This article covers the Canon version of this subject.  Click here for Wookieepedia's article on the Legends version of this subject. 

OnACanonArticleGoToLegends

The Class-C frigate was a class of frigate that saw use around the time of the Clone Wars. The EF76 Nebulon-B escort frigate, which was introduced after the war, was the replacement of the Class-C frigate.[1]

Sources

Notes and references