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ST Premium Connector

The ST Premium connector is a legacy metal body bayonet style connector available in single-mode and multimode, generally found in older LAN and campus environments.

  • Rugged bayonet mounting
  • Premium quality ferrule for low loss
  • Metal body for enhanced durability
Parameters Single-mode Multimode
UPC UPC MM
Low Loss Standard Standard
Typical Insertion Loss (dB) 0.05 0.10 0.15
Max Insertion Loss (dB) 0.15 0.20 0.30
Typical Return Loss (dB) ≥55 ≥25
Operating Temperature (°C) – 40 to +75
Durability <0.1dB typical change, 500 matings
Ferrule Ø 125μm 127μm

Local Area Networks

Campus Environments

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The ST Premium connector can be used in temperatures as low as -40°C and up to 75°C.

The length is 42mm when using the 2mm and 3mm Mini boots and 39mm with the 900um Mini boot.