Blade Fuses ATOF ® Blade Fuses Rated 32V Developed by Littelfuse for the automotive industry, the ATOF® 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. Specification ATOF ® Blade Fuses ATOF ® (Tin Plated) Voltage Rating: 32 VDC Interrupting Rating: 1000A @ 32 VDC *Component Level Temperature Range: -40˚C to +105˚C **System Level Temperature Range: -40˚C to +85˚C 105°C and 85°C are typical system level temperature requirements. Terminals: Sn plated zinc alloy Housing Material: PA66 Complies with: SAE J1284,ISO 8820-3 UL Listed: File AU1410 CSA Certified: File No. 29862 ATO ® Ag (Silver plated) Blade Fuses Ag plated zinc alloy PA66 SAE J1284,ISO 8820-3 File AU1410 File No. 29862 Time-Current Characteristics % of Rating Package Size Current Rating Opening Time Min / Max (s) 100 35A & 40A 360,000 s / – 0287xxx.PXCN 2000 110 1A-30A 360,000 s / – 0287xxx.U 500 0287xxx.H 100 135 1A & 2A 3A-40A 350 ms / 600 s 0.750 s / 600 s 0287xxx.L 50 Ordering Information Time-Current Characteristic Curves ATO Ag (Silver Plated) 32 VDC 1000A @ 32 VDC -40˚C to +125˚C -40˚C to +105˚C Part Number ATO ® Ag Fuse 0287xxx.PXS 2000 160 1A-40A 250 ms / 50 s 200 1A & 2A 3A-40A 100 ms / 5.0 s 0.150 s / 5.0 s 350 1A & 2A 3A-40A 20 ms / 500 ms 80 ms / 500 ms 600 1A-30A 35A & 40A – / 100 ms – / 150 ms Ratings Temperature Rerating Curve Part Number Current Rating (A) 0287001._ 1 0287002._ 2 0287003._ 3 Housing Material Color Typ. Voltage Drop (mV) Cold Resistance (mΩ) I2t (A2s) 176 123 0.4 141 53.5 1.4 137 31.1 7.4 0287004._ 4 136 22.8 14 0287005._ 5 128 17.85 26 028707.5_ 7.5 116 10.91 60 0287010._ 10 109 7.70 115 0287015._ 15 102 4.80 340 0287020._ 20 98 3.38 520 0287025._ 25 92 2.52 1080 0287030._ 30 84 1.97 1510 0287035._ 35 87 1.61 2280 0287040._ 40 96 1.44 3310 Dimensions Dimensions in mm *Component Level Temperature = the maximum ambient temperature that a single fuse will survive. This does not factor-in the heat from a populated fuse box, but does include the heat from the current load with the proper rerating. **System Level Temperature represents the ambient temperature of the fuse box at a location within the vehicle. The temperature within a populated fuse box (in a given location) will be higher. The limiting factor is the plating. Sn-plating’s temperature limit is ≈130°C, and Ag-plating allows up to 150°C at the terminal interface. Littelfuse products are designed for specific applications and should not be used for any purpose (including, without limitation, automotive applications) not expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse product documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse product documentation. 7 littelfuse.com