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MFC Series Connectors

By combining a new, reduced-size MT-style ferrule (TMT) with a Very Small Form Factor (VSFF) connector design, the MFC connector ushers in a new era of high-density, low-insertion-loss connectivity, positioning itself as a cutting-edge technology for hyperscale AI data centers.
As AI and machine learning become widespread, data centers face growing demands for higher power, advanced cooling, and high-density connectivity. Kyomori-Ka collaborates closely with the world's largest hyperscale AI data centers to co-develop innovative, future-ready solutions, establishing MFC as a leading technology in the hyperscale AI sector.
Designed by Kyomori-Ka and integrated into customized solutions, the MFC connector is a compact unit (available in 16F/24F configurations) that enables data centers to rapidly scale and meet the demands of high-bandwidth AI applications. Its innovative shoulder design ensures durability, maintaining precise alignment and mechanical integrity through repeated mating cycles. Key features include a 250-micron pitch, compatibility with 250/200/165-micron fibers, and interoperability with MT and MT-16 formats. It delivers low insertion loss in both single-mode APC and multi-mode APC applications, offering a versatile fiber connectivity solution. Compliant with Telcordia GR-1435 standards, the connector accommodates cables with outer diameters up to 2.5mm, ensuring seamless integration with industry-standard infrastructure.
An invention patent is currently pending—stay tuned!

Product Purpose:


●Servers and Storage	●Data Center and High-Performance Computing Environments	●Broadcasting and Media Industry	●Aerospace and Military Communications

●COP Co-Packaged Optics and On-Board Connectivity	●Industrial Automation	●Telecommunications Network	●High-Bandwidth Transceiver

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Product Catalog Product Drawing 3D(igs/stp) Product Specifications Test Report(TR) Product Packaging Specifications RoHS Report

Product Specifications


MFC Adapter Solution Kyomori-Ka offers 2-port and 4-port MFC adapters that are compatible with both MFC and MFC-JR connections. The 2-port adapter fits into standard MPO panel cutouts, effectively doubling fiber density, while the 4-port adapter fits MDO cutout dimensions. Optional dust plugs are available for the adapters, and optional covers can be installed on unused ports.






MFC-JR and Adapter/Socket The MFC-JR connector features a compact size that ensures a stable connection while minimizing the consumption of valuable space on the board or at the rear of the module/panel. Optimized for: Optical Module On-Board Optical Components *The Module Should

VMT Ferrule Technology The VMT ferrule is based on the MT/MT-16 alignment structure proven in the MTO series; its shoulder design ensures precision polishing and mechanical stability, making it suitable for MFC applications and on-board fiber management, while also supporting optical modules and ruggedized connectors. 250 μm pitch. Compatible with 250, 200, and 165 μm optical fibers. Compatible with corresponding MT and MT-16 inserts. Low insertion loss for SM APC and MM APC applications.

Product Features

The Kyomori-Ka MFC connector is an ultra-compact multi-fiber connector supporting single-mode and multi-mode fibers with diameters up to 2.5 mm. It utilizes TMT ferrule technology, is compatible with MT/MT-16 architectures, and features an innovative push-pull guiding design, making it suitable for high-density connectivity applications.
*Three times the port density of MPO-based cabling
*Kyomori-Ka push-pull guidance allows for easy insertion and extraction of the connector
*Utilizes a proven MT or MT-16 mechanical and optical fiber alignment structure.
*Compatible with standard 250 µm OD and pitch fibers
*VMT ferrule series: low-loss, IEC Grade B insertion loss performance (0.25 dB, 97% random mating)
*APC for SM and MM applications
*Available in 1×12, 1×16, 2×12, and 2×16 variants
*Tested to Telcordia GR-1435 standards
*Cable outer diameter up to 2.5 mm
*Support for standard cabling industry infrastructure, including cleaners, polishers, interferometers, and optical test equipment

Simplify Polarity Management The bottom guide rail feature ensures the connector is installed with the correct polarity orientation.	Proven Alignment Structure The VMT ferrule design adheres to the precision alignment specifications of IEC 61755 and 61754 for MT and MT-16 ferrules. In addition to accommodating standard 250µm OD SM and MM fibers, the 250µm-pitch fiber holes also support fibers with smaller outer diameters, including 200µm and 165µm.

Optical Properties MFC solutions deliver low-loss, IEC Grade B insertion loss performance and feature APC connectivity with excellent return loss.	High-Density Footprints MFC connectors featuring Kyomori-Ka sliding protective covers enable high-density functional applications.

Error-Free Assembly The VMT ferrule bonds with the MFC housing, enabling error-free assembly.	MFC Mesh Length Precision features with a long engagement length ensure ferrule stability, enabling a single-latch design that minimizes debris while maintaining an industry-standard 250 µm pitch optical interface.