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====== LEDs ======

LEDs tend to be used in one of two ways: either for indication or illumination.

Indicator LEDs are low power, cheap LEDs that don't emit much light. For example, LEDs used to indicate that power is plugged in, or that a battery is charged. You can use high output LEDs and put less current through them (by using a larger series resistor)

Illumination LEDs are high power, more expensive and can be used to actually light something up. For example, LED headlamps, bike lights, christmas tree lights, etc.

===== Indicator LEDs =====
==== 3mm (T-1) package ====


^ Image ^   Description   ^   Part #   ^  Distributor  ^ 
| {{http://www.ladyada.net/images/parts/3mmredled_t.jpg}} | Diffused Red Dim  (~10 mcd)  | LITE-ON LTL-1CHE  |  [[http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=160-1708-ND|Digikey]] [[http://www.jameco.com/webapp/wcs/stores/servlet/ProductDisplay?langId=-1&storeId=10001&catalogId=10001&pa=790129&productId=790129&keyCode=WSF|Jameco]]  [[http://www.mouser.com/search/ProductDetail.aspx?R=LTL-1CHEvirtualkey57820000virtualkey859-LTL-1CHE|Mouser]] | 
|  "  | Diffused Red Dim (~20 mcd) | Kingbright 	WP7104LSRD | [[http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=754-1246-ND|Digikey]] |  
|  "  | Diffused Red Bright (~150mcd) | Kingbright  WP7104SRD/D | [[http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=754-1255-ND|Digkey]] | 
|  "  | Diffused Red Bright (~150mcd)  | [[http://rocky.digikey.com/WebLib/Lite-on/Web%20Data/LTL-4266N.pdf|LITE-ON LTL-4266N]]  | [[http://www.mouser.com/ProductDetail/Lite-On/LTL-4266NR/?qs=sGAEpiMZZMs4quMj8r4lmmlAlq2vnp%252bGQ58m57QATG0%3d|Mouser]] | 
|  {{http://www.ladyada.net/images/parts/3mmgreenled_t.jpg}}  |  Diffused green  dim (20mcd) |  Kingbright WP7104GD  | [[http://mouser.com/ProductDetail/Kingbright/WP7104GD/?qs=sGAEpiMZZMt82OzCyDsLFNaJTbVLEON1fkjqPhLCBXk%3d|Mouser]]  |
|  "  |  Diffused green medium (40mcd) |  Kingbright WP7104GSD  | [[http://mouser.com/ProductDetail/Kingbright/WP7104SGD/?qs=sGAEpiMZZMt82OzCyDsLFBKLaYUFsfojhLXYbQQWq4s%3d|Mouser]]  |
|[[http://mouser.com/ProductDetail/Kingbright/WP7104GD/?qs=sGAEpiMZZMt82OzCyDsLFNaJTbVLEON1fkjqPhLCBXk%3d|Mouser]]  |
|  "  |  Diffused green medium (40mcd) |  Kingbright WP7104GSD  | [[http://mouser.com/ProductDetail/Kingbright/WP7104SGD/?qs=sGAEpiMZZMt82OzCyDsLFBKLaYUFsfojhLXYbQQWq4s%3d|Mouser]]  |
|{{http://www.mouser.com/images/microsites/Kingbright_wp7113id5v.jpg}} | Standard LEDs - Through Hole Red 25mcd 625nm 40 deg with Built-in 5V Resistor \\ Standard LEDs - Through Hole Grn 25mcd 568nm 40 deg with Built-in 5V Resistor \\  Standard LEDs - Through Hole Yel 15mcd 588nm 40 deg with Built-in 5V Resistor| WP7113ID5V WP710A10SGD5V WP710A10YD5V |[[http://www.mouser.com/new/optoelectronics/kingbright-resistor-LEDs/n-5g5vZ33yd71|Mouser]]|

==== 5mm (T-1 3/4) package ====
^ Image ^ Description ^ Part # ^ Distributor |
|  {{http://s3.amazonaws.com/ladyadanet_partimages/3mmreddiffLED.jpg?100}}  | Red diffused 300-400mcd  | [[http://www.us.kingbright.com/images/catalog/SPEC/WP7113SRD-D.pdf|WP7113SRD/D and WP7113SRD/E]] | [[http://mouser.com/ProductDetail/Kingbright/WP7113SRD-D/?qs=sGAEpiMZZMs4quMj8r4lmiytw%252bIhznrubJ1PVM1e3Xk%3d|Mouser]] |
|  {{http://www.ladyada.net/images/parts/3mmgreenled_t.jpg}}  |  Green diffused 40mcd  |  [[http://www.us.kingbright.com/images/catalog/SPEC/WP7113SGD.pdf|WP7113SGD]]  |  [[http://www.mouser.com/ProductDetail/Kingbright/WP7113SGD/?qs=sGAEpiMZZMs4quMj8r4lmqZnfBbSTC6q5aEqwUtZY3E%3d|Mouser]]  |
|    |  Yellow diffused 600mcd+  |  [[http://www.us.kingbright.com/images/catalog/SPEC/WP7113SYD.pdf|WP7113SYD]]  |  [[http://www.mouser.com/ProductDetail/Kingbright/WP7113SYD/?qs=GV2x8lgiD9Cw5mSVSFSYRA%3d%3d|Mouser]]  |

==== 10mm package ====

===== Illumination LEDs =====

==== 5mm (T-1 3/4) package ====
^ Image ^ Description ^ Part # ^ Distributor |
|  {{http://www.ladyada.net/images/parts/clear5mmled_t.jpg}}  |  Narrow beam (20deg) IR 940nm \\ These have a blue-ish tint.  |  [[http://www.everlight.com/upload/product_pdf/IR333_A.pdf|IR333-A]]  |  [[http://www.mouser.com/search/ProductDetail.aspx?R=EL-IR333-Avirtualkey63810000virtualkey638-IR333-A|Mouser]] |
|  {{http://www.ladyada.net/images/parts/clear5mmled_t.jpg}}  |  Wider beam (40deg) IR 940nm \\ Clear body  |  [[http://www.everlight.com/upload/product_pdf/IR333_H0_L10.pdf|IR333C/H0/L10]]  |  [[http://www.mouser.com/search/ProductDetail.aspx?R=IR333C%2fH0%2fL10virtualkey63810000virtualkey638-IR333C%2fH0%2fL10|Mouser]]  |
| | Standard LED - Through Hole RGB 630/525/465nm 750/420/750mcd 60Deg | [[http://www.kingbrightusa.com/images/catalog/SPEC/WP154A4SUREQBFZGC.pdf|WP154A4SUREQBFZGC]] | [[http://www.mouser.com/ProductDetail/Kingbright/WP154A4SUREQBFZGC/?qs=sGAEpiMZZMs4quMj8r4lmi2ZdJKEK%252baYr2AgLRjGjg4%3d|Mouser]] | 
| | Standard LED - Through Hole RGB diffused | [[http://www.us.kingbright.com/images/catalog/SPEC/WP154A4SUREPBGVGAW.pdf|WP154A4SUREQBFZGC]] | [[http://www.mouser.com/ProductDetail/Kingbright/WP154A4SUREPBGVGAW/?qs=sGAEpiMZZMs4quMj8r4lmkUFMJA%252bBDHqHJk5VjhmPho%3d|Mouser]] | 
| | Diffused RGB (tri-color) 10mm LED - Common Anode |[[http://www.adafruit.com/datasheets/BL-L515.PDF|BL-L515]] | [[https://www.adafruit.com/products/302|adafruit]] |