2.0mm 3.0mm SM ST/UPC Connector

2.0mm3.0mm ST UPC Connector

SM ST/UPC 2.0mm/3.0mm Connector

2.0mm3.0mm ST Connector Length

 2.0mm/3.0mm Connector Length

2.0mm3.0mm ST Connector Parts

2.0mm/3.0mm Connector Parts

2.0mm3.0mm ST Connector Half after assembling

 Half after Assembling

2.0mm3.0mm ST Connector Twelve Colors

Twelve Colors

2.0mm3.0mm ST Connector Boot Length

 2.0mm/3.0mm Connector Boot Length

ST Connector Outer Frame

 Outer Frame

The ST connector features a 2.5mm ferrule with a quick release bayonet (stick and twist) style body for ease of use. A range of ST connectors is manufactured including standard and premium low loss grades which are suitable for various applications. ST connectors are available for single mode UPC with yellow boots, APC with green boots and multimode PC with black or red boots suitable for either 900µm, 2mm or 3mm cable diameters.  


  • Low insertion loss
  • High return loss
  • Good repeatability
  • Good interchangeability
  • High temperature stability


  • CATV
  • LAN & WAN
  • Telecommunication networks
  • PON (Passive Optical Network)
  • FTTX, FTTH (Fiber to the Home)
Mode SM MM
Polishing UPC APC UPC
Insertion Loss ≤0.3dB ≤0.3dB ≤0.3dB
Return Loss ≥55dB ≥65dB ≥35dB
Operating Wavelength 1310nm, 1550nm 850nm, 1300nm
Ferrule Concentricity ≤1um ≤4um
Interchangeability ≤0.2dB
Salt Spray ≤0.2dB
Repeatability ≤0.1dB (1,000 times)
High Temperature ≤0.2dB (+85°C 168 hours)
Low Temperature ≤0.2dB (-40°C 168 hours)
Temperature Cycle ≤0.2dB (-40°C~85°C 21 cycles 168 hours)
Humidity ≤0.2dB (95% 75°C 168 hours)
Durability ≥1,000 Times
Vibration ≤0.1dB (10-55Hz 1.5mm)
Falling ≤0.2dB (1.5m high, 8 times)
Operating Temp. -40°C~+85°C
Ordering Information:
Name Connector
Type ST
Polishing Endface UPC; APC
Mode SM; MM (OM1; OM2; OM3; OM4)
Boot Color Blue; Orange; Green; Brown; Gray; White; Red; Black; Yellow; Fuchsia; Pink; Aqua Green
Cable Diameter 0.9mm; 2.0mm; 3.0mm
Insertion Loss 0.3dB; 0.1dB
Assembling Situation Before Assembling; Half after Assembling
Outer Frame Copper Opening; Copper Closed
Boot Length:
0.9mm Boot Length 24mm; 26.5mm
2.0/3.0mm Boot Length 40mm

For Example:
Connector ST/UPC, SX, SM, black color boot, 2.0mm cable, 0.3dB insertion loss, half after assembling, copper opening outer frame, 40mm boot.