Description
| Features | Applications |  |
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Performance Specifications
| Parameter | Specification |
| Coupling Ratio (%) | 1-50 |
| Directivity (dB) | >55 dB |
| Operating Temperature | -40 ° C – 85 ° C |
| Storage Temperature | -40 ° C – 85 ° C |
| Fiber Type | Corning Singlemode SMF-28 , DS Fiber, or Flexcore |
| Fiber Pigtail Length (m) | 1meter |
| Port Configuration | 1×2 or 2×2 |
| Package Dimension | Package A, B, C |
Single mode Standard Couplers
| Grade | Premium | A Grade |
| Coupling Ratio (%) | 50/50 | 50/50 |
| Excess Loss (Typical )(dB) | 0.1 | 0.15 |
| Maximum Insertion loss (dB) | 3.4 | 3.5 |
| Polarization Sensitivity (dB) | 0.1 | 0.15 |
| Operating Wavelength (nm) | 1310+10, 1550+10, others on request | |
Single mode Wideband Coupler
| Grade | Premium | A Grade |
| Coupling Ratio (%) | 50/50 | 50/50 |
| Excess Loss (Typical )(dB) | 0.1 | 0.2 |
| Maximum Insertion loss (dB) | 3.4 | 3.5 |
| Polarization Sensitivity (dB) | 0.1 | 0.15 |
| Operating Wavelength (nm) | 1310+40, 1550+40, others on request | |
Coupling Ratio/Insertion Loss Conversion Chart
| Coupling Ratio | Insertion Loss | |
| Premium | A Grade | |
| 40/60 | 4.4/2.5 | 4.6/2.8 |
| 30/70 | 5.6/1.8 | 6.0/2.0 |
| 20/80 | 7.4/1.1 | 7.7/1.3 |
| 10/90 | 10.8/0.6 | 12.0/0.8 |
| 5/95 | 14.6/0.4 | 15.7/0.55 |
| 2/98 | 19.0/0.2 | 19.5/0.3 |
| 1/99 | 21.0/0.2 | 21.5/0.3 |
*The above specification is without connector
**Other specifications can be made on customer request.
Package Information
| Package Type | A | B | C |
| Fiber Diameter | 250μm bare fiber | 900μm loose tube | 900μm/2mm/3mm loose tube |
| Dimensions (Ф×L) | Ф3.0mm×54mm | Ф3.0mm×60mm | 90mm×20mm×9.5mm |
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