MX MT-RJ SM Connector With 1.8 MM Boot MX-1671
The MX MT-RJ SM Connector with 1.8 mm Boot (MX-1671) is an optical fiber connector designed for single-mode fiber networking applications that require reliable connectivity and efficient signal transmission. Featuring a compact connector design, a 1.8 mm boot, and a zirconia ceramic ferrule, it is suitable for compatible telecommunications infrastructure, enterprise networks, and fiber optic installations. Its specified low insertion loss and high return loss make it a practical option for network technicians, fiber installers, and system integrators seeking dependable optical connections.
Low Insertion Loss and High Return Loss
The MX MT-RJ single-mode connector is specified with insertion loss below 0.2 dB, while APC versions are reported to achieve typical values below 0.1 dB. Return loss is specified above 50 dB, with APC variants reaching a typical 70 dB. These figures depend on the connector version and testing conditions. Confirm the exact polish type and manufacturer’s specifications before selecting the connector for your network.
Precision Zirconia Ceramic Ferrule
The connector uses a zirconia ceramic ferrule designed to support precise fiber alignment and consistent optical contact. Ferrule hole sizes of 125 μm, 125.5 μm, and 126 μm are listed for compatible fiber configurations, with a specified ferrule diameter of 1.25 mm. These dimensions should be verified against the manufacturer’s datasheet to ensure suitability for the intended connector assembly and fiber type.
Compact 1.8 mm Boot and Durable Construction
The MX MT-RJ SM connector features a 1.8 mm boot designed to support cable termination and provide protection at the cable-to-connector transition. The product is specified for up to 250 mating cycles, with less than 0.1 dB performance degradation under the stated test conditions. This durability makes it suitable for compatible installations involving routine maintenance and network reconfiguration.
Reliable Performance Across Operating Conditions
With a specified operating temperature range of -40°C to 85°C, the MX-1671 can support compatible installations exposed to varying environmental conditions. A protective dust cap helps shield the connector end face from contaminants during storage and handling. Keep optical interfaces clean, avoid excessive cable bending, and follow appropriate fiber termination procedures to maintain connection quality.
Applications of MX MT-RJ SM Connector
This single-mode fiber connector is suitable for compatible applications, including:
- Telecommunications: Supporting optical connections in communication infrastructure.
- Enterprise networks: Connecting compatible single-mode fiber links.
- Data networking: Supporting optical connectivity in network installations.
- Fiber optic maintenance: Assisting with suitable connector replacement and assembly.
- Industrial networking: Supporting applications within specified environmental limits.
- Optical communication systems: Providing connectivity for compatible equipment.
Product Specifications
- Brand: MX
- Model: MX-1671
- Product Type: MT-RJ Single-Mode Fiber Connector
- Boot Size: 1.8 mm
- Insertion Loss: Below 0.2 dB; APC versions typically below 0.1 dB
- Return Loss: Above 50 dB; APC versions typically 70 dB
- Ferrule Material: Zirconia ceramic
- Ferrule Diameter: 1.25 mm, as specified
- Mating Durability: Up to 250 cycles, as specified
- Operating Temperature: -40°C to 85°C
- Compliance: RoHS compliant, as specified
Why Choose the MX-1671?
Combining a compact boot, precision ferrule construction, and specified optical performance characteristics, the MX MT-RJ SM Connector is a useful component for compatible fiber networking projects. Order from ITGLOBAL for your optical connectivity requirements, and verify connector compatibility, polish type, and technical specifications before purchase.

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