What type of pigtail is lc-fc

An LC-FC pigtail is a fiber optic cable with an LC connector on one end and an FC connector on the other, combining high-density and high-precision connectivity.

Overview

A fiber optic pigtail is a short length of optical fiber with a factory-terminated connector on one end and a bare fiber on the other for splicing to a network cable . In the case of an LC-FC pigtail, the LC connector provides a small form factor with a push-pull latch, ideal for high-density patch panels, while the FC connector features a threaded design that ensures secure connections in high-vibration or precision environments .

Connector Characteristics

• LC Connector: Uses a 1.25 mm ferrule, allowing twice the port density compared to SC connectors. It is commonly used in modern data centers and high-speed networks due to its compact size and easy duplexing capability .
• FC Connector: Uses a 2.5 mm ferrule with a screw-on mechanism, providing high mechanical stability and low insertion loss, making it suitable for single-mode fiber applications in telecom or high-precision equipment .

Applications

LC-FC pigtails are typically used when a network requires transitioning between high-density LC ports and precision FC ports, such as:

• Connecting single-mode fiber from a patch panel to legacy FC-based equipment.
• Environments where vibration resistance and low signal loss are critical.
• High-speed data transmission setups where space-saving LC connections are needed on one end.

Advantages

• Combines the port density benefits of LC with the stability of FC.
• Factory-terminated connectors ensure low insertion loss and high reliability.
• Simplifies field splicing by providing a pre-terminated interface for fusion or mechanical splicing . In summary, an LC-FC pigtail is a hybrid fiber optic pigtail designed to bridge LC and FC interfaces, offering both compact high-density connectivity and secure, precise connections for single-mode fiber networks.