40-position breakaway header, 0.100" pitch
The 4-146304-0: Gold-plated mating contacts carry 3 A per position; the through-hole right-angle orientation suits board-edge routing where the header sits parallel to the PCB.
Lifecycle status — obsolete, sourced per RFQ
TE Connectivity AMP Connectors lists the 4-146304-0 as Obsolete.
