0218004.MXPFUSE 250V IEC SLO-BLO 5X20MM 4A|LITTELFUSE INC|Lead free|RoHS Compliant BK/S506-4-R 0034.3123 5ST 4-R 0218004.HXP 0218004.MXPFUSE 250V IEC SLO-BLO 5X20MM 4A|LITTELFUSE INC|Lead free|RoHS Compliant BK/S506-4-R 0034.3123 5ST 4-R 0218004.HXP