Datasheet in PDF form, 289 KB, for the 2SC3547B, filed with schematics. The B suffix marks a variant of the 2SC3547; the name alone does not say whether it denotes a gain rank, voltage grade or revision, so read the sheet to see what distinguishes it. The 2SC prefix is the JIS designation for NPN high-frequency bipolar transistors. Technicians use the document for pinout, maximum ratings and characteristics when testing or substituting. Match the full marking including the suffix before choosing a replacement.
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