Right-Angle Through-Hole Modular Jack, 6P6C, Cat3
The TE Connectivity 1705950-1 is a right-angle, through-hole modular jack with 6 positions and 6 contacts (6P6C), covering RJ11, RJ12, RJ14, and RJ25 wiring schemes. The unshielded, single-port body is rated Category 3, which limits it to voice-frequency and low-speed data applications such as 10BASE-T Ethernet or analog phone lines — not for Cat5e or higher gigabit Ethernet runs. Contacts are gold-plated phosphor bronze, a combination that gives reliable signal-level connections over a few hundred mating cycles without corrosion issues. The housing is molded from polybutylene terephthalate (PBT), a common thermoplastic for connectors that sees good dimensional stability through wave solder. The tab faces downward when mounted, which orients the plug release tab toward the board — a detail that matters if the jack sits near an enclosure wall or another connector.
Through-hole solder tails give a stronger mechanical joint than SMT for a connector that sees repeated plug insertions. It provides a solder anchor that resists the shear force from cable strain, so the signal pins don't take the mechanical load. This is a practical feature for any panel-mount jack in a high-vibration or high-traffic environment.