SIR680LDP-T1-RE3 N-Channel MOSFET Vishay SIR680LDP-T1-RE3 N-Channel MOSFET is an 80V (D-S) TrenchFET® Gen IV power MOSFET. This N-Channel MOSFET features very low RDS - Qg Figure-Of-Merit (FOM) and tuned for the lowest RDS - Qoss FOM. Typical applications include synchronous rectification, primary side switch, DC/DC converter, solar micro-inverter, motor drive switch, battery, load switch, and industrial.