Overview of the 3.0MM FC APC Fiber Optic Connector

The 3.0MM FC APC Fiber Optic Connector is a high-precision, durable solution designed for optimal performance in fiber optic networks. Known for its robust construction and superior signal integrity, this connector is ideal for applications in telecommunications, data centers, and industrial networks where reliable and stable connections are crucial. Here are the key features and benefits of the 3.0MM FC APC Fiber Optic Connector:

Key Features

  1. Connector Type:
    • FC (Ferrule Connector): Utilizes a threaded design for a secure and stable connection, making it suitable for environments where vibration and movement could disrupt connections.
    • APC (Angled Physical Contact): Features an 8-degree angled end face that reduces back reflections, enhancing signal quality and making it ideal for high-precision applications.
  2. Fiber Type:
    • Singlemode Fiber: Optimized for long-distance communication with high bandwidth capabilities.
  3. Design and Construction:
    • 3.0MM Outer Diameter: Designed to accommodate 3.0mm diameter fiber optic cables, providing durability and strength.
    • Metal Housing: Constructed with high-quality metal for superior durability and protection against environmental factors.
    • High Precision Ceramic Ferrule: Ensures accurate fiber alignment and optimal signal transmission.
  4. Performance:
    • Low Insertion Loss: Typically less than 0.2 dB, ensuring efficient signal transmission with minimal loss.
    • High Return Loss: Greater than 60 dB, minimizing back reflections and enhancing overall signal integrity.
  5. Ease of Installation:
    • Threaded Coupling Mechanism: The screw-on design ensures a secure connection that can withstand physical disturbances, providing stable performance over time.
    • Field Installable: Designed for easy installation without the need for extensive tools or training, making it ideal for field deployments.
  6. Compatibility:
    • Standards Compliance: Adheres to international standards such as IEC and TIA/EIA, ensuring compatibility with a wide range of network equipment and infrastructure.
    • Interchangeability: Compatible with various FC adapters and equipment, providing flexibility in different networking environments.
  7. Environmental Resilience:
    • Temperature Range: Operates reliably in a wide temperature range, suitable for both indoor and outdoor applications.
    • Durability: Resistant to environmental factors such as dust, moisture, and mechanical stress, ensuring long-term performance.


  • Reliability: The metal housing and threaded coupling design provide a robust and secure connection that can withstand harsh environmental conditions and physical disturbances.
  • Performance: Low insertion loss and high return loss ensure high-quality signal transmission, improving the overall reliability and efficiency of the network.
  • Versatility: Compatible with singlemode fibers, making it suitable for a wide range of applications and network configurations.
  • Cost-Effective: Durable construction reduces the need for frequent replacements and maintenance, lowering overall network costs.
  • Ease of Use: The threaded coupling mechanism and field installable design minimize setup time and labor costs, facilitating quick and efficient network deployments.

The 3.0MM FC APC Fiber Optic Connector is a reliable and high-performance choice for network professionals seeking robust and efficient fiber optic connections. Its combination of durability, precision, and ease of installation makes it an excellent solution for demanding networking environments.


Unit Value
Fiber Type Multi-Mode Single Mode
Insertion Loss dB Max.≤0.2 Max.≤0.3
Return Loss(Typ.) dB ≥36(no APC connector) /PC /UPC /APC
≥45 ≥50 ≥60
Repeatability dB ≤0.1
Interchangeability dB ≤0.2
Connection Durability times ≥1000
Operating/Storage Temperature    -40~+80
Connector Type  FC, SC, ST, LC, MPO, MTRJ etc.
Operating Wavelength 1260nm-1650nm
Insertion Loss  ≤0.20dB,  max 0.3dB
Return Loss PC≥45.0dB ,UPC≥50.0dB,APC≥60.0dB
Exchangeability  ≤0.20dB
Vibration 10-60Hz, 1.5mm  ≤0.10dB
Tensile  ≤0.10dB (0-15Hg, except Ø0.9mm)
Plug times  >1000 (Times), ≤0.20dB
Storage Temperature  -40°C ~ +85°C
Operating Temperature  -40°C ~ +85°C
Relative humidity 95%, (+25°C~ +65°C, after 100h)


Explore More:
Adapter SC-FC 
Adapter FC-PC
SC/UPC Adopter
Multi-mode LC/UPC
MPO Adapter


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