Nxp general purpose npn transistors nxp bfg135a a 15v npn silicon planar epitaxial transistor in a plastic sot 223 package intended for wideband amplifier applications the small emitter structures with integrated emitter ballasting resistors ensure high output voltage capabilities at a low distortion level the distribution of the active areas across the surface of the device gives an excellent temperature profile nxp bfg135a 7ghz wideband npn transistor 15v sot 223