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Field Assembly Optical Connector - ST Type

Min Order Quantity 10 EA /
Supply Ability 300,000 EA per Month
Delivery Lead Time 1 Days
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Quick Information

  • Brand Name :KOC
  • Model Number :s_koc_st_250um_round
  • Place of Origin :Korea


KOC, based in the South Korea, is a globally recognized manufacturer of fiber optic products and specializes in integrated fiber optics solutions and service. We have been supplying a high level of the quality and cost-effective fiber optic products over the world, delivering our best effort to customer’s requirements since 1997. We have possessed cutting edge manufacturing facilities, world-class technologies and a strong R&D capability. KOC will do its best to be a pioneer of the future technology and to remain continuously dedicated to the improvement of all its products and services. 

Field Assembly Optical Connector - ST type

Sold in a set for 20 connectors
Random assorted colors

- Field Installable Connector
- Fast Installable Optical Connector
- Pre-polished Optical Connector
- Quick Assembly Connector
- Fiber Optic Telecommunication
- Fiber Distribution Frame
- FTTH Outlets
- Optical Cable Interconnection
- Cable Television
- Quick and easy fiber termination
- Available to re-use
- High success rate of connection
- Superior optical characteristic value
- Simple assembly process
- No failure after openning
Assembling Tools
- Cleaver
- Scissors
- Gauze with Alcohol
- Stripper
Sold in a set for 20 connectors
Random assorted colors
- 250μm&900μm (Round) type x 20 ea
Sold in a set for 20 connectors
Random assorted colors

An ST type FAOC is the most widely used fiber optic connector in FTTx that does not need epoxy or polishing.
The preassemble and factory terminated connectors can be installed within 2 minutes using simple tools and can be recycled several times. The ST type is a small design with great details and high technology.
All the parts are made from Ultem material to withstand high temperature and external shocks. It is available in several configurations to fi t many different applications for singlemode, multimode and APC applications. The APC connector is designed to provide superior return loss without sacrificing insertion loss.

Connector type

V-groove type
Fiber type

- SM : Standard Single Mode Fiber type
- MM : Multi Mode 50/125 & 62.5/125 Micron fiber type (OM1, OM2, OM3, OM4)

Ferrule Polishing type
- PC type : Physical Contact type
- APC type : Angled Physical Contact type
Connector type for using cable type
- 250μm&900μm (Round) type : All-In-One [2pcs parts]

Product Specifications
Item Specification
Standard TIA / EIA 604-2 (ST)
Insertion Loss Typ. 0.3dB / Max. 0.5dB
Return Loss Typ. 50dB / Max. 55dB [PC], Typ.55dB / Max. 60dB [APC]
Endurance 500 times reconnection / ≤ 0.3dB
Tension ≤ 0.2dB change, 3.0kg
Temperature Change 21 times / -40ºC ~ +75ºC / ≤ 0.3dB change
End Face Geometry [Based on GR-326] PC type APC type
Ferrule Endface Radius (mm) 7~25 5~12
Fiber Undercut (nm) Less than 100 Less than 100
Fiber Protrusion (nm) Less than 100 Less than 100
Apex Offset (um) Less than 50 Less than 50
* Interferometer measuring equipment : CC6000 / Norland, ACCIS NC-3000 / Norland


  • Price Condition : FOB
  • Delivery Port : INCHEON

Packaging & Delivery

  • Packing : 100 EA per box
  • Packaging Size : 5.7 x 1.5 x 0.9   ( Centimeters )
  • Package Weight : 2.8   ( Grams )
  • Delivery Lead Time : 1 Days
  • Minimum Order : 10 EA
  • Supply Ability : 300,000 EA per Month

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  • Field Assembly Optical Connector - ST Type

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Field Assembly Optical Connector - ST Type

Field Assembly Optical Connector - ST Type

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