0by1
Junior Member level 2
Hi all,
For a LED having Vf=2V, If=20mA,
>Whats the ON current for this LED??
>Is that necessary to limit current to 20mA?? so much current !!!!
Thanks in advance.
For a LED having Vf=2V, If=20mA,
>Whats the ON current for this LED??
>Is that necessary to limit current to 20mA?? so much current !!!!
Thanks in advance.