1xN,2xN FBT Fiber Coupler Splitter With Steel Tube

(1 customer review)

◎ P/N: #50586

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1xN,2xN FBT Coupler Splitter with Steel Tube_3Warranty: fiber-life support 1-Year Warranty, 30-Day Returns and 30-Day Exchange.

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1xN,2xN FBT Fiber Coupler/Splitter With Steel Tube

FBT Fiber Coupler Splitter with a steel tube refers to a Fused Biconical Taper (FBT) device that splits or combines optical signals in fiber optic networks. In the FBT process, fibers are fused and stretched together to create a taper, enabling control over the splitting ratio (e.g., 50/50 or 70/30). FBT Fiber Coupler/Splitters provide exceptionally low insertion loss, low polarization sensitivity, and outstanding stability in various environmental conditions. They offer precise coupling ratios ranging from 50/50 to 1/99, and are compatible with different fiber types, including 250μm bare fiber, 3mm, and 900μm loose tube fiber. These devices ensure tight uniformity across a broad wavelength range, covering both 1310 nm and 1550 nm windows.


Specification

Parameter Wide Band Coupler (WBC) Dual Window Coupler (DWC) Triple Window Coupler (TWC) All Band Coupler (ABC) Multimode Fiber Coupler (MMC)
Grade P P P P P
Operating Wavelength (Nm) 1310, 1550 Or C+L Band 1310 And 1550 1310 And 1490 And 1550 1260~1620 Or Specify 850 Or 1310 Or Specify
Operating Bandwidth (Nm) ±40 ±40 ±40 / ±40
Typical Excess Loss (DB) ≤0.07 ≤0.07 ≤0.07 ≤0.07 ≤0.4
Insertion Loss (50/50) ≤3.4 ≤3.6 ≤3.6 ≤3.8 ≤3.7
Insertion Loss (40/60) ≤4.4/2.6 ≤4.7/2.7 ≤4.7/2.7 ≤5.1/3.1 ≤4.7/2.7
Insertion Loss (33/67) ≤5.3/2.1 ≤5.7/2.2 ≤5.7/2.2 ≤6.0/2.55 ≤5.7/2.2
Insertion Loss (30/70) ≤5.7/1.9 ≤6.0/1.9 ≤6.0/1.9 ≤6.4/2.3 ≤6.0/2.1
Insertion Loss (20/80) ≤7.6/1.25 ≤7.9/1.3 ≤7.9/1.3 ≤8.3/1.7 ≤7.8/1.4
Insertion Loss (10/90) ≤10.65/0.65 ≤11.2/0.75 ≤11.2/0.75 ≤11.4/1.15 ≤11.2/0.9
Insertion Loss (5/95) ≤13.8/0.4 ≤14.15/0.4 ≤14.15/0.4 ≤14.3/0.8 ≤14.5/0.7
Insertion Loss (3/97) ≤16.15/0.3 ≤16.45/0.3 ≤16.45/0.3 ≤16.7/0.75 ≤16.15/0.3
Insertion Loss (2/98) ≤18.05/0.25 ≤18.45/0.3 ≤18.45/0.3 ≤18.75/0.7 ≤18.6/0.6
Insertion Loss (1/99) ≤21.15/0.2 ≤21.6/0.25 ≤21.6/0.25 ≤21.95/0.65 ≤22/0.5
PDL (dB) ≤0.15 ≤0.15 ≤0.15 ≤0.15 /
Directivity (DB) ≥55 ≥55 ≥55 ≥55 ≥40
Return Loss (DB) ≥50 ≥50 ≥50 ≥50 ≥30
Operating Temperature (°C) -10 ~ +70 -10 ~ +70 -10 ~ +70 -10 ~ +70 -10 ~ +70
Storage Temperature (°C) -40 ~ +85 -40 ~ +85 -40 ~ +85 -40 ~ +85 -40 ~ +85

Dimension (mm)

FBT Fiber Coupler Splitter 250, 900um fiber diameter

FBT Fiber Coupler
Port

1×2, 1×3, 1×4, 1×6, 1×8, 2×2, 3×3

Wavelength

1550nm, 1310nm, 1310/1490nm, 1310/1550nm, 1490/1550nm, 1310/1490/1550nm, 1260~1620nm

Fiber Type

SM, OM1, OM2, OM3, OM4

Fiber Diameter

900um, 250um, 2.0mm, 3.0mm

Fiber Length

1.0m, 1.5m, 2.0m

Connectors

SC/APC, SC/UPC, FC/APC, FC/UPC, LC/APC, LC/UPC, ST/APC, ST/UPC, None

Split Ratios

1/99, 2/98, 3/97, 5/95, 10/90, 20/80, 30/70, 40/60, 50/50, Custom

Based on 1 reviews

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1 review for 1xN,2xN FBT Fiber Coupler Splitter With Steel Tube

  1. Ingrid Weiss

    We ordered 200pcs 2×2 all band fiber coupler with different split ratio from fiber-life, 1:99, 25:75, 10:90, 50:50, they works great and very good loss and quality!

    fbt-coupler-splitter-review

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