The part number 505565-0401 from Molex's Micro-Lock Plus series is an ultra-compact signal connector with a miniature 1.25mm pitch, designed in the automotive electronics category for wire-to-board connections within protected cabin environments. Engineered with a mechanical positive lock, it prevents accidental disconnections caused by severe road vibrations. Furthermore, with its high thermal stability (operating up to 105°C) and noise-resistant terminals, this connector serves as a standard automotive choice for transmitting sensitive signals in components such as steering wheel switches, air conditioning panels, interior sensors, and infotainment displays.