When working with resistors and semiconductors, the R series datasheet helps in finding the right parts. The S component datasheet provides in-depth specifications for S series components. A SA datasheet PDF is a great reference for understanding the capabilities of SA series components. The SC series datasheet offers data for selecting SC components in various circuit designs. The SD datasheet download offers critical information for SD components used in high-precision electronics.
The site with millions datasheet -
SN74 datasheet download
ADE datasheet download
BC series datasheet
SA datasheet PDF
Good luck!