FBT COUPLER
1 x 3 Single Fused Single Window Wideband Coupler
Parameter Premium A Grade
Operating Wavelength Range
1311 or 1550 ± 40 nm
Insertion Loss (Max)
≤ 5.5 dB ≤ 6.0 dB
Uniformity (Typical)
≤ 0.8 dB ≤ 1.2 dB
Return Loss
≥ 50
PDL
≤ 0.15 dB ≤ 0.15 dB
TDL
≤ 0.2dB (- 10° C ~ + 75° C)
≤ 0.4dB (- 40° C ~ + 85° C)
Operating & Storage Temperature
- 40° C ~ + 85° C
Package Dimensions Light Duty ( B )
3.0mm (Φ) x 55.0mm (L)
Medium Duty ( L )
3.0mm (Φ) x 70.0mm (L)
Tap Coupler
R Coupling
Ratio
Max Insertion Loss
Premium A Grade
1 10/45/45 11.5/4.6/4.6 dB 11.8/4.8/4.8 dB
2 20/40/40 8.2/5.2/5.2 dB 8.5/5.4/5.4 dB
3 30/35/35 6.2/5.6/5.6 dB 6.5/5.8/5.8 dB
4 40/30/30 5.2/6.2/6.2 dB 5.5/6.5/6.5 dB
5 50/25/25 4.2/7.2/7.2 dB 4.4/7.5/7.5 dB
6 60/20/20 3.4/8.3/8.3 dB 3.5/8.5/8.5 dB
7 70/15/15 2.6/9.6/9.6 dB 2.8/9.8/9.8 dB
8 80/10/10 2.2/11.0/11.0 dB 2.4/11.5/11.5 dB
Note1: All values specified are without connectors.
Note3: Fiber type Corning SMF-28e.
S W
W
C
-
1
3 -
-
- - - -
Port Number Grade Coupling Ratio Wavelength Fiber Length Pigtail Style Connector
13: 1 x 3 P: Premium R: as above E: 1310 nm 1: 1 meter (=Package style)
0: None 7: LC/UPC
A: A Grade F: 1480 nm 2: 2 meter B: bare fiber 1: FC/PC
8: LC/SPC
G: 1510 nm S: Special L: 900 µm loose tube 2: FC/APC 9: Special
H: 1550 nm 3: SC/ PC A: FC/UPC
L: 1625 nm 4: SC/APC B: SC/UPC
5: FC/SPC
C: ST
6: SC/SPC
www.lighteltech.com
2210 Lind Ave SW, Suite 100
Renton, WA 98057 USA
(425) 277-8000 ph.
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