34-Position Dubox™ Header — Board Fit and Contact Duty
If it backs out, it's scrap; the lock prevents that in all but the most severe shock environments.
Through-Hole Mounting and Mechanical Clearance
Through-hole termination gives a robust solder joint that handles mechanical strain from the cable assembly. Insulation height of 0.368" (9.35mm) above the PCB leaves room for passives or traces underneath the header body.
