Fiber Optic Patch Cord Technical Specifications

Apr 02, 2026 Leave a message

1. Ceramic Ferrule Outer Diameter (Φ): 2.499 ± 0.0005 mm
Ferrule Core Diameter (Φ): 0.125 + 0.001 / -0 mm
Ferrule Length: 16.0 ± 0.3 mm
Ferrule Concentricity: ≤ 1.4 µm
Ferrule Radius of Curvature: 20 mm (+5 / -10 mm)

 

2. Fiber Cable Outer Diameter: 3 mm; the cable surface shall be smooth and free of defects.
Outer Diameter Non-circularity: ≤ 10%
Cable Tensile Strength: ≥ 200 N
Cable Minimum Bending Radius: 30 mm
Cable Temperature Characteristics: -40°C to +80°C; additional attenuation ≤ 0.2 dB/km
Cable Color: Yellow

 

3. Operating Wavelengths: 1310 nm, 1550 nm

 

4. Fiber Attenuation: ≤ 0.37 dB/km (at 1310 nm)
≤ 0.25 dB/km (at 1550 nm)

 

5. Fiber Cut-off Wavelength: λ ≤ 1250 nm

 

6. Fiber Connector Optical Performance
Insertion Loss (IL): ≤ 0.2 dB
Return Loss (RL): ≥ 50 dB
Connection Attenuation: ≤ 0.5 dB (including interchangeability and repeatability)
Interchangeability Return Loss: ≥ 35 dB
Mating Durability: > 1000 cycles (must still meet attenuation requirements)

 

7. Fiber Connector Ceramic Ferrule Physical Interference Parameters:
Radius of Curvature: 10 mm ≤ R ≤ 25 mm
Spherical Apex Offset: ≤ 50 µm
Fiber Protrusion/Undercut: ≤ 50 nm

 

8. Fiber Connector Visual Inspection
The fiber connector shall have a smooth and clean appearance, free from oil stains, scratches, or cracks. All components shall be assembled flush, and the mating between the plug and the adapter shall be smooth, allowing for easy insertion and extraction.

 

9. Visual Inspection of Fiber Optic Connector Ceramic Ferrule End Faces

 

10. Fiber Optic Connector Insertion/Extraction Force: 2.5–20 N

 

11. Fiber Optic Connector Operating Conditions
Transport and Storage Temperature: -20°C to +60°C
Operating Temperature: +5°C to +40°C
Relative Humidity (Performance Guaranteed): 10%–90% (+35°C)
Temperature Cycling Test: Duration: ≥ 72 h
Range: -10°C to +45°C
Ramp Rate (Rise/Fall): 0.5°C/minute


12. Fiber Optic Connector Markings
The cable jacket of single-mode fiber optic connectors is yellow.