STK820MOSFET N-CH 25V 21A POLARPAK|STMICROELECTRONICS|Lead free|RoHS Compliant STK820 STK820MOSFET N-CH 25V 21A POLARPAK|STMICROELECTRONICS (VA)|Lead free|RoHS Compliant STK820 STK820MOSFET N-CH 25V 21A POLARPAK|STMICROELECTRONICS (VA)|Lead free|RoHS Compliant STK820