en donde encuentro la cinta led
Assuming you are looking for neopixel like devices a google search on “fritzing part led 5050” turns up a number of hits.
http://fritzing.org/projects/rgb-strip-led-smd-5050
is one there also appear to be several in the adafruit fritzing library on github which isn’t loaded by default (so you would need to load it for yourself).
Peter