03 April 2010

Fiber Optic Connector Styles

Fiber Optic Connector is an important components used in the fiber optic network. It is also the key part used in fiber optic patch cord and fiber optic pigtail. There are many kinds of fiber optic connectors.we supply one piece fiber optic connectors various types, including standard connectors and irregular types, epoxy types. we supply fiber optic types include: SC fiber optic connector,FC fiber optic connector,ST fiber optic connector,LC fiber optic connector,MU fiber optic connector,SC/APC fiber optic connector,FC/APC fiber optic connector,etc.both Single mode fiber optic connector and multimode fiber optic connector available.

There are Single mode fiber optic connector and Multimode fiber optic connector, Single mode fiber optic connectors can be with PC, or UPC or APC polish, while Multimode fiber optic connectors only with PC or UPC polish. PC or UPC or APC refer to how we polish the ferrule of the fiber optic connectors. Judging from the out looking, Multimode connectors are usually with black boot or beige color, Single mode PC and UPC ones are usually with blue or black color, Single mode APC is with green color. Insertion loss is important technical data of the fiber optic connectors. The smaller the better. APC insertion loss is smaller than UPC, UPC is smaller than PC.

E2000 fiber optic connector
E2000 fiber optic connector is one of the newly develped types, which features a spring-loaded shutter used to protect the ferrule from dust and scratches. E2000 fiber connectors is similar size of SC fiber connectors.there are single mode E2000 fiber optic connectors and Multimode E2000 fiber optic connectors. UPC,APC polish types.

SC fiber optic connector
SC fiber optic connector is with push-pull structure; it is one of the earliest and most commonly used types. With the plastic housing, the SC fiber optic connector is low cost. But it is also with good accuracy; SC fiber optic connector is widely used in mass installations.

FC fiber optic connector
Same as SC fiber connector, FC is also invention of NTT Company from Japan. FC is with metal housing, screw structure, as the same products developed by one company, FC fiber optic connector ferrule and sleeves used in FC fiber optic adaptor are both same as SC ones.

ST fiber optic connector
ST fiber optic connector is also a metal structure, unlike FC fiber optic connector; ST is a push-pull type, not screw type as FC. ST are usually used in 10Base-F while SC usually used in 100Base F, ferrule of ST fiber optic connector is exposed outside, SC fiber optic connector ferrule is designed to be inside of the housing.

LC fiber optic connector
LC is the short form for the company name Lucent, LC fiber optic structure is similar like the RJ ones, and it is push and pull. Size of ferrules and sleeves used in LC fiber connector and LC fiber adaptor is half of SC and FC, it is 1.25mm. LC is widely used in single mode fiber network, and it is more and more used in multimode network as well.

MT-RJ fiber optic connector
MT-RJ was developed based on NTT's MT connector, and with the RJ-45 style structure, so it got the name MT-RJ. MTRJ connector is with duplex fiber channel inside one single connector, the space between the two channels is 0.75mm. MT-RJ is widely used for data transmission.

MU fiber optic connector
MU is short form of Miniature unit Coupling, it was developed by NTT based on SC fiber optic connector, MU is by now the smallest single ferrule fiber optic connector in the world, so it is good choice for densely installation. NTT has developed a series of MU products. As the fiber optic network bandwidth goes bigger and with wide use of DWDM, demand of MU fiber optic products is also increasing. All above fiber optic connectors are with ceramic ferrules with various sizes, except for MT-RJ ones. MT-RJ is with plastic ferrule.

SMA fiber optic connector
SMA fiber optic connectors and related SMA fiber optic products are widely used in medial, sensor and fiber optic test applications. SMA was developed by Amphenol company and it features the compact size and excellent durability and repeatability. SMA fiber connectors can be with ceramic ferrule or stainless steel ferrule types. SMA has two versions, the SMA 905 and SMA 906. The difference is SMA 905 connectors adopt straight ferrule while SMA 906 use step ferrule to achieve lower insertion loss. Typical SMA fiber optic connector use 3.175mm ferrule.

Source : www.huihongfiber.com

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