24-Position Shrouded Header for Board-to-Cable Wiring
The 1658694-9 is a 24-position, dual-row, shrouded header from TE Connectivity's AMP-Latch series.
Termination is listed as press-fit and solder — the press-fit option allows solderless assembly for backplane or high-reliability builds, while the solder path gives a traditional through-hole joint for prototyping or lower-volume production. The mounting flange and keying slot provide mechanical retention and polarization: the flange bolts the header to the board for vibration resistance, and the keying slot prevents mismating with non-keyed receptacles. In high-vibration environments, consider a secondary lock or tie-down.
Materials and Environmental Ratings
Contact base metal is phosphor bronze with tin plating on the post (100 µinch / 2.54 µm) and gold or gold-palladium on the mating surface (30 µinch / 0.76 µm). The gold thickness supports 500+ mating cycles typical for field-service or test-equipment duty.