Datasheet in PDF, 229 KB, for the 2SA1015L, where the L suffix denotes a variant of the 2SA1015 whose exact meaning is defined inside the document. The 2SA prefix under JIS rules marks a PNP bipolar transistor, a widely used small-signal type. Technicians refer to it for pinout, ratings, hFE grades and package details when testing or replacing the part. Lead order can differ between manufacturers of the same number, so compare the sheet with the actual component before soldering.
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