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3V~8.4V 5W Cree 3-Mode Circuit Board for Flashlights (16.7mm*5.6mm)

3V~8.4V 5W Cree 3-Mode Circuit Board for Flashlights (16.7mm*5.6mm)

2.75

5 (2 Reviews)

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  • 5 Star:501 (50%)
  • 4 Star:501 (50%)
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    • Overall Rating: 4
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 3
    2 DXPoints
    earned for this post
    Pumps out 1.1A! Very bright but only 80% efficient

    posted by desolder on 01/14/2010 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    This driver is pumping out 1.1A on high, so it's good for maximizing the brightness of single die LED's like the P4 and XRE/XPG. I am using it with 4AA, and the regulation is ruler flat from 6V to 4V. Cheep cheep driver... under $3... gotta love that. Be ...
    Cons:
    The measured efficiency is only 80%. This is pretty low for a buck regulator. The Zetex based driver (sku.3256) is 95% efficien...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Cheap and good

    posted by ItalianBoy on 07/18/2009 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week

    Pros:
    This driver fits pefectly in a p60 drop-in, although you should put some insulator on the top so that the Led+ and Led- don't short. The current is about 1A on high. The high mode is just as expected, and on low flickering is not noticeable.
    Cons:
    Low is much lower than stated, about 100mA or even less (just an estimation - didn't check it with a multimeter). Strobe is alm...
    View Detail » 
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