Toshiba America Electronic Components (TAEC)*  announced a new lineup of ultra-efficient, high-speed, high-voltage MOSFETs for switching voltage regulator designs. Available with 800V and 900V ratings, the four N-channel devices (TK4A80E, TK5A80E, TK3A90E, TK5A90E) are targeted to applications including flyback converters in LED lighting, supplementary power supplies and other circuits that require current switching below 5.0A.