A TO-220 case contains the Liner IC. In total, there are 3 terminations on the gadget. There are 3 pins in total on this board. In this case, the regulator type is FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR, which corresponds to this voltage regulator IC.
MC7915CT Features
MC7915CT Applications
There are a lot of Rochester Electronics, LLC MC7915CT Linear Voltage Regulators applications.