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FC Premium Connector

SENKO’s flagship highest quality FC connector series designed to exceed the telecommunication and testing industry’s rigorous requirements for years of reliable service.

  • Robust body design
  • Vibration resistant threaded coupling
  • Designed to exceed GR-326-CORE
  • Grade B IEC61753-1 Random Mating


Parameters Single-mode Multimode
Low Loss Premium Low Loss Premium Premium
Typical Insertion Loss (dB) 0.05 0.08 0.07 0.10 0.10
Max Insertion Loss (dB) 0.15 0.20 0.15 0.25 0.20
Typical Return Loss (dB) ≥55 ≥65 ≥25
Operating Temperature (°C) – 40 to +75
Durability <0.1dB typical change, 500 matings
Ferrule Ø 125μm 127μm


Government & Defense

Test & Laboratory Equipment

Reach logo
TIA logo
IEC logo

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

The length is 40mm when using the 2mm and 3mm Mini boots and 37mm with the 900um Mini boot.

The key width is 2.0mm +/- .02mm.