BUY 2N297A https://www.utsource.net/itm/p/323987.html
5-Pin µP Supervisory Circuits with Watchdog and Manual Reset
2N297A is a NPN silicon transistor manufactured by Motorola. It is a TO-3 package transistor. Description: The 2N297A is a medium power NPN silicon transistor with a maximum collector current of 1.5A and a maximum power dissipation of 25W. It has a maximum collector-emitter voltage of 40V and a maximum collector-base voltage of 60V. Features: High current gain Low noise High breakdown voltage High switching speed Low saturation voltage Applications: Audio amplifiers Switching circuits High voltage power supplies Motor control circuits Relay drivers (For reference only)