LC stands for Lucent Connector. The LC is a small form-factor Fiber optic connector.
The LC Connector uses a 1.25 mm ferrule, half the size of the ST. Otherwise; It is a standard ceramic Ferrule connector. The LC has good performance and is highly favored for single mode.

Features:

Low insertion loss and high return loss
Free-floating ceramic ferrule
UL-rated plastic housing and boot
Boots in a variety of colors
High precision alignmentconctor

Applications:

Local Area Networks (LANs) and Wide Area Networks (WANs)
Fiber Optic CATV, FTTH, FTTB, FTTP etc
Fiber Optic telecommunication systems
Transmission Mode (ATM)
Fiber Optic Backbone
Military Instrumentation

Availability:

-The connector can be supplied as a pre-assembled one-piece connector or as connector kits.
-Clips are available for SC and LC duplex connectors
-Housing kits without ferrule are available.
-PC, UPC and APC are available