BC109 Datasheet PDF - Comset Semiconductors

The BC107, BC108 and BC109 are silicon planar epitaxial NPN transistors mounted in TO-18 metal package.
They are suitable for use in drive audio stages, low-noise input audio stages and as low power, high gain general purpose transistors.
The complementary PNP are BC177, BC178 and BC179. Compliance to RoHS.