The BCP56,115 is an NPN bipolar junction transistor from Nexperia USA Inc. It features 80V collector-emitter voltage, 1A collector current, 960mW power dissipation, and 180MHz transition frequency in a surface-mount SOT-223 package.
The STN83003 is an NPN bipolar junction transistor from STMicroelectronics. It offers a 400V collector-emitter voltage and 1.5A collector current, suitable for power switching applications.