
FBT COUPLER
Compact Size Dual Window Wideband Coupler
(Based on 50/50)
Parameter Premium A grade
Operating Wavelength Range
1310 & 1550 nm ± 40 nm
Insertion Loss
≤ 3.6 dB ≤ 3.9 dB
Uniformity
≤ 0.8 dB ≤ 1.0 dB
Return Loss
≥ 55 dB (1x2) ≥ 65 dB (2x2)
PDL
≤ 0.15 dB ≤ 0.2 dB
TDL
≤ 0.2 dB (- 10° C ~ + 75° C) ≤ 0.35 dB (- 40° C ~ + 85° C)
Operating & Storage Temperature
- 40° C ~ + 85° C
Package Dimensions Light Duty ( B )
3.0mm (Φ) x 40.0mm (L)
Medium Duty ( L )
3.0mm (Φ) x 45.0mm (L)
Tap Coupler
Coupling Ratio Premium A Grade
40/60 4.7 / 2.7 dB 5.0 / 2.5 dB
30/70 6.0 / 1.9 dB 6.4 / 2.2 dB
20/80 7.9 / 1.2 dB 8.5 / 1.4 dB
10/90 11.3 / 0.6 dB 12.7 / 0.8 dB
5/95 15.0 / 0.4 dB 16.0 / 0.5 dB
1/99 23.5 / 0.3 dB 25.0 / 0.4 dB
Note1: All values specified are without connectors.
Note2: Higher performance specifications upon request.
Note3: Fiber type Corning SMF-28e.
D
W
C
C
-
-
-
- - - -
Port Number Grade Coupling Ratio Wavelength Fiber Length Pigtail Style Connector
12: 1 x 2 P: Premium xy%:xy% E: 1310 nm 1: 1 meter (=Package style) 0: None 7: LC/UPC
22: 2 x 2 A: A Grade F: 1480 nm 2: 2 meter B: bare fiber 1: FC/PC
8: LC/SPC
G: 1510 nm 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.
(425) 277-5280 Fax All rights Reserved 2009