Description
Why 0.9mm is used for pigtails
| Cable Size | Function |
|---|---|
| 0.9mm | Fusion-spliced pigtails & internal routing |
| 2.0mm | Patch cords |
| 3.0mm | Outdoor & high-strength cords |
The thin 0.9mm jacket allows the fiber to be neatly stored inside splice trays and fiber cassettes, while still protecting the coated fiber.
Optical performance
| Parameter | Typical Value |
|---|---|
| Fiber Type | Single-mode 9/125 µm |
| Polish Type | UPC |
| Insertion Loss | ≤ 0.25 dB |
| Return Loss | ≥ 50 dB |
| Operating Wavelength | 1310 / 1550 nm |
| End-face Geometry | IEC compliant |
| Mating Durability | ≥ 1000 cycles |
UPC polishing ensures stable signal transmission for most telecom and data applications.
Mechanical structure
| Item | Specification |
|---|---|
| Connector Type | LC Simplex |
| Cable Diameter | 0.9mm |
| Ferrule | 1.25mm zirconia ceramic |
| Boot | Short pigtail boot |
| Latch | LC push-pull |
| Temperature Range | –40°C to +75°C |
The short boot design allows the connector to fit easily into splice trays and compact fiber modules.
Typical applications
This connector is widely used in:
-
Fiber optic pigtails
-
ODF and distribution frames
-
Fiber cassettes and splice trays
-
Optical transceivers and modules
-
FTTH central office equipment
Professional Q&A
Q1: Can LC UPC 0.9mm be used to make patch cords?
No. 0.9mm connectors are designed for pigtails and must be spliced to thicker cables to form patch cords.
Q2: When should I choose UPC instead of APC?
UPC is used in general telecom and data networks. APC is required for PON and CATV systems where reflection must be extremely low.
Q3: Is this connector compatible with LC adapters?
Yes. It mates perfectly with standard LC UPC adapters and LC UPC patch cords.





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