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Contact Person : sophie
Phone Number : +86 18688982406

Blue Fiber Test ST / PC Bare Fiber Optic Adapter , ST Fiber Adapter Singlemode

Place of Origin China
Brand Name YINGDA
Certification ISO,SGS
Model Number ADB-ST-SQ
Minimum Order Quantity 100 PCS
Price Negotiable
Packaging Details 1 pc / bag or 10 pc/ blister box
Delivery Time 3 days
Payment Terms T/T or western Union
Supply Ability 50,000pcs per month
Product Details
Material Metal, Plastic House Color Blue, Black, Gray
Shape Square Type Bare Fiber Optic Adapter
Weight 12g Fiber Type Single-mode,multimode
Polish Methold UPC Insertion Loss <0.2dB
High Light

fiber optic coupler


fiber optic adaptor

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Product Description

Blue Fiber Test ST / PC Bare Fiber Optic Adapter, ST Fiber Adapter Singlemode



The optical fiber is connected through the opening sleeve inside adapter, in order to ensure the 

highest performance of optical fiber jumper. In order to fixed on various panel, a variety of fixed 

flange adapters design and manufactured.


Hybrid adapter can connected different types of fiber optic patch cord, also provide APC end face 

connection, duplex or multi-fiber high density installation.


Bare fiber adapter is a kind of professional auxiliary tool for optical fiber test, especially for fiber 

emergency repair and temporary connection.



Model: FC/PC, SC/PC,ST/PC,LC/PC available



Main characteristics:

  • Low insertion loss
  • Good repeatability
  • Easy to use
  • Length: 40MM, Diameter: 13MM
  • Temperature cycle test:-40-+80 °C
  • Interchangeability < 0.2dB
  • Convenient operation, can be observed by the naked eye
  • Reusable, single mode / multi-mode fiber can be used
  • Low insertion loss,  good reflecting inhibition



  1. Bare fiber connector device production
  2. Experiment fiber test


How to use:

1. Strip the fiber coating layer (15-20mm) and cleaned with alcohol;

2. Press down the optical fiber adapter switch, push the fiber along the guiding hole slowly until out 

    of the ceramic ferrule (5-6mm),then relax and open ;

3. Use ruby knife delimit fiber bottom gently so as to expose part of fiber, break off the fiber.





Square / Round



Applicable fiber


Ferrule diameter

123-127 um

Ferrule outder diameter

2.499mm 1.249mm 

Cable diameter

250um & 900um

Insertion Loss


Repeat ability


Tensile strength


Plug time

 >1000 times

Operating Temperature

-40 ~+85℃


Length:40mm, diameter:30mm


ST Fiber Optic Adapter Bare Fiber Square Type:


Blue Fiber Test ST / PC Bare Fiber Optic Adapter , ST Fiber Adapter Singlemode 0