The STP60NF06: N-channel MOSFET, 60 V drain-source, 60 A continuous drain, 16 mOhm Rds(on) at 10 V, TO-220-3 through-hole package.
At 60 A the on-resistance will rise due to self-heating, so the 16 mOhm figure is the benchmark for sizing heatsinks at the typical operating point.
STMicroelectronics lists the STP60NF06 as Active.
