15-Position SMT D-Sub Receptacle
The HARTING 09552156612741 is a 15-position D-Sub receptacle with female sockets arranged in two rows, using the standard DA-15 shell size (layout 2). It terminates via surface-mount solder pads, a less common termination for D-Subs that suits automated pick-and-place assembly and reflow processing on mixed-technology boards. The steel shell with nickel plating provides EMI shielding and mechanical rigidity, and the housing/shell flange includes a 4-40 threaded insert for standard D-Sub hardware. The dielectric is liquid crystal polymer (LCP), a high-temperature thermoplastic that withstands lead-free reflow profiles without distortion.
SMT Termination vs Through-Hole
This part's SMT termination sets it apart from the majority of D-Sub receptacles, which use through-hole solder tails for mechanical strength. The SMT format eliminates the need for drilled holes and wave soldering, saving board space on the bottom layer and allowing the connector to be placed on the same side as other surface-mount components. However, SMT D-Subs rely entirely on the solder pad adhesion for mechanical retention — the board guide and 4-40 flange hardware become critical for absorbing mating/unmating forces. For comparison, the through-hole 09662556511 (same 15-position DA shell) uses board locks and M3 threaded inserts for a more robust mechanical anchor, though it requires a wave-solder step.
Mating and Hardware
The 09552156612741 mates with any standard DA-15 D-Sub plug having male pins. The flange feature (Housing/Shell with 4-40 thread) is the female side of the screwlock — it accepts a male 4-40 jackpost or screw from the mating plug. The mating plug 09553296812741 is a 25-position DB-25 variant, which shares the same 2-row SMT format and gold contacts but uses a larger shell size — it is not a direct mate for this 15-position receptacle. A correct mating partner is the 15-position SMT plug 09552666820741, which includes grounding indents and female screwlocks (4-40) on the mating side.