3mm LEDs are handy to have in your go to drawer for those times when you need something a bit smaller.

Included in this 50 pack are:

10 Red Water Clear LEDs 10 Green Water Clear LEDs 10 Yellow Water Clear LEDs 10 Blue Water Clear LEDs 10 White Water Clear LEDs

50 LEDs total for just $4

I don’t have a maximum recommended current, but I would shoot for about 20 mA maximum (most LEDs are happy around that).

Remember to use a current limiting resistor, no resistor = instantly destroyed LED in most cases.

A customer asks "what resistor do I need for a 12v supply". Here is a rough ballpark formula for you for 1 or more led's in series which will get you around 20mA through them (give or take!)

Vf1 = (R+G+Y)*2.1 Vf2 = (B+W)*3.1 Vr = 12 - Vf1 - Vf2 Resistance = Vr / 0.02

where R G Y B and W are the number of each LED you are putting in series.

Note that if Vr is negative, you have too many led's in series :)

Example 2 Red, 1 Green and 1 Blue in series:

Vf1 = (2+1+0) * 2.1 = 6.3 Vf2 = (1+0) * 3.1 = 3.1 Vr = 12 - Vf1 - Vf2 = 12 - 6.3 - 3.1 = 2.6 Resistance = 2.6 / 0.02 = 130

See all my current listings: http://goo.gl/L40ps7

[ 50-led-selection-3mm ]