BC807-40,215 is a PNP general-purpose transistor from Nexperia, rated for 45V collector-emitter voltage and 500mA DC current, in an SOT23 surface mount package.
Nexperia BC857B,215 is a PNP general-purpose transistor rated for 45V collector-emitter voltage and 100mA collector current. It comes in a surface-mount SOT23 (TO-236AB) package.