Infineon ICE3AR0680JZ transistor 800 V

Integrated power management IC with 800V avalanche rugged CoolMOS™, startup cell and fixed frequency current mode flyback PWM controller in DIP-7 package. Capable for 44W SMPS design. The additional features include input brownout feature,  active burst mode operation to achieve extremely low standby power consumption, frequency jittering to obtain low EMI, adjustable blanking window to facilitate load jumps and high voltage start-up cells that allows you to quickly power up your controller from the rectified line.