AXIAL LEAD AND CARTRIDGE FUSES DESIGNED TO UL/CSA STANDARD 5 x 20 mm Medium Acting Fuse U® L ® • Designed to UL/ CSA/ANCE 248 Standard. • Available in Cartridge, Axial and Radial Lead Format. • Available in ratings of 1A to 6.3A. ELECTRICAL CHARACTERISTICS: % of Ampere Rating 110% 135% 200% Ampere Rating 1–3.5 4–6.3 1–6.3 1–6.3 4 1 1 3 Opening Time hours, Minimum hour, Minimum hour, Maximum seconds, Maximum AGENCY APPROVALS: Listed by Underwriters Laboratories and Certified by CSA. Approved by MITI. PACKAGING: For Axial Leads add packaging suffix XE. For Radial Leads add packaging suffix XW. For tape and reel options contact Littelfuse. ORDERING INFORMATION: Ampere Rating 1 1.25 1.6 2 2.5 3 3.15 3.5 4 5 6 6.3 Voltage Rating 250 250 250 250 250 250 250 250 125 125 125 125 Nominal Melting I2t A2Sec 2.03 3.48 6.31 10.2 17.5 27.0 30.6 37.3 53.0 92.4 135 156 233 000XE 233 000XW 20±0.5 .635 (.025) 20 (.787) 5 (.197) 5.25 (.207) 20.24 (.797) 40 (1.58) 10 ±2 5.02 ±0.5 25±0.5 Average Time Current Curves 1A 1.25A 1.6A 2A 2.5A 3A 3.15A 3.5A 4A 5A 6A 6.3A Catalog Number 0233 001 0233 1.25 0233 01.6 0233 002. 0233 02.5 0233 003. 0233 3.15 0233 03.5 0233 004. 0233 005. 0233 006. 0233 06.3 Nominal Resistance Cold Ohms 0.18 0.13 0.088 0.068 0.052 0.043 0.038 0.034 0.032 0.022 0.018 0.017 233 000 10000 1000 TIME IN SECONDS 100 10 1 0.1 0.01 0.001 0.1 62 1 10 CURRENT IN AMPERES 100 1000