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Brand Name : UNIFIBER
Model Number : DWC
Certification : ROHS
Place of Origin : CHINA
MOQ : 10pcs
Price : Negotiable
Payment Terms : L/C, T/T, Western Union
Supply Ability : 1000pcs/day
Delivery Time : 5-8days
Packaging Details : Blister case
Package : Steel tube,ABS box,LGX box
Coupling Ratio : 50/50,40/60,30/70...5/95,1/99 or Customized
Grade : P grade or A grade
Size : Standard size or Mini Size
Connector : FC,SC,LC,ST or customized
Pigtail length : Customized
1x3 single mode 1310/1550nm optical fiber coupler, Low insertion loss 3 way optical splitter 3 in 1 out SC/APC connector
 Dual window coupler (DWC) is built by asymmetric coupling technique. The operating bandwidth of this normal coupler is expanding to ±40nm, and the ultra broadband coupler is expanding to ±80nm. The DWC coupler has the same coupling ratio on both 1310nm and 1550nm communication windows, and with low excess loss and low PDL. DWC couplers are widely used for communication systems, CATV, and FTTH.
| Parameter | Dual Window Coupler(DWC) | ||||
| Grade | P | A | P | A | |
| Operating wavelength (nm) | 1310 and 1550 | ||||
| Operating bandwidth (nm) | ±40 | ±80 | |||
| Typical excess loss (dB) | 0.07 | 0.1 | 0.07 | 0.1 | |
| Insertion loss (dB) | 50/50 | ≤3.6 | ≤3.8 | ≤3.8 | ≤4.0 | 
| 45/55 | ≤4.2/3.2 | ≤4.4/3.4 | ≤4.5/3.3 | ≤4.7/3.5 | |
| 40/60 | ≤4.7/2.7 | ≤4.9/2.9 | ≤5.0/2.8 | ≤5.2/3.0 | |
| 35/65 | ≤5.4/2.4 | ≤5.7/2.6 | ≤5.8/2.5 | ≤6.1/2.7 | |
| 30/70 | ≤6.0/1.9 | ≤6.3/2.1 | ≤6.4/2.0 | ≤6.7/2.2 | |
| 25/75 | ≤7.0/1.7 | ≤7.3/1.9 | ≤7.3/1.7 | ≤7.7/1.9 | |
| 20/80 | ≤7.9/1.3 | ≤8.4/1.4 | ≤8.3/1.3 | ≤8.7/1.5 | |
| 15/85 | ≤9.5/1.0 | ≤10.0/1.2 | ≤9.6/1.0 | ≤10.1/1.2 | |
| 10/90 | 9.2~11.2/≤0.75 | 8.80~11.40 /≤0.8 | 9.15~11.05 /≤0.75 | 8.75~11.45/≤0.8 | |
| 5/95 | 12.05~14.15/≤0.4 | 11.60~14.60 /≤0.5 | 12.00~14.25/≤0.45 | 11.50~14.70/≤0.5 | |
| 3/97 | 14.1~16.5/≤0.35 | 13.60~17.05/≤0.45 | 14.00~16.60 /≤0.35 | 13.45~17.15/≤0.45 | |
| 2/98 | 15.75~18.45/≤0.3 | 15.15~19.00/≤0.4 | 15.60~18.60/≤0.3 | 14.95~19.20/≤0.4 | |
| 1/99 | 18.6~21.6 /≤0.25 | 17.95~22.25/≤0.35 | 18.35~21.85/≤0.25 | 17.60~22.55/≤0.35 | |
| PDL (dB) | ≤0.15 | ≤0.2 | ≤0.15 | ≤0.2 | |
| Directivity (dB) | ≥55 | ||||
| Operating temperature (℃) | -40 ~ +85 | ||||
| PackageDimension | 250μm bare fiber:Φ3.0×45mm 900μm loose tube:Φ3.0×54mm 900um/2mm/3mm loosetube:90×20×10mm | ||||
| *The above specification is without connector | |||||
| *Insertion Loss around 1380nm (water peak) is not counted in the specifications above. | |||||


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