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Specifications

Steel Tube Coupler
Features

1. Different combinations of coupling ratio
2. Low crosstalk & excess loss
3. High optical return loss
4. Available in dual/three wavelength operation
5. Optional connectors termination upon request
6. Available in 250um & 900um fiber, 2mm or 3mm jacket optical cable
 
Specifications

 

Grade Parameter Grade“ A”
Operation Wavelength (nm) 1310 or 1550,1310/1550,1310/1490/1550
Bandwidth (nm) ± 20nm/± 40nm
Max. Excess Loss (dB) ≤ 0.1dB(0.06dB TYP)
Coupling Ratio (%) 50/50 40/60 30/70 20/80
Typ. Insertion Loss (dB) 3.1 4.1/2.4 5.4/1.7 7.2/1.1
Max. Insertion Loss (dB) 3.4 4.5/2.7 5.8/2.0 7.6/1.5
Polarization Dependent Loss (dB) 0.1 0.1 0.15/0.1 0.15/0.1
Thermal Stability (dB /℃) ≤ 0.2dB
Directivity (dB) ≥ 55 dB(≥ 60dB 2× 2)
Operating Temperature(℃) -40℃to +85℃
Package Type 1. Bare fiber
2.0.9 loose tube
3. Connector type: FC/APC, FC/PC, SC/APC, SC/PC, all is optional
Pigtail Length 1 meter, others on request
Package Dimensions(mm) ¢3*46(min size) ¢3*54
 
Applications
1. FTTH, LAN, PO N & Optical CATV
2. Local ring net
3. Optical fiber communication system
4. Optical fiber test equipment
5. Optical fiber sensor