33-circuit unshrouded header
The 77311-401-33LF is the 33-circuit member of the Molex BERGSTIK single-row male pin header line, unshrouded, with a 0.100" (2.54mm) pitch. Rated 3A per contact with tin-plated phosphor bronze mating surfaces, it mounts through-hole with solder termination and carries a UL94 V-0 black thermoplastic housing rated -65°C to 125°C.
Position count and pitch
The 33-position 77311-401-33LF sits at the upper end of the BERGSTIK single-row 0.100" pitch range; the pitch and footprint are shared across the series, so match the position count to circuit count.