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FBT (Fused Biconical Taper) single-mode (SM) splitter is a passive optical device that splits or combines signals in single-mode fiber networks. It offers low insertion loss, stable performance, and precise signal distribution, making it ideal for FTTH, PON, and long-distance optical communication applications.
Features
Low Insertion loss
Wide Operating Wavelength
Compact Size
Excellent Environmental & Mechanical Stability
Applications
FTTX Systems
LAN, WAN and Metro Networks
Analog/Digital Passive Optical Networks
CATV Networks
Fiber optic Instruments
Other applications in fiber optic systems
Technical Specs
| Coupling Ratio (%) | Insertion Loss (dB) | |
| Premium | A Grade | |
| 50/50 | 3.4 | 3.6 |
| 45/55 | 4.2/3.2 | 4.4/3.4 |
| 40/60 | 4.7/2.7 | 4.9/2.9 |
| 35/65 | 5.4/2.4 | 5.7/2.6 |
| 30/70 | 6.0/1.9 | 6.3/2.1 |
| 25/75 | 7.0/1.7 | 7.3/1.9 |
| 20/80 | 7.9/1.3 | 8.4/1.4 |
| 15/85 | 9.5/1.0 | 10.0/1.2 |
| 10/90 | 9.2~ 11.2/0.75 | 8.8~11.4/0.8 |
| 5/95 | 12.05~ 14.15/0.4 | 11.6~ 14.6/0.5 |
| 2/98 | 15.75~ 18.45/0.3 | 15.15~ 19.0/0.4 |
| 1/99 | 18.6~21.6/0.25 | 17.95~22.25/0.35 |
| Operating Wavelength (nm) | 1310±40, 1490±40, 1550±40 | |
| PDL (dB) | 0.15 | |
| Return Loss (dB) | ≥45 | |
| Directivity (dB) | ≥55 | |
| Uniformity (dB) | <1.0 | |
| Operating Temperature (℃) | -40 ~ +85 | |
| Fiber Type | Corning Single mode SMF-28 | |
The above specification is without connector, if with connector will +0.3dB.
Package size
| Configuration | 1×2 or 2×2 | ||
| Fiber length | 1 meter, others on request | ||
| Fiber Diameter | 250μm bare fiber | 900μm loose tube | 900μm /2mm/ 3mm loose tube |
| Dimensions (Ф×L) | Φ3.0mm×45mm | Φ3.0mm×54mm | 90mm×20mm×10mm |
Packaging
| Qty'/ Plastic box | PCS/ Carton | Gross weight (Kgs)/ Carton | Carton size (CM) | |
| Without connector | 2 | 400 | 9.1 | 45*41*48 |
| With connector | 1 | 200 | 7.8 | 45*41*48 |
