25 Position D-Sub Connector Plug Right Angle AMPLIMITE HD-20
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The 5747842-3/A139, manufactured by TE Connectivity (formerly TYCO), is a 12-position, single-row, right-angle shrouded header connector. This part conforms to RoHS compliance standards, indicating restrictions on the use of hazardous substances like lead, mercury, cadmium, hexavalent chromium, PBBs, and PBDEs. The “+ ” suffix likely denotes a specific revision level or minor modification to the original 5747842-3 design. The shrouded design provides polarization and protects the pins from damage during mating. Pin spacing is typically 2.54mm (0.1 inch), a common standard for PCB connectors. The housing material is likely a UL 94V-0 rated thermoplastic, ensuring flame retardancy. Mating connector compatibility should be verified through TE Connectivity datasheets to ensure proper electrical and mechanical connection.