Sc fiber optic attenuators are female to male type with metal body and high precision ceramic ferrule and sleeves ; they are high power light source durability and wavelength independent . We have sc upc fiber optic attenuators and sc apc fiber optic attenuators . They are used in erbium doped fiber amplifiers and dense wave division multiplexers to weaken the overpowered optical singal at a certain fixed value level , 1db to 25db available . Product specifications fiber connector sc/upc or sc/apc connector gender fixed male to female transfer mode singlemode attenuation 1-20db operating wavelength(nm) 12601620(sm) attenuation accuracy 0.5db return loss 55db for upc , 65db for apc polarization dependent loss 0.2db max optical input power 200mw humidity 95%rh operating temp range -4080c storage temp range -4085c