STF4N90K5 N-channel 900 V, 1.90 Ω typ., 4 A MDme.
STMicroelectronics
STF4N90K5 - N-channel Power MOSFET
STF4N90K5 N-channel 900 V, 1.90 Ω typ., 4 A MDmesh™ K5 Power MOSFET in a TO-220FP package Datasheet - production data TO-220FP Figure 1: Internal sc.