Littelfuse 0230.250ERT1SP is a 0.25 A 230 Series 2AG axial time-delay glass fuse for telecom circuit protection; order-code configuration: reel and tape ERT1S configuration.
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0230.250ERT1SP is a Littelfuse 230 Series axial 2AG Slo-Blo fuse rated 0.25 A. At this rating, nominal melting I²t is 0.339 A²s; breaking capacity is documented as 35 A @ 250 VAC; 10 kA @ 125 VAC/VDC; 80 A @ 310 VAC. The 0.25–1.25 A range is also documented for short-duration surge withstand in telecom equipment. This order code uses reel-and-tape packaging, 2,500 pieces, T1=53 mm with S option; confirm the exact production configuration against the Littelfuse datasheet.
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