Difference between revisions of "LEDs"
| Line 6: | Line 6: | ||
'''Packages''' | '''Packages''' | ||
| − | 3mm - very tiny also common | + | 3mm (T1) - very tiny also common |
| − | 5mm - very common | + | 5mm (T1 3/4)- very common through hole led |
10mm - uncommon, pretty fat led, awesome to play with | 10mm - uncommon, pretty fat led, awesome to play with | ||
Revision as of 13:13, 23 September 2011
LED stands for light emitting diode.
They come in multiple forms and shapes. Here are some of the more popular sizes
Packages
3mm (T1) - very tiny also common
5mm (T1 3/4)- very common through hole led
10mm - uncommon, pretty fat led, awesome to play with
0805 - surface mount
1206 -
PLCC-2 -
PLCC-4 - often used in bicolor leds
PLCC-6 - often used in tricolor leds
millicandela mcd
10mcd nice moderate indicator
100mcd pretty bright indicator
1000mcd very bright, look for a diffusor if you intend to use it
5000mcd really bright, things start tasting blue
10,000mcd You shouldn't look at this directly or indirectly, just stop looking
mcd to lumen calc
http://led.linear1.org/lumen.wiz
Colors
625nm AlGaInP - 2.1V Brilliant Red
617nm - 2.1V Amber
590nm - 2.2V Yellow
527nm InGaN - 3.4V Brilliant Green
470nm InGaN - 3.4V Blue
