FBT COUPLER
Compact Size Single Window Wideband Coupler
(Based on 50/50)
Parameter
Operating Wavelength Range
Insertion Loss (Max)
Uniformity (Typical)
Return Loss
PDL
TDL
Operating & Storage Temperature
Light Duty ( B )
Package Dimensions
Medium Duty ( L )
Heavy Duty ( K, R )
Premium
≤ 3.5 dB
≤ 0.5 dB
A Grade
≤ 3.7 dB
≤ 0.8 dB
1310 + 40 nm or 1550 + 40 nm
≥ 55 dB (1x2); ≥ 65 dB (2x2)
≤ 0.10 dB
≤ 0.2dB (- 10° C ~ + 75° C)
≤ 0.15 dB
≤ 0.35dB (- 40° C ~ + 85° C)
- 40° C ~ + 85° C
3.0mm ( x 35.0mm (L)
3.0mm () x 45.0mm (L)
100.0mm x 12.0mm x 8.0mm
Tap Coupler
Coupling
Ratio
40/60
30/70
20/80
10/90
5/95
1/99
Max Insertion Loss
Premium
A Grade
4.4/2.5 dB
4.8/2.8 dB
5.6/1.8 dB
6.1/2.0 dB
7.4/1.1 dB
8.0/1.3 dB
10.8/0.6 dB 12.0/0.8 dB
14.0/0.4 dB 14.5/0.5 dB
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.
S W C C -
Port Number
12: 1 x 2
22: 2 x 2
-
Grade
P: Premium
A: A Grade
-
Coupling Ratio
xy % : xy %
-
-
-
-
Connector
0: None
1: FC/PC
2: FC/APC
3: SC/ PC
4: SC/APC
5: FC/SPC
6: SC/SPC
7: LC/UPC
8: LC/SPC
9: Special
A: FC/UPC
B: SC/UPC
C: ST
Wavelength Fiber Length
Pigtail Style
E: 1310 nm 1: 1 meter
(=Package style)
H: 1550 nm 2: 2 meter
B: bare fiber
S: Special
L: 900
m
loose tube
K: 2mm cable
R: 3mm cable
www.lightel.com
2210 Lind Ave SW, Suite 100
Renton, WA 98057 USA
(425) 277-8000 ph.
(425) 277-5280 Fax
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