Infineon’s best price performance 600V CoolMOS™ S7 Superjunction MOSFET for low frequency switching applications in TO-Leadless (TOLL) package Infineon’s 600V CoolMOS™ S7 Superjunction MOSFET (IPT60R040S7) in TO-Leadless (Pb-free) package features a design optimized for low conduction performance. The IPT60R040S7 boasts the best RDS(on) x price for low frequency switching applications, like active bridge rectification, inverter stages, in-rush relays, PLCs, HV DC lines, power solid state relay (SSR) and solid state circuit breakers (SSCB). This 600V CoolMOS™ S7 SJ MOSFET comes with enhanced energy efficiency and lower BOM expenses.