P6SMB20ADIODE TVS 20V 600W UNIDIR 5% SMD|LITTELFUSE INC|Lead Mixed|RoHS Compliant P6SMB20A P6SMB20AT3G P6SMB20ADIODE TVS 20V 600W UNIDIR 5% SMD|LITTELFUSE INC (VA)|Lead Mixed|RoHS Compliant P6SMB20A