6.3 Amp 5 x 20 Glass Fuse This item was sourced on www.MFG.com as one of the items in an RFQ in USA for Fuses Buyer is in search of a Littelfuse 6.3 Amp 5 x 20 Glass Fuse. This is not a one time job. Looking for a vendor for future orders! Part Part Number: 218 Series Material: Material Grade: Technical Specifications Category:Fuses Dimensions0.0 x 0.0 inch Annual Usage:13000.0 Get quotes online for manufacturing services at MFG.com from machine shops, fabricators, job shops and contract manufacturers. MFG.com connects buyers and suppliers when the buyer has a need and the supplier has the right expertise and capacity. MFG.com analyzes all engineered parts and RFQs for improved manufacturability and to ensure quality and a quick quoting experience. Fuses: Fuses are used to protect electrical components from excess current. The internal element of a fuse melts from over currents and short circuits, thereby breaking the circuit.