Parameter

50/125

62.5/125

Units

Fiber Code

5

4

6

-

ISO/IEC 11801 Classifi cation(2)O

-

Attenuation, Loose Tube Cables

@850nm

≤3.0

≤3.0

dB/km

@1300nm

≤0.8

≤0.8

dB/km

Attenuation, Tight Buffer and Semi-tight Cables

@850nm

≤3.0

≤3.5

dB/km

@1300nm

≤1.0

≤1.0

dB/km

Bandwidth﹡

@850nm

≥500

≥2000

≥200

MHz*km

@1300nm

≥800/500

≥500

≥500/600

MHz*km

Numerical Aperture

0.20±0.015

0.275±0.015

-

Core Diameter

50±3

62.5±3

um

Cladding Diameter

125±2

125±2

um

Core/Cladding Concentricity

≤1.5

≤1.5

um

Core Non-Circularity

≤6

≤6

%

Cladding Non-Circularity

≤2 1

≤2 1

%

Core/Cladding Offset

≤3

≤3

um

Coating Diameter

245±10

245±10

um

Proof-Test Level

100 (0.7)

100 (0.7)

Kpsi (GN/m2)

Fatigue Coeffi cient

≥20

≥20

Temperature Dependence between 0℃ - 70℃

0.1

0.1

dB