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C7 · Components · Splitters & couplers
FBT Splitters & Ratio Couplers
Fused couplers split light in any fixed ratio — an economical choice for low split counts, taps and monitoring. Dual-window 1310/1550 nm, in 1×2 and 2×2 couplers and 1×N boxes to 1×16.

Features
- Any fixed coupling ratio
- Economical for low split counts
- Monitoring taps and uneven splits
Applications
- Monitoring taps
- CATV splits
- Low-count PON
Specifications are typical unless stated and may change without notice. Patch cords and assemblies are terminated with connectors from leading global manufacturers; Scientific optical transceivers are made in India. Confirm current values with our sales team before ordering.
Common data
- Wavelength
- 1310 · 1550 nm (dual-window)
- Configurations
- 1×2 · 2×2 couplers; 1×N FBT boxes to 1×16
- PDL
- ≤ 0.15 dB
- Directivity
- ≥ 55 dB
- Operating temperature
- -20 to +80 °C
- Connectors
- SC · FC · LC — UPC / APC, or bare
Range
- Product range
- Splitters & couplers
Coupler insertion loss by ratio, max. (dB)
| Ratio | 50/50 | 40/60 | 30/70 | 20/80 | 10/90 | 5/95 | 1/99 |
|---|---|---|---|---|---|---|---|
| Port 1 | 3.4 | 4.4 | 5.6 | 7.4 | 10.8 | 14.2 | 21.0 |
| Port 2 | 3.4 | 2.5 | 1.8 | 1.1 | 0.6 | 0.4 | 0.2 |
1/99–50/50
Coupling ratios
≤ 3.4 dB
50/50 loss
≥ 55 dB
Directivity
1×16
Max FBT split
Related products
C11Adaptors, Heat-shrink & Jumpers
SC · LC · FC · 2:1 shrink · RG6 jumpers
≤ 0.2 dB
adaptor loss
2:1
shrink ratio

