Product Specifications
| Parameter | Specification |
|---|---|
| Cavity Count | 4 |
| SMA Connector Quantity | 4 |
| Signal Type | Coaxial |
| SMA Orientation | Straight |
| Mate-AX Gender | Female |
| Coding | Z Code |
| Cable Identification | FDC402 |
| SMA Male Model | SMA-J2-3 |
| SMA Female Model | SMA-KY-2 |
| Mate-AX Connector Reference | 2354439-9 |
| SMA Gender | Male or female |
| Channel Count | Four coaxial paths |
| Product Type | Four channel coaxial adapter cable |
| Connector Type | Four cavity Mate-AX to four SMA connectors |
| Interface | Mate-AX female Z Code to SMA male or female |
| Cable Length | 0.1, 0.15, 0.2, 0.25, 0.3, 0.4, 0.5, 0.6, 0.8, 1, 1.5, 2, 3 and 4 m |
| Mounting Options | Direct connection with SMA male; bulkhead mounting with SMA female |
| Custom Options | Custom cable length; other modifications subject to engineering review |
Available Configurations

Mate-AX 4 Cavity Female to 4 SMA Male Cable
Connection Structure: One 2354439-9 Mate-AX four cavity female Z Code connector connected to four straight SMA-J2-3 male connectors.
Unique Difference: Each SMA end has a center pin and an internally threaded coupling nut, allowing direct connection to a corresponding SMA female port.
Suitable Installation: Open bench setups where the four destination ports are accessible and the cable branches connect directly to instruments, adapters or test leads.
Mate-AX 4 Cavity Female to 4 SMA Female Cable
Connection Structure: One 2354439-9 Mate-AX four cavity female Z Code connector connected to four straight SMA-KY-2 female connectors.
Unique Difference: Each SMA end has a center socket, external threads and mounting hardware, providing a fixed connection point for detachable SMA male cables.
Suitable Installation: Test enclosure front panels and fixture plates that require four individually positioned coaxial access points. Panel thickness and cutout dimensions require confirmation before installation.

Applications & Customer Value
Four Channel Device Validation
Engineers evaluating several channels need access to each path without repeatedly disturbing the complete equipment connection. Separate test access points allow individual channels to be connected to the required measurement setup.
Equipment with Sealed Connector Interfaces
Development hardware may require a sealed mating interface at the equipment boundary. This version provides the corresponding connector structure for project review, helping teams address mechanical interface requirements early in harness selection.
Test Enclosure Front Panels
Test operators need accessible connection points outside the enclosure. Panel mounted terminations bring routine cable changes to the front panel and reduce the need to open the test box.
Prototype Fixture Routing
A fixture may place instruments or connection points at different positions. Specifying branch lengths and identification labels helps organize the four cable routes and supports repeatable setup during prototype evaluation.
Product Features
Four Contact Cavities in One Housing
The Mate-AX connector packages four coaxial contact positions within a single housing. This groups the equipment side connections while allowing each cable branch to terminate separately.
Sealed Mate-AX Connector Structure
The supplied material identifies 2354439-9 as a waterproof Mate-AX female connector. Sealing applies to the Mate-AX interface, while the complete assembly protection rating and mating conditions require confirmation.
Two SMA Termination Designs
SMA-J2-3 male connectors provide secure threaded cable coupling. SMA-KY-2 female connectors include external threads and mounting nuts for secure attachment to a suitable equipment panel.
Four Separate Coaxial Branches
The assembly uses four FDC402 coaxial branches, providing independent signal paths rather than splitting one input into four outputs. Cavity-to-branch mapping must follow the approved wiring drawing.
Customization Capabilities
Premier Cable supports:
Connector Customization
Connector type, gender, coding and housing design can be reviewed against the mating equipment requirements. Changes to a sealed connector arrangement require confirmation of mating fit, cable entry dimensions and sealing provisions.
Cable Customization
Overall length, individual branch lengths, jacket material, shielding and cable structure can be specified for the installation. Alternative cable constructions require review of connector termination compatibility and project electrical requirements.
Electrical Customization
Pin assignment, cavity to branch mapping and wiring definition can be developed from the project drawing. Circuit configuration, resistance value and power rating requirements can be reviewed where applicable; these are not confirmed specifications of the pictured assembly.
OEM Manufacturing
Premier Cable supports drawing review, prototype development and mass production to an approved specification. Channel labels, product identification and packaging can be prepared for engineering samples or production supply.
Product FAQ
Q1. What does "four cavity" mean in a Mate-AX to SMA cable?
It describes the four coaxial contact positions within the Mate-AX housing. When preparing a drawing, each cavity should be assigned to a specific cable branch so the four connections can be identified consistently.
Q2. How do I choose between SMA male and SMA female ends?
Check the actual mating port. Standard SMA male connectors have a center pin and coupling nut; standard SMA female connectors have a center socket and external threads. Confirm both the center contact and thread arrangement before ordering.
Q3. Does the 2354439-9 reference confirm compatibility with my device?
The reference helps identify the intended connector interface, but the device mating drawing should also be checked. Provide the equipment connector model, coding and connector face image to confirm the mechanical selection. Signal compatibility requires a separate electrical review.
Q4. Can the cable marking be used as the assembly temperature rating?
No. A temperature marking on the cable does not establish the rating of the connectors, seals or completed assembly. Request an assembly specification covering the required operating environment.
Q5. What information is required for a custom order?
Provide the SMA version, cable length measurement points, individual branch lengths, cavity mapping and quantity. For panel mounted versions, also include panel thickness, hole dimensions and connector spacing. Add any sealing, electrical testing, labeling or packaging requirements to the drawing.
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