The ON Semiconductor KSP44BU is an NPN Epitaxial Silicon Transistor designed for high-voltage applications. It features a 400V collector-emitter voltage and a 300mA collector current.
The MPSA42 is an NPN silicon planar high voltage transistor from ON Semiconductor. It features a 300V collector-emitter voltage and 500mA continuous collector current.
NPN bipolar transistor with 45V collector-emitter breakdown voltage, 100mA collector current, and 300MHz transition frequency in a TO-92-3 through-hole package.