FDD6680MOSFET N-CH 30V 12A DPAK|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant FDD8880 FDD6680AMOSFET N-CH 30V 14A DPAK|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant FDD8880 NTD4806NT4G NTD4806NT4G