Right-angle 18-position header with board lock
The 4-794677-8: This is a through-hole right-angle header from the Micro MATE-N-LOK series, 18 circuits in two rows on 3.00mm pitch. The right-angle orientation puts the mating face parallel to the board — useful for cable exits along the board edge where z-height is tight. The 4-wall shrouding protects the male pins from bending during handling, and the locking ramp on the header engages the matching receptacle's latch for a vibration-resistant mate.
Current rating and contact plating
The current rating is listed as varies by wire gauge — the Micro MATE-N-LOK contact interface is rated for up to 5 A per circuit with 20 AWG wire in a single-wire seal configuration, but the actual limit depends on the wire size and the number of circuits powered simultaneously. Tin is cost-effective for moderate mating cycles (50–100 mates) and works well in dry indoor environments; for higher cycle life or corrosive atmospheres, the gold-plated variants in the same series are a better fit.
This header mates with Micro MATE-N-LOK receptacle housings (crimp-socket terminals) — the locking ramp on the header and the latch on the receptacle click together and hold under vibration. The 3.00mm pitch and dual-row layout match the standard Micro MATE-N-LOK wire-to-board interface. Typical applications are general-purpose wire-to-board interconnects inside equipment enclosures — power supplies, control panels, industrial automation, and consumer appliances where the UL94 V-0 nylon housing meets the enclosure flammability requirement.