Adapter FC-PC Introduction

An optical fiber adapter Adapter FC-PC is a critical component in fiber optic communication systems, designed to connect and align two fiber optic connectors precisely. The FC-PC (Ferrule Connector – Physical Contact) optical fiber adapter is one of the standard types used for single-mode and multi-mode fiber optic connections.

Key Features

  1. Design and Construction:
    • Ferrule Connector (FC): The FC connector features a threaded coupling mechanism, providing a secure and reliable connection. The ferrule, typically made of ceramic, aligns the fiber core with high precision.
    • Physical Contact (PC): The PC polish type ensures that the fiber ends physically touch each other, reducing the air gap and minimizing back reflection and insertion loss.
  2. Materials:
    • Housing: Often made from durable materials like stainless steel or high-grade plastic to withstand environmental stress and mechanical wear.
    • Sleeves: Alignment sleeves, usually made of ceramic or phosphor bronze, ensure precise alignment and secure fitting of the connectors.
  3. Performance:
    • Low Insertion Loss: Typically around 0.2 to 0.3 dB, ensuring minimal signal loss during transmission.
    • Low Back Reflection: The PC polish reduces back reflection to less than -40 dB, critical for high-performance data transmission.
  4. Compatibility:
    • Designed to work with FC connectors, ensuring seamless integration in systems using this standard.
    • Available for both single-mode (typically 9/125 µm fiber) and multi-mode (62.5/125 µm or 50/125 µm fiber) applications.
  5. Applications:
    • Telecommunications: Widely used in telecommunication networks for stable and high-performance connections.
    • Data Centers: Ensures reliable connections in dense data center environments.
    • Measurement and Testing: Commonly used in testing equipment due to its reliability and precision.

Advantages of Adapter FC-PC

  1. Reliability: The threaded coupling mechanism of the FC connector ensures a stable and robust connection, resistant to vibration and environmental changes.
  2. Precision: High-precision alignment reduces insertion loss and back reflection, crucial for maintaining signal integrity.
  3. Versatility: Suitable for both single-mode and multi-mode fibers, providing flexibility in various applications.
  4. Durability: Robust construction and materials ensure long-lasting performance even in demanding conditions.

Installation and Maintenance

  • Installation: Typically involves cleaning the fiber ends, inserting the connectors into the adapter, and securing the threaded mechanism.
  • Maintenance: Regular inspection and cleaning of the connectors and alignment sleeves are essential to maintain optimal performance.

Technical parameter

Parameter Unit Description
Sleeve Zirconia Zirconia Phosphor Bronze
Operation wavelength nm 1310 or 1550 850
Insertion loss dB 0.2 0.2 0.2
Connection durability Times 1000 Mating
Operating and storage temperature (°C) -40-+80
Relative humidity % 95


  • Zirconia Sleeve ,Compact design.
  • Low insertional loss, High return loss.
  • High precision of mechanical dimensions.
  • High reliability & stability.


•Telecommunication Networks.
•Fiber Optic Sensors
• Local Area Network.
•Test & measurement.
•DWDM applications

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