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SUN-FBT FBT Couplers

Model: SUN-FBT

Low PDL and excess Loss, Good directivity and environmental stability, Various types available

    Key Features

  • Low PDL
  • Low Excess Loss
  • Good Directivity
  • Good Environmental Stability
  • Various Types Available
  • Description
  • Specifications
  • Ordering Information
  • Applications
  • FAQ
  • Product Video
  •  Sun Telecom's FBT Couplers are fused fiber branching devices that split off a portion of light to allow for optical monitoring and feedback. These devices are used extensively in fiber amplifier power control. They are also utilized in transmission equipment for performance monitoring and feedback control.
  • Specifications
    SM:
    Type Single Window Dual Window
    Center Wavelength (nm) 1310 or 1550 1310 and 1550
    Bandwidth (nm) ±20 ±40
    Tree Structure 1×2 1×4 1×8 1×16 1×2 1×4 1×8 1×16
    Typical Insertion Loss (dB) 3.2 6.3 9.4 12.6 3.2 6.3 9.4 12.6
    Maximum Insertion Loss (dB) 3.6 7.1 10.6 14.3 3.6 7.7 11.7 15.5
    Uniformity (dB) 0.5 0.7 1.0 1.3 0.8 1.9 2.8 3.7
    PDL (dB ) ≤0.10
    Minimum Directivity (dB) ≥60
    Operating Temperature (°C ) -40 ~ +75
    Storage Temperature (°C ) -40 ~ +85
    Package Dimensions (mm) ● Stainless Tube Type: Ø3.0×55, or Ø3.5×66
    ● Cassette Type: 90×20×10, 100×80×10, 120×80×18, or 140×115×20
    ● Rack Chassis Type: 19” rack chassis
    ● Based on customer requirement
       
    MM:

    Parameters Specifications
    Operating Wavelength (nm) 800-1600
    Structure Type 1×2 1×4 1×8 1×16
    Typical Excess Loss (dB) 0.7 1.5 2.0 3.0
    Maximum Insertion Loss (dB) 4.2 8.4 11.8 16.0
    Uniformity (dB) 0.5 1.0 1.5 2.0
    Minimum Directivity (dB) >45
    Fiber Type 50/125 or 62.5/125
    Operating Temperature (°C ) -40 ~ +75
    Storage Temperature (°C ) -40 ~ +85
    Package Dimensions (mm) Stainless Tube Type: Ø3.0×55, or Ø3.5×66
    Cassette Type: 90×20×10, 100×80×10, 120×80×18, or 140×115×20
    Rack Chassis Type: 19” rack chassis
    Based on customer requirement

  • ● Optical Fiber Communication System
    ● Optical Fiber Access Network
    ● Optical Fiber CATV
    ● Optical Fiber Test Equipment
    ● Optical Amplifier, Monitoring System
    ● Optical Sensor, Light Source Distribution

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