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large 1w warm white power star led
additional size

3W Power LED Star White

Stock code: 3548
Pricing:Ex VATInc VAT
1+£2.10
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£2.52
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10+£2.00
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£2.40
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25+£1.90
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£2.28
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SKU: 3548 Categories: , , Tags: , Brand:

These power LED stars offer an extremely high light output in an energy efficient way. The power LED comes mounted on to special PCB star that acts to draw heat away from the LED, therefore extending it operational life. This makes them perfect for many lighting applications, a datasheet can be viewed detailing a few applications.

Forward Voltage: 3.5V – 4.0V
Angle: 110deg
Luminous Intensity: 67000mCd
Colour Temp: 6000K – 7000K

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Questions and answers

    Hi there, I want to try and make a light to use on my mountain bike....I want to make it as bright as possible....would it be possible for you to put together a list of products from your site and I will buy.... I am looking to make a light at least 2000 lumens....Dave
  1. 0 votes
    Q Hi there, I want to try and make a light to use on my mountain bike....I want to make it as brigh...... Read more
    Asked by David on January 29, 2018 12:00 am
    Answered by the admin Hi David, I believe I spoke to you on the phone earlier today, unfortunately none of our items would be suitable for this as although you could create a circuit it wouldn't be practical.
    2. I am looking to connect six of these into a ring format. Should I connect them in parallel and use a PSU? Thanks
  2. 0 votes
    Q I am looking to connect six of these into a ring format. Should I connect them in parallel and us...... Read more
    Asked by Lizzie on February 7, 2017 12:00 am
    Answered by the admin Hi Lizzie, You would need to connect them in parallel, and you would need to defiantly use a power supply. One that is rated 5V 5A.
    3. Can you suggest suitable batteries to power these LED's? I'll probably have about 6 of them in a scale model to light it from the inside.Thanks in advance.
  3. 0 votes
    Q Can you suggest suitable batteries to power these LED's? I'll probably have about 6 of them in a ...... Read more
    Asked by Phill on July 11, 2016 12:00 am
    Answered by the admin Hi Phill, Unfortunately due to the current drain of the LED star batteries are not recommended as shown in this datasheet in the section ‘using the LED’, Using_a_Kitronik_3W_star_LED.pdf and on the second page it shows what power supply should be used.
    4. Is this LED able to be dimmed?
  4. 0 votes
    Q Is this LED able to be dimmed?
    Asked by Joshua Budgen on February 4, 2016 12:00 am
    Answered by the admin You might be able to use a potentiometer, however you would need to ensure this is rated to at least 3W. You might find though that as you turn the potentiometer there is little difference in the brightness and then suddenly the Led will turn off. The best way to do this is to use a micro-controller to quickly turn the LED on and off.
    5. Does this LED require a heat sink?
  5. 0 votes
    Q Does this LED require a heat sink?
    Asked by Keith on July 23, 2015 12:00 am
    Answered by the admin No you don’t require a heat sink, the power LED comes mounted on to special PCB star that acts to draw heat away from the LED, therefore extending its operational life. However please note during use the star LED and resistor will become hot and as such shouldn’t be touched.
    6. Would a 5v 1amp USB charger be suitable to power this LED using the curcuit https://www.kitronik.co.uk/blog/how-to-use-3w-star-led, if not would a 5v 2amp charger be sufficient?
  6. 0 votes
    Q Would a 5v 1amp USB charger be suitable to power this LED using the curcuit https://www.kitronik....... Read more
    Asked by Keith on July 20, 2015 12:00 am
    Answered by the admin The 3W LED star draws around 300mA, so a 5V 1A power supply would be suitable.
    7. Do you sell a kit to run this LED. What power supply would be required. If no kit is available could you provide the parts requied to produce a simple lamp.THANKS,Howard BevanAfon Taf High School.
  7. 0 votes
    Q Do you sell a kit to run this LED. What power supply would be required. If no kit is available co...... Read more
    Asked by howard bevan on February 11, 2015 12:00 am
    Answered by the admin There isn’t a kit for this one but if you use this tutorial on how to use a 3W LED star that shows the components required for the circuit how-to-use-3w-star-led
    8. If used with the USB power lead what size resistor will I need? Can USB produce enough current safely?
  8. 0 votes
    Q If used with the USB power lead what size resistor will I need? Can USB produce enough current sa...... Read more
    Asked by stuart on April 20, 2014 12:00 am
    Answered by the admin You cannot use this LED from a USB power lead. It requires too much current. You can use the 1W version through as detailed here: how-to-use-3w-star-led
    9. what sizes do these come in????
  9. 0 votes
    Q what sizes do these come in????
    Asked by zach lees on October 26, 2012 12:00 am
    Answered by the admin The star is 20mm across. If you click on the images just under the main product image there are some mechanical drawings.
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