CALIFORNIA WARNING: This product can expose you to chemicals, including lead and DEHP, which are known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information, go to https://www.p65warnings.ca.gov.
Transistor NPN silicon 300V IC-0.1A audio/video amplifier and regulator in a TO-202 package.
Reference:
Williams 5A-9057
NTE 171
SDS-201