5mm High-Brightness White LED (2-Pack)
Model:
276-017| Catalog #: 276-017
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Reviewed by 24 customers Sort by Displaying reviews 1-10 Previous | Next » Pros
Cons Best Uses Comments about RadioShack 5mm High-Brightness White LED (2-Pack): Used this led in a home made optical tester( Foucault) with a variable constant current source,
Comments about RadioShack 5mm High-Brightness White LED (2-Pack): We have evaluated the review from Erik of Seattle. He is correct - This item only has two leads. It was likely the mirrored-effect in the product image that made it seem as though there were three leads. We have updated the image, removing the mirrored-effect from the lead area. We apologize for any confusion and inconvenience. Pros
Cons Best Uses Comments about RadioShack 5mm High-Brightness White LED (2-Pack): The Radio Shack picture of this LED is incorrect. The LED only has 2 leads, not three.
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Cons Best Uses Comments about RadioShack 5mm High-Brightness White LED (2-Pack): I'm using a bunch of these to replace some old fuse lamps in a 1970s stereo receiver. I ran each LED in series with a 1k Ohm 1/2 watt resistor and a 24V DC source. Very bright, runs cool. 21 mA and 3.25V across the resistor. I'd buy these again!
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Cons Best Uses Comments about RadioShack 5mm High-Brightness White LED (2-Pack): Lou: you're overdriving it. White LEDs are a perversion of Blue LEDs. If you run them too hot they show their roots. Back off your current.
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Best Uses Comments about RadioShack 5mm High-Brightness White LED (2-Pack): I used these LEDs to play with my Arduino. I hooked up my potentiometer to fade it, but it turns out that the LEDs don't fade. They only turn on or off. They don't work if they have less power than a pre-defined threshold.
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Best Uses Comments about RadioShack 5mm High-Brightness White LED (2-Pack): I'm using a 5 volt dc transformer and a 68 ohms resister. The lights start our almost white then over a few minutes turn blue.
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Comments about RadioShack 5mm High-Brightness White LED (2-Pack): used it in the pair with a 9V battery and resistor in a small project box and on/off switch and discovered it should work for about 36-40 hours straight. longer if only used in emergency. gave it to my kid as a flashlight he can play with for hours
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Comments about RadioShack 5mm High-Brightness White LED (2-Pack): I use these LED's to replace the original light bulbs in my "O" scale locomotives. They stay at a constint brightness at any speed without dimming like regular bulbs. This is a super product.
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Cons Best Uses Comments about RadioShack 5mm High-Brightness White LED (2-Pack): In response to jim from Cambridge, MA:
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