Alternates with caveats
Drop-in vs pin-compatible-with-differences vs functional — so a night-shift swap doesn't brick a board.
Find an alternate part.
Don't guess the pinout.
CrossBoard is a free lookup for IC/passive alternates and oilfield connector cheat sheets — with confidence levels and source links on every cross.
102 seeded crosses
15 connector families
Sources on every row
Connector cheat sheets
Deutsch DT/DTM/DTP, Amphenol PT/GT/97, CPC, AMPSEAL, 38999 and more — with manufacturer links.
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