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Console Modding------ ( Here you can talk about your favorite Consoles ) => PSP's => PSP Phat (1000) => Topic started by: atomicareprise on June 16, 2009, 06:20:25 AM

Title: cellphone leds
Post by: atomicareprise on June 16, 2009, 06:20:25 AM

is there any way that i can know what my led's forward voltage is?

i use the leds from cellphones but i don't know the data sheet of the leds...

Title: Re: cellphone leds
Post by: DarkShot on June 16, 2009, 12:30:11 PM

Use google to check the usual forward voltage depending on the colour.

Most standard LEDs will have the same forward voltage all around for the same colour.

Title: Re: cellphone leds
Post by: atomicareprise on June 17, 2009, 06:16:51 AM

i still can't find the forward voltage of the leds...damn...

btw i'm using the leds from nokia :tup:

Title: Re: cellphone leds
Post by: EliteGamer83 on June 17, 2009, 07:14:40 AM

It's usually always a FV of about 2 volts just as a general guideline.

Title: Re: cellphone leds
Post by: atomicareprise on June 17, 2009, 08:21:21 AM

and what about the colors?some leds fv depend on color right?

white
red
blue (got 30 pcs.)
yellow
green
purple
orange

this are on my list to order...

Title: Re: cellphone leds
Post by: DarkShot on June 17, 2009, 04:52:06 PM

Quote from: atomicareprise on June 17, 2009, 08:21:21 AM

and what about the colors?some leds fv depend on color right?

That is exactly what I said

Title: Re: cellphone leds
Post by: EliteGamer83 on June 17, 2009, 07:32:23 PM

I found this:

color   voltage (Volts)
IR   1.5
red   2.0
orange   2.0
yellow   2.1
green   2.2
true green   3.3
blue   3.3
white   3.3
UV   3.3
blue (430 nm)   4.6

BUT 0603 are probably a bit lower.

Title: Re: cellphone leds
Post by: atomicareprise on June 17, 2009, 08:01:06 PM

Quote from: EliteGamer83 on June 17, 2009, 07:32:23 PM

I found this:

color   voltage (Volts)
IR   1.5
red   2.0
orange   2.0
yellow   2.1
green   2.2
true green   3.3
blue   3.3
white   3.3
UV   3.3
blue (430 nm)   4.6

BUT 0603 are probably a bit lower.

thanks...i'll just use this one as a guide...

thanks buddy...

Title: Re: cellphone leds
Post by: EliteGamer83 on June 18, 2009, 05:42:23 AM

Quote from: atomicareprise on June 17, 2009, 08:01:06 PM

thanks...i'll just use this one as a guide...

thanks buddy...

No problem.