Sot 23 general purpose pnp transistors trusemi bc807 25 general purpose transistor pnp polarity 45v collector emitter breakdown voltage 500ma collector current 225mw power 630 dc current gain 100mhz transition frequency sot 23 case epitaxial planar construction designed for use in drive and output stages of audio amplifiers supplied in reel of 3000 trusemi bc807 25 reel 3k transistor sot23