Forget my password

hi ,
Am Deepan ,In my nokia 5220 mobile i've set some password for my datas protection, but i've forget that particular password so i'am not able to access my 2GB MICRO SD memory card,is it possible to recover that particular password or unlocking my memory card or any other ways to access it.If it is possible how to access it.If u know some ideas can u tell me . Thank u...........