Transistor Polarity:N Channel; Drain Source Voltage Vds:500V; Continuous Drain Current Id:20A; On Resistance Rds(On):0.22Ohm; Transistor Mounting:Through Hole; Rds(On) Test Voltage Vgs:10V; Threshold Voltage Vgs:4V; No. Of Pins:3Pinsrohs Compliant: Yes |Stmicroelectronics STP20NM50FD.