Description
Why 3.0mm is used for rugged fiber cords
| Cable Diameter | Strength Level | Typical Use |
|---|---|---|
| 0.9mm | Low | Pigtails & internal fiber |
| 2.0mm | Medium | Indoor patch cords |
| 3.0mm | High | Outdoor & industrial patch cords |
The 3.0mm jacket protects the fiber from crushing, vibration and repeated pulling.
Optical performance
| Parameter | Typical Value |
|---|---|
| Fiber Type | Single-mode 9/125 µm |
| Polish Type | UPC |
| Insertion Loss | ≤ 0.30 dB |
| Return Loss | ≥ 50 dB |
| Wavelengths | 1310 / 1550 nm |
| Repeatability | ≤ 0.1 dB |
| Durability | ≥ 1000 mating cycles |
This ensures stable signal quality for FTTH, telecom and backbone links.
Mechanical design
| Feature | Specification |
|---|---|
| Connector Type | LC Simplex |
| Cable Diameter | 3.0mm |
| Ferrule | 1.25mm zirconia ceramic |
| Boot | Long, reinforced strain relief |
| Latching System | LC push-pull |
| Operating Temperature | –40°C to +75°C |
| Tensile Strength | ≥ 120 N |
The long boot and thick jacket absorb stress and protect the fiber core from micro-bending.
Typical applications
This LC 3.0mm connector is widely used in:
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FTTH drop patch cords
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Outdoor fiber enclosures
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Telecom base stations
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Industrial Ethernet fiber links
-
Fiber distribution cabinets
-
Field test and maintenance cords
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