02163.15HXPFUSE FAST 250VAC 3.15A 5X20|LITTELFUSE INC|Lead free|RoHS Compliant BK/S501-3.15-R 5HF 3.15-R 02163.15MXP 0216.315HXPFUSE FAST 250VAC 315MA 5X20|LITTELFUSE INC|Lead free|RoHS Compliant 0216.315MXP 5HF 315-R