2N5400 transistor datasheet marked Sam, a 56.9 KB PDF that probably originates from Samsung, although the name alone cannot prove it.

Datasheet for the 2N5400 PNP transistor in a 177 KB PDF carrying an unexplained RE suffix, possibly an alternate vendor or reissued copy.

Larger 546 KB PDF datasheet covering the 2N5400, a high-voltage PNP small-signal transistor; the size suggests a scanned or multi-part document.