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Single Mode Standard Couplers --SC-1×2, 2×2
Single mode couplers are used to split light with minimal loss from one to tow fibers or to combine light from tow fibers into one fiber. These components are excellent for duplex transmission on a single fiber, CATV systems or within fiber optic test sets.

Features

Low loss
Low polarization dependence
Environmentally stable

Applications

Optic communication system
LAN
CATV
Fiber optic sensor
Test instrument
Grade
Parameter
Grade "A"

Operating Wavelength (nm)

1310 or 1550, others on request

Bandwidth (nm)

±40
Excess Loss (dB)
< 0.08 (0.05 typ.)

Coupling Ratio (%)

50/50
40/60
30/70
20/80

Typ. Insertion Loss (dB)

3.05
4.1/2.3
5.3/1.6
7.1/1.0

Max. Insertion Loss (dB)

3.3
4.4/2.5
5.6/1.8
7.4/1.2

Polarization Dependent Loss (dB)

< 0.10
< 0.10
< 0.15/0.10
< 0.15/0.10

Thermal Stability (dB /°C)

< 0.002 over -40? to +85?
Directivity (dB)
1×2
> 50, > 60 on request
2×2
> 65
Package Information

Configuration

1×2 or 2×2

Lead length

1 meter, others on request

Lead Type

0:250um bare fiber
1:900um loose tube
2:3mm loose cable
(or 2mm)
Package Dimensions (mm)
A:Ø3.0×48
A:Ø3.5×66
B: 90×16× 9
B: 90×16×9
C: 106×79×10
Operating Temperature (°C)
-40 to +85
-20 to +70
-20 to +70

Ordering Information

e.g. SC-1×2-1310-30/70-2-B
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