FBT Coupler Compact Size Single Window Wideband Coupler Specifications (50/50) Parameter Premium Operating Wavelength Range A Grade 1310 or 1550 ± 40 nm Insertion Loss (Max) ≤ 3.5 dB ≤ 3.7 dB Uniformity (Typical) ≤ 0.5 dB ≤ 0.8 dB ≥ 55 dB (1x2) ≥65dB (2x2) Return Loss ≤ 0.10 dB PDL ≤ 0.15 dB ≤ 0.2dB (-10°C ~ +75°C) ≤ 0.35dB (-40°C ~ +85°C) TDL - 40° C ~ + 85° C Operating & Storage Temperature Package Dimensions Light Duty ( B ) 3.0mm (Ф) x 35.0mm (L) Medium Duty ( L ) 3.0mm (Ф) x 45.0mm (L) Heavy Duty (K, R) 100.0mm x 12.0mm x 8.0mm Tap Coupler Max Insertion Loss Coupling Ratio Premium A Grade 40/60 4.4/2.5 dB 4.8/2.8 dB 30/70 5.6/1.8 dB 6.1/2.0 dB 20/80 7.4/1.1 dB 8.0/1.3 dB 10/90 10.8/0.6 dB 12.0/0.8 dB 5/95 14.0/0.4 dB 14.5/0.5 dB 1/99 21.0/0.2 dB 21.5/0.3 dB Note1: All values specified are without connectors. Note2: Higher performance specifications are available upon request. Note3: Fiber Type Corning SMF-28e. Ordering Information S W C C – Port Number 12: 1 x 2 22: 2 x 2 – – Grade P: Premium A: A Grade – Coupling Ratio xy % : xy % 2210 Lind Ave SW, Suite 100 Renton, WA 98057 USA (425) 277-8000 ph (425) 277-5280 fax – Wavelength E: 1310 nm H: 1550 nm – Fiber Length 1: 1 meter 2: 2 meter S: Special – Pigtail Style (=Package style) B: bare fiber L: 900 m loose tube K: 2mm cable R: 3mm cable Connector 0: None 7: LC/UPC 1: FC/PC 8: LC/SPC 2: FC/APC 9: Special 3: SC/ PC A: FC/UPC 4: SC/APC B: SC/UPC 5: FC/SPC C: ST 6: SC/SPC [email protected] www.lightel.com