STP90N6F6 N-channel 60 V, 0.0057 Ω typ., 90 A ST.
STMicroelectronics
STP90N6F6 - N-CHANNEL POWER MOSFET
STP90N6F6 N-channel 60 V, 0.0057 Ω typ., 90 A STripFET™ F6 Power MOSFET in a TO-220 package Datasheet - production data Figure 1: Internal schematic.