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 250v 2amp in a TO-66 case.
Transistor used on early solid state Bally and Stern pinball machine High Voltage Regulator circuits.
Reference:
Bally E-00585-0042
Midway 104E-00005-0002
Stern 25A-2-3584 location Q21