0216004.MXPFUSE 4A 250VAC 5X20 FAST|LITTELFUSE INC|Lead free|RoHS Compliant BK/S501-4-R 5HF 4-R 0216004.HXP 0216004.MXPFUSE 4A 250VAC 5X20 FAST|LITTELFUSE INC|Lead free|RoHS Compliant BK/S501-4-R 5HF 4-R 0216004.HXP