0216.500MXPFUSE 500MA 250VAC 5X20 FAST|LITTELFUSE INC|Lead free|RoHS Compliant BK/S501-500-R 5HF 500-R 0216.500HXP 0216.500MXPFUSE 500MA 250VAC 5X20 FAST|LITTELFUSE INC|Lead free|RoHS Compliant BK/S501-500-R 5HF 500-R 0216.500HXP