The Vishay IRFU430A is an N-Channel MOSFET with a drain-source breakdown voltage of 500V and a continuous drain current of 5A (Tc). It has a gate-source threshold voltage of 4.5V @ 250μA and a maximum gate charge of 24nC @ 10V. The maximum Rds On @ Id, Vgs is 1.7 Ohm @ 3A, 10V. The power dissipation (Max) is 110W (Tc), and it operates in a temperature range of -55°C to 150°C (TJ). The package is TO-251AA with dimensions of TO-251-3 Short Leads, IPak, TO-251AA. It is widely used in Discrete Semiconductor Products.