The 2SA1587 transistor is the subject of this 323 KB PDF, the largest in this group and likely to include detailed characteristic graphs. The name gives no board, device or revision information. According to the Japanese JIS scheme, the 2SA series consists of PNP bipolar transistors for high-frequency use. Use the document to identify leads, read breakdown voltages and current ratings, and evaluate equivalents. Confirm the package style and any suffix on the original component match before installing a replacement part.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @cyberlanelectonik. Enginerys does not host this file.
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