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Blade Fuses ATO ® BLADE FUSE RATED 32V Specifications Voltage Rating: 32 VDC Interrupting Rating: 1000A @ 32 VDC Operating Temperature Range: -40˚C to +105˚C Terminals: Sn plated zinc alloy Housing Terminals: Polyethersulfone, Polysulfone, and Polycarbonate Complies with: ISO 8820-3 UL 248 Special Purpose Fuses Ordering Information Part Number Package Size 0257xxx.PXPV 2000 0257xxx.U 500 0257xxx.L 50 Time-Current Characteristics Description Developed by Littelfuse for the automotive industry, the ATO ® fuse has become the original equipment circuit protection standard for foreign and domestic automobiles and trucks. Readily identifiable and easily replaced, this fuse can be specified for a variety of low voltage electronic applications. % of Rating Current Rating Opening Time Min / Max (s) 100 35-40 360,000 s / – 110 1-30 360,000 s / – 135 1-2 3-40 500 ms /600 s 0.750 s / 600 s 200 1-2 3-40 100 ms/5.0 s 0.150 s / 5.0 s 350 1-2 3-40 20 ms / 500 ms 80 ms / 500 ms 600 1-30 35-40 –/ 100 ms –/ 150 ms Ratings Part Number Current Rating Housing Color Typ. Voltage Drop Cold Resistance I2t 0257001._ 1A 176 mV 123 mΩ 0.4 A²s 0257002._ 2A 141 mV 53.5 mΩ 1.4 A²s 0257003._ 3A 137 mV 31.1 mΩ 7.4 A²s 0257004._ 4A 136 mV 22.8 mΩ 14 A²s 0257005._ 5A 128 mV 17.85 mΩ 26 A²s 025707.5_ 7.5 A 116 mV 10.91 mΩ 60 A²s 0257010._ 10 A 109 mV 7.70 mΩ 115 A²s 0257015._ 15 A 102 mV 4.80 mΩ 340 A²s 0257020._ 20 A 98 mV 3.38 mΩ 520 A²s 0257025._ 25 A 92 mV 2.52 mΩ 1080 A²s 0257030._ 30 A 84 mV 1.97 mΩ 1510 A²s 0257035._ 35 A 87 mV 1.61 mΩ 2280 A²s 0257040._ 40 A 96 mV 1.44 mΩ 3310 A²s Corresponding holder see Section “Fuse Holders.” © 2010 Littelfuse • Transportation Products Catalog 1 www.littelfuse.com Blade Fuses ATO ® BLADE FUSE RATED 32V Temperature Rerating Curve Dimensions Dimensions in mm Time-Current Characteristic Curves www.littelfuse.com 2 © 2010 Littelfuse • Transportation Products Catalog