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MT Ferrule Connector

Offering a wide range of MT ultra-low-loss ferrules (SM, MM; 4/8/12/16/24/32/48/64/72 fibers), MTO connector kits, and MTO adapters.
Kyomori-Ka’s MTO Plus MT12 fiber ferrule is the most widely used MT ferrule, offering a balance of ease of use and low insertion loss. The SM and MM low-loss versions deliver an industry-leading insertion loss of 0.25 dB (typical <0.15 dB), exceeding IEC 61755-3-31 Grade B requirements. With its combination of quality, cost-effectiveness, durability, and ease of assembly, this 12-fiber ferrule is the optimal choice.
The MTO Plus MT24 fiber ferrule features two rows of 12 high-precision fiber holes, enabling high-density connectivity and industry-leading insertion loss performance. Available in SM, MM, and low-loss MM versions, it is suitable for 100G and 400G parallel optical platforms. The SM24 and MM24 models require a 20N high-force spring.
The MTO Plus MT16/32 fiber ferrules comply with the TIA-604-18 standard and are available in single-row (16-fiber) and dual-row (32-fiber/2×16) configurations. The MM versions are designed for 100G and 400G parallel optical applications and require dedicated guide pins (5.3 mm pitch). Achieved through an integrated in-house design and manufacturing system, these ferrules offer competitive quality and pricing and have been widely adopted globally.

An invention patent is currently pending—stay tuned!

MT/MPO 套管，并提供定制解决方案。

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

◆Product Order Code Structure: XXXX-X-X-XX-XX-XXX

①Part Abbreviation

②Connector Type

③Fiber Core Diameter

⑤Ferrule Code

⑤Number Oof Ferrule Holes

⑥Endface Type

MTD: Standard insert
MTTL: Ultra-slim long insert
MTDS: Standard short insert
MTTS: Ultra-slim short insert
MTN: Fine-pitch special insert
MTX: Standard special insert
MTH: Heat-resistant standard insert
MTOC: Expanded-beam insert

M: Male connector
F: Female connector

R:0.125mm

F:0.08mm

S: SM (Single-mode) Standard Loss
SL: SM (Single-mode) Low Insertion Loss
SP: SM (Single-mode) Ultra-low Loss
M: MM (Multi-mode) Standard Loss
ML: MM (Multi-mode) Low Insertion Loss
MP: MM (Multi-mode) Ultra-low Loss

4F: 4 cores; 8F: 8 cores
12F: 12 cores; 16F: 16 cores
24F: 24 cores; 32F: 32 cores
48F: 48 cores; 36F: 36 cores
72F: 72 cores

PC: Flat type
APC: Pre-polished flat type

◆MTD Series Ferrules, Single-Mode and Multimode (12/16/24/32/36/48F)

FEATURES	SPECIFICATIONS
● Supports single-mode and multi-mode. ●Supports various fiber counts (12, 16, 24, 32, 36, and 48 cores). ●You can select the grade (ultra-low loss / low loss / standard) based on your application. ●High-precision injection molding with consistent quality.	Brand	MTD Series
	Fiber Type	Single-Mode / MultiMode
	Grade	Standard Loss <0.70dB(SM)/<0.50(MM) Super Low Loss <0.35dB (SM/MM) Master Loss <0.25dB(SM)

	Fiber Count	1×12-16, 2×12-16, 3×12, 4×12
	Endface Type	Flat
	Polish Type	PC and APC
APPLICATION	Fiber Cladding Size	125µm
●MT wire harness (for Optical Transceivers). ●MPO connectors (indoor/outdoor cables).	Fiber Pitch	250µm
	Remarks	●*Connection insertion loss based on random mating (>97% of all channels). IEC 61755-1. ●The flat end face of the MT ferrule can be polished using a standard 8° polishing fixture without any issues.**

◆The MTTL Series Ferrule Helps Reduce the Height of Optical Modules.

FEATURES	SPECIFICATIONS
●The thickness is only half that of the standard product (1.25 mm). ●Multi-mode compatible (single-mode under development). ●Specialized metal pin clips are also available. ●It is an ideal choice for space-saving designs in optical equipment (in terms of height).	Brand	MTTL Series
	Fiber Type	Single-Mode(16F) / Multi-Mode(12F)
	Grade	Standard Loss <0.5dB(SM)/<0.50dB(MM)

	Fiber Count	1×12-16
	Endface Type	Flat
	Polish Type	PC
APPLICATION	Fiber Cladding Size	125µm
●MT wire harness (for optical transceivers). ●For use with plastic lenses.	Fiber Pitch	250µm
	Remarks	●Connection insertion loss based on random mating (>97% of all channels). *IEC 61755-1. ●A dedicated polishing jig is required (polishing jig information can also be shared).

◆The MTDS Series Ferrule Enables Space-Saving (Vertical) Designs Within Optical Equipment.

FEATURES	SPECIFICATIONS
●Half the length of the standard product (4.0 mm). ●Single-mode/Multi-mode compatible. ●Special guide pins/guide clamps are available. ●Supports front-panel optical transceivers and MPO adapters. ●Ideally suited for space-saving (vertical) designs within optical equipment. ●Can connect to standard MPO connectors.	Brand	MTDS Series
	Fiber Type	Single-Mode(16F) / Multi-Mode(12F)
	Grade	Standard Loss <0.5dB(SM)/<0.50dB(MM)

	Fiber Count	1×12-16
	Endface Type	Flat
	Polish Type	PC and APC
APPLICATION	Fiber Cladding Size	125µm
●MT wire harness (for optical transceivers). ●For use with plastic lenses or connection to MPO connectors.	Fiber Pitch	250µm
	Remarks	●Connection insertion loss based on random mating (>97% of all channels). *IEC 61755-1. ●A dedicated polishing fixture is required (polishing fixture information may also be shared).

◆The MTTS Series Features Slim, Compact Ferrules, Enabling High-Density Mounting Through the Miniaturization of Multi-Fiber Connectors.

FEATURES	SPECIFICATIONS
●One-quarter of the standard product dimensions (length 4.0 mm / thickness 1.25 mm). ●Single-mode/Multi-mode compatible. ●Special guide pins/guide clamps are available. ●A specialized connector housing is under development. ●Ideally suited for space-saving designs within optical equipment. ●Contributes to the miniaturization of optical connection structures.	Brand	MTTS Series
	Fiber Type	Single-Mode(16F) / Multi-Mode(12F)
	Grade	Standard Loss <0.5dB(SM)/<0.50dB(MM)

	Fiber Count	1×12-16,2×12-16
	Endface Type	Flat
	Polish Type	PC and APC
APPLICATION	Fiber Cladding Size	125µm
●MT wire harness (for optical transceivers). ●Use with plastic lenses or connect with MPO connectors.	Fiber Pitch	250µm
	Remarks	●Connection insertion loss is based on random connections (>97% of all CHs). *IEC61755-1. ●A dedicated polishing fixture is required (polishing fixture information may also be shared).

◆φ80µm MTX series ferrules; the 80µm thin-cladding design is ideally suited for optical fiber connectivity.

FEATURES	SPECIFICATIONS
●Compatible with 80 μm thin-cladding fibers. ●250 µm fiber pitch (compatible with typical 125 µm cladding MT ferrules). ●Compatible with common guide pin diameters/spacing. ●Multi-mode/Single-mode compatible.	Brand	MTX Series - 80µm
	Fiber Type	Single-Mode
	Grade	Standard Loss <0.25dB(SM)

	Fiber Count	1×12-16,2×12-16
	Endface Type	Flat
	Polish Type	APC
APPLICATION	Fiber Cladding Size	80µm
●Co-Packaged Optics (CPO) ●On-Board Optics (OBO)	Fiber Pitch	250µm
●Co-Packaged Optics (CPO) ●On-Board Optics (OBO)	Remarks	●Connection insertion loss is based on random mating (97% or more of all channels). *IEC 61755-1. ●The flat end-face profile of MT ferrules can be easily polished using a standard 8° polishing fixture.

◆Narrow-Pitch MTN Series Ferrules Enable 1D, High-Density, Narrow-Pitch Optical Connections.

FEATURES	SPECIFICATIONS
●Compatible with 80 μm thin-cladding fibers. ●125/127 µm fiber spacing. ●Compatible with 24-core/32-core single-row configurations. ●Compatible with common guide pin diameters/spacing. ●Multi-mode/Single-mode compatible.	Brand	MTN Series
	Fiber Type	Single-mode(32F)/Multi-Mode(24F)
	Grade	Standard Loss <0.50dB(SM)/<0.350(MM)

	Fiber Count	1×24-32
	Endface Type	Flat
	Polish Type	PC and APC
APPLICATION	Fiber Cladding Size	80µm
●Back Panel	Fiber Pitch	125/127µm
●Back Panel	Remarks	●Even the flat end-face profile of an MT ferrule can be easily polished using a standard 8° polishing fixture.

◆Reflow-Solderable MTH Series Ferrules; Their Reflow-Solderable Characteristics Make Them an Ideal Choice for CPO Pigtail Applications.

FEATURES	SPECIFICATIONS
●12/16/24 fiber optic interfaces (SMF). ●（Short-term heat resistance: 260°C (10 minutes). ●Reflow-solder-resistant caps and boots are available as accessories.	Brand	MTH Series
	Fiber Type	Single-mode
	Grade	Super Low Loss <0.25dB

	Fiber Count	1×12-16, 2×12-16，3×12-16
	Endface Type	Flat
	Polish Type	APC
APPLICATION	Fiber Cladding Size	125µm
●Co-Packaged Optics (CPO) ●On-Board Optics (OBO)	Fiber Pitch	250µm
●Co-Packaged Optics (CPO) ●On-Board Optics (OBO)	Remarks	●Connection insertion loss based on random mating (>97% of all channels). *IEC 61755-1. ●A dedicated polishing fixture is required (polishing fixture information may also be shared).

◆Beam-Expanding MTOC Series Ferrules

FEATURES	SPECIFICATIONS
●Heat-resistant type. ●Hole design flexibility. ●Multiple optical connection options (also applicable to EB connector applications). ●Width and height are customizable. ●Supports ultra-high-density cables with 36 cores or more.	Brand	MTOC Series
	Fiber Type	Single-Mode / Multi-Mode
	Grade	<0.70dB (SM)/<0.50 (MM) <0.35dB (SM/MM)

	Fiber Count	1×12-16, 2×12-16, 3×12, 4×12
	Endface Type	Flat
	Polish Type	Grinding-free polishing
APPLICATION	Fiber Cladding Size	125µm
●Co-Packaged Optics (CPO) ●On-Board Optics (OBO)	Fiber Pitch	250µm
●Co-Packaged Optics (CPO) ●On-Board Optics (OBO)	Remarks	●Connection insertion loss based on random mating (>97% of all channels). *IEC 61755-1.

◆Guide Pin, High-Precision Machining, Outer Diameter Tolerance ±0.0001 mm.

FEATURES	SPECIFICATIONS
●Various types can be selected based on the application (for optical transceivers/MPO connectors). ●Superior machining tolerance control ensures stable connection loss.	Brand	Guide Pin
	Fiber Type	Single-Mode / Multi-Mode
	Grade	MM Standard Loss Tolerance ±0.001mm MM Low Loss Tolerance ±0.0005mm SM Standard Loss Tolerance ±0.0005mm SM Low Loss Tolerance ±0.0001mm

	Fiber Count	1×12-16, 2×12-16, 3×12, 4×12
	Type	Box-Type Pin Retainer / Flat Pin Retainer / Straight Pin

APPLICATION	Remarks	●Please Feel Free to Contact us for More Information About Guide Pin Types.
●Suitable for MPO connectors (ferrule pin retainer type). ●Suitable for MT-MPO adapters (flat pin holder type). ●Suitable for MT clips (direct sales).

Product Features

*Ultra-precision cemented carbide molds for the mass production of resin-molded fiber optic ferrules.
*Aperture Precision: 12-φ0.12675mm ±0.00025
*Hole-to-Hole Spacing Accuracy: 0.25075 mm ± 0.00025 mm
*Roundness: ±0.00025 mm

☞Guide Pin Configurations for MT Ferrules:

Kyomori-Ka's innovative chamfered MT guide pin and improved spring achieve precise alignment of dual MT ferrules, ensuring the reliability of fiber optic connections. Its stainless steel guide pins are manufactured according to strict standards, the SP ultra-low loss guide pin tolerance reaches +/-0.1μm, and supports SM/SP/MM/MP level alignment. Suitable for 12/24 core center key and 16/32 core offset key MTO connectors.