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Stewart Connector, a Bel Fuse division, has added the RoHS-compliant SS-39200 series of category 6a 8P8C modular plugs to its range of connectors for high-speed networking and computing applications.

The SS-39200 series is designed to meet the requirements of commercial building telecommunications and is therefore suitable for employment in premise wiring and computer networking technologies.

Its mechanical design is comprised of both a wire aligner and load bar to facilitate consistent twisted-pair orientation during plug assembly.

The wire aligner is uniquely designed with a patent-pending ‘cross talk zone’, which introduces a precise amount of cross talk to the plug to allow for centred near end crosstalk (NEXT) performance as per IEC 60603-7-51 component requirements and ANSI/TIA-568-B.2-10 transmission performance specifications for 4-pair 100Ohm CAT6a cabling.

Due to the design of the wire aligner, cable assemblers are provided with both a visual and mechanical means to quickly build patch cables that exhibit greater reliability than traditional CAT6 or CAT6a plug assemblies.

Additionally, the connectors’ strain relief provides superior cable retention and a 360deg shielding contact to enable a one-step termination process.

Parts accommodate typical 24 to 27 gauge-solid or stranded-cable due to their patented contact design.

Common applications for which the connectors may be specified are on patch cords used in wiring closets to connect patch panels, hubs, routers, switches and servers.

They are equally appropriate for use in connecting computers and peripherals to modular wall jacks in office environments.

The connectors are suited to high-density, side-by-side applications as they are optionally available with an integral strain relief boot that does not increase the overall width of the part.

Should an application require an over-moulded patch cable, devices are provided without the boot to allow a secondary boot to be molded onto the plug after patch cable.


Plug, load bar and wire aligner are manufactured of UL94-V0 polycarbonate and feature 50 microinches gold-plated contacts for robust, long-lasting connections.

The SS-39200 series’ operating temperature range is -40C to +85C, with a durability of 750 matching cycles.

Voltage rating is 150VAC and current rating is 1.5A at 25C.

Stewart Connector

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