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.
Single reset chip replaces several of the stock reset components on a Gottlieb or Bally MPU as per the www.marvin3m.com repair site.
This inexpensive Dallas device looks like a transistor, but is really a three leg integrated circuit in a TO-92 transistor package.
Reference:
DS1811
DS1811-10
DS1811-15
DS1811-5