FBT COUPLER
Multimode Coupler
(Based on 50/50)
Parameter
Central Wavelength 630, 850, 980, 1060, 1310, 1550nm
Configuration 1x2, 2x2 1x3 1x4 1x8 1x16
Insertion Loss* 50/125 Fiber ≤ 4.9 dB ≤ 6.7 dB ≤ 7.8 dB ≤ 11.5 dB ≤ 15 dB
62.5/125, 100/140, 105/125 Fiber ≤ 4.6 dB ≤ 6.4 dB ≤ 7.5 dB ≤ 11 dB ≤ 14.2 dB
Directivity ≥ 40 dB
TDL ≤ 0.2 dB
Operating & Storage Temperature - 40° C ~ + 85° C
Package Dimensions
(dimensions in mm)
Light Duty ( B )
3.0(
Φ
) x55.0(L) 3.0(
Φ
) x60.0(L)
3.0(
Φ
) x 60
.0(L)
3.0(
Φ
) x 60.0(L) 5.0(
Φ
) x 60.0(L)
Medium Duty ( L )
3.0(
Φ
)x60.0(L) 100 x 12 x 8 100 x 12 x 8 100 x 12 x 8 135 x 100 x 10
Heavy Duty ( K, R )
100 x 12 x 8 95 X 75 X 6 95 X 75 X 6 130 X 100 X 6 130 X 100 X 8.5
Tap Couplers
Coupling
Ratio
Maximum Insertion Loss
50/125 µm 62.5/125 µm 100/140 µm &
105/125 µm
60/40 4.5/6.5 dB 3.6/5.8 dB 3.0/5.0 dB
70/30 3.9/8.0 dB 3.0/7.0 dB 2.3/6.3 dB
80/20 3.2/10.0 dB 2.4/9.0 dB 1.7/8.3 dB
90/10 2.7/13.5 dB 1.9/12.5 dB 1.2/12.0 dB
95/5 2.4/17.0 dB 1.5/16.5 dB 1.0/16.0 dB
99/1 1.4/22.0 dB 1.1/22.0 dB 0.8/22.0 dB
* All data tested under LED direct launching conditions.
Note1: All values specified are without connectors.
Note2: Higher performance specifications available upon request.
M
M
C
- -
A
- - - - - -
Port Number A Grade Coupling Ratio Fiber Type Wavelength Fiber Length Pigtail Style Connector
12: 1 x 2 xy % : xy % 1: 50/125 µm A: 630 nm 1: 1 meter (=Package style) 0: None
22: 2 x 2 EVEN: even split
2: 62.5/125 µm B: 850 nm 2: 2 meter B: bare fiber 1: FC/PC
13: 1 x 3
3: 100/140 µm C: 1060 nm S: Special L: 900 µm loose tube 3: SC/ PC
14: 1 x 4 4: Special D: 980 nm K: 2mm cable 9: Special
18: 1 x 8 5: 105/125 µm, NA=0.15 E: 1310 nm R: 3mm cable C: ST
116: 1 x 16
6: 105/125 µm, NA=0.22
H: 1550 nm
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
