Seagate ST3750640SCE User Manual

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DB35.3 Series Serial ATA Product Manual, Rev. D
chemicals as electronic drive component reliability can be affected by the installation environment. The silver, 
copper, nickel and gold films used in Seagate products are especially sensitive to the presence of sulfide, chlo-
ride, and nitrate contaminants. Sulfur is found to be the most damaging. In addition, electronic components 
should never be exposed to condensing water on the surface of the printed circuit board assembly (PCBA) or 
exposed to an ambient relative humidity greater than 95%. Materials used in cabinet fabrication, such as vulca-
nized rubber, that can outgas corrosive compounds should be minimized or eliminated. The useful life of any 
electronic equipment may be extended by replacing materials near circuitry with sulfide-free alternatives.