700 V CoolMOS™ P7 superjunction MOSFET in ThinPAK 5x6 package The 700 V CoolMOS™ P7 N-channel superjunction (SJ) MOSFET series has been developed to serve the forthcoming trends in flyback topologies. The technology addresses the low-power SMPS market, mainly focusing on mobile phone chargers and notebook adapters, but suitable for power supplies used within lighting applications, home entertainment (TV, game consoles, or audio), as well as auxiliary power supplies.