S20K420VARISTOR 420VRMS 20MM RADIAL|EPCOS INC|Lead free|RoHS Compliant V420LA40BP V20E420P S20K420E2VARISTOR 420VRMS 20MM RADIAL|EPCOS INC|Lead free|RoHS Compliant V20E420P ERZ-V20D681 V20E440P