STP5N80K5 N-channel 800 V, 1.50 Ω typ., 4 A MDme.
STMicroelectronics
STP5N80K5 - N-channel Power MOSFET
STP5N80K5 N-channel 800 V, 1.50 Ω typ., 4 A MDmesh™ K5 Power MOSFET in a TO-220 package Datasheet - production data Figure 1: Internal schematic dia.