2N5163 NPN General Purpose Transistor

The 2N5163 is an NPN general-purpose transistor from the same historical small-signal transistor family as the 2N5172 and related 2N51xx-series parts, built for general amplifier and switching duty in a compact through-hole package. It belongs to the same generation of silicon planar epitaxial devices used across audio, low-power control, and general switching circuits from the era.

As a legacy part number, it’s typically sourced today as new-old-stock or from specialty component distributors rather than mainstream catalogs, so exact electrical grading can vary by manufacturer lot — always check the manufacturer’s specific datasheet for your batch before designing it into a new circuit.

1. General-purpose NPN amplifier/switching transistor
2. Part of the classic 2N51xx small-signal transistor series
3. Compact, low-cost through-hole package
4. Suited to general amplifier and switching applications
5. Legacy/vintage electronics part, useful for repair and retro builds