durable
  • Powerchip
  • High Performance

Product Description

Wattage: 10 Watts

LOHAS LED Chips are made of high quality materials, durable for daily use. Very low heat generating, saving energy, environmentally friendly. Long service life. Low consumption, high brightness. Comfortable light source, harmless for skin and eyes. Great for making light sources for fish tank, decoration light, etc. LOHAS LED driver is an electrical device that regulates the power to an LED or string(s) of LEDs. What makes a driver different from conventional power supplies, is that an LED driver responds to the ever-changing needs of the LED, or circuit of LEDs, Supplying a constant amount of power to the LED, as its electrical properties change with temperature.

Product Information

Wattage: 10 Watts
Technical Details
Brand LOHAS-LED
Part Number DB22701
Item Weight0.3 ounces
Product Dimensions4.9 x 1.5 x 0.4 inches
Style Electronic
Color Cool White
Shape Square
Material Metal
Fixture Features Easy to Install, Quiet, Durable, Powerchip, High Performance
Power Source AC
Batteries Included?No
Batteries Required?No
Wattage 10 watts
  
Additional Information
ASINB00D132E20
Best Sellers Rank #247,172 in Home Improvement (See top 100)
Shipping Weight0.3 ounces (View shipping rates and policies)
Date First AvailableMay 27, 2013
  
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Important Information

Seller Warranty Description
12 Months Warranty

Wattage
10 Watts

Customer Questions & Answers

Customer Reviews

4.7 out of 5 stars
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Most Helpful Customer Reviews

34 of 34 people found the following review helpful By K&R in SD on March 23, 2014
Wattage: 100 Verified Purchase
This LED is OMG bright. After some trial and error, I have settled on 33V as being the optimal balance between light, heat generation and power draw. At 34V the chip worked but it was drawing slightly more than 100W after it came to thermal equilibrium. As this LED warms up, the power draw increases a few percent. I am using a large aluminum heat sink that can handle about 80W but not much more.

I soldered right onto the + and - terminals with stranded 16 Ga stranded wire. You might devise some other method but that works. For a power supply, I suggest something with an adjustable voltage so you can dial in just the current draw you want. As a starting point, figure on a maximum of 35 V and 4 A. You will not exceed those values, the LED is going to fail if you do. Pick an appropriate AC or DC power supply using those guidelines.

Consider using the heat sink from one of the older microprocessors that had a large die area and generated a lot of heat. Either that or have a fairly large piece of metal to attach this to. Use a small bit of thermal compound to improve heat conduction.

For a reflector and lens, check out some of the links on Amazon or maybe use an old and large flashlight. Again, be prepared for this to be quite hot.

The color temperature is like daylight, about 5600-6000K and color rendering seems good.
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24 of 24 people found the following review helpful By umirinbro on May 9, 2014
Wattage: 50 Verified Purchase
I like this LED module. It produces very bright, white light. So bright in fact that you should not look at it directly unless it's shielded.
Like another reviewer mentioned, this is not the only item you need but building a cheap, simple and POWERFUL LED module is easy.

My current setup is this:
2x 50 watt LED with HSF @ 33.0 volts running from a 12v ATX PSU.

I have not mounted a lens on these LEDs yet so the light output is at a 140 degree angle. I measured the light output with a probe at a distance of ~4-6 inches but only recorded data for a few voltages. The light intensity quickly drops off at a distance, so if the light intensity is 40,000 lux at 4-6 inches, it will be 10,000 lux at 12 inches and something like 2,000 lux at 24 inches. The distance of 4-6 inches was chosen because I simply had the LED assembly mounted on a box that was around 4-6 inches tall on my work bench.

Output @ 31.5 volts: ~46,000 lux
Output @ 32.5 volts: ~60,000 lux
Output @ 33.0 volts: ~70,000 lux

That's unfocused light output, and though I can't vouch for the complete accuracy of this data you can still use it as a rough metric, just not an absolute. Your results may vary.

If you're into technology, a ghetto engineer like I am, or have a degree from MIT, you might have most of the stuff necessary to build a great LED assembly on the cheap just laying around the house. In addition to this LED module (I got the 50 watt kind) you'll need the following items which you might just already have:

1) A heatsink large enough to dissipate heat this LED module puts out when running. I had a few stock CPU HSF (heatsink and fan) laying around from an i3 and an i7 processors, as well as a VGA heatsink from a fried Nvidia GT640.
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11 of 13 people found the following review helpful By LD2Comp on June 13, 2014
Wattage: 100 Verified Purchase
Extra info from an engineer:
The operating range is 24V-35V (1mA-3.5A). Power usage is essentially quadratic, proportional to V squared (P=V^2/R). So, at first, it looks like the power is low and light is low, but each volt added has an increasing rate of change on the light, Amp draw, and Watt power. Efficiency drops off as you increase voltage. It will be more and more heat proportional to power as well. They are very sensitive if you mixed up the terminals. Keep in mind that they are diodes. Google "properties of diodes" to understand if they are really dead. The + and - show the direction of the rows of the LEDs. THE TAB THAT IS POSITIVE is opposite of the side having the + and -, but use a multimeter ($10 on Amazon) to check.

Just an idea or 2: I used copper pipe and -u- shaped copper wall mounts, both in the plumbing isle from Home of D'Pot. If you want to go extreme, you can turn these into a water jacket (water cooling) by adding a pump and more pipes or you can fill and seal the pipe with water/antifreeze or salt water. At 32V and an empty copper pipe, this kept 3 cool. I'm buying more... This setup made it easy to put several of these in a row, taking care of mounting and cooling. Great for a planter. I made an aluminum stand using AL slats (from HD). I though about using the solid copper rod I saw in electrical, but it seemed a bit much and I can't pump water through it if the need arises.

Summary (ignoring constants):
light output = V^2
heat = V^2
Amps = V (normal for resistance) + V^2 (response to heat+light; above 26V for heat and 24V for light)
initial power will start at X (normal resistance) and increase by y^2 as heat increases and settles at some value.
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5 of 5 people found the following review helpful By Amazon Customer on November 29, 2014
Wattage: 100 Verified Purchase
This is an awesome toy, but it is not a light bulb. I've worked with LEDs as a production tech and had to redesign products in production that the (also unqualified) engineer screwed up. LEDs are current and heat sensitive devices. They require a constant current power supply and good heat sinking to be reliable. Their absolute maximum ratings are not their running specs. Run them at no more than 80% of their maximum ratings and you will never complain again (unless you unwittingly screwed up your calculations). Check the running temperature of your LED luminaire at the chip before putting it into service - multi-meters with temperature probes are cheap these days. Happy landings!
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