STP12N60M2 N-channel 600 V, 0.395 Ω typ., 9 A MD.
STMicroelectronics
STP12N60M2 - N-channel Power MOSFET
STP12N60M2 N-channel 600 V, 0.395 Ω typ., 9 A MDmesh™ M2 Power MOSFET in a TO-220 package Datasheet - production data Figure 1: Internal schematic d.