Blade Fuses MAXI Blade Fuses Rated 32V The MAXI fuse uses Diffusion Pill Technology to provide predictable time delay characteristics and low heat dissipation. Specifications MAXI MAXI Sn (Silver Plated) (Tin Plated) Voltage Rating: 32 VDC 32 VDC Interrupting Rating: 1000A 32 VDC 1000A 32 VDC *Recommended Environmental Temperature: -40C to +125C -40C to +125C Terminals Material: Silver plated zinc alloy Tin plated zinc alloy MAXI Blade Fuses Housing Material: PA66 PA66 (U.L. 94 Flammability rating V2) (U.L. 94 Flammability rating V2) Net Weight Per Fuse: 5.75% gr 5.75% gr Complies with: SAE J 1888, SAE 2576, SAE J 1888, SAE 2576, ISO 8820-3:2002(E) ISO 8820-3:2002(E) *Tin platings temperature limit is 130C, Silver plating allows up to 150C at the interface. MAXI Sn Fuse (tin plated) Time-Current Ordering Information Time-Current Characteristics Characteristic Curves Package Opening Time Part Number Rating % of Rating Size Min / Max (s) 0299xxx.ZXNV 20 - 80 1200 100 360,000 / 0299xxx.L 20 - 80 50 135 60 / 1,800 0299xxx.TXN 20 - 80 10 200 2 / 60 MAXI Sn Fuse 350 0.2 / 7 0299xxx.ZXT 20 - 80 1200 600 0.04 / 1 Ratings 2 Current Housing Test Cable Typ. Voltage Typ. Cold Typ. I t Part Number 2 2 Rating (A) Material Color Size (mm ) Drop (mV) Resistance (m) (A s) 0299020. 20 4 76 3.10 1,100 0299025. 25 4 75 2.39 2,100 0299030. 30 4 77 1.95 4,100 0299035. 35 4 75 1.71 6,000 0299040. 40 4 75 1.42 8,500 0299050. 50 6 73 1.10 11,300 0299060. 60 6 77 0.89 15,300 0299070. 70 10 61 0.64 21,200 0299080. 80 10 62 0.54 43,600 2 The typical I t is an average value calculated from the breaking capacity tests by using the melting time before the arcing occurs. REV07272021 Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those 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 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 documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse . littelfuse.com 13Blade Fuses MAXI Blade Fuses Rated 32V Dimensions Temperature Table Dimensions in mm for reference only. See outline drawing for dimensions and tolerances. max. allowed current load A at ambient temperature (typical derating) -40C 0C 20C 65C 85C 110C 125C 29.2 29.2 8.98.8 20 20 20 20 18 15 13 20A 25 25 25 23 21 18 15 25A 21.6 21.6 30A 30 30 30 28 25 21 18 35A 35 35 35 30 27 23 19 40 40 40 34 30 25 22 40A 12.712.7 0.8 0.8 50 50 50 42 38 31 27 50A 8.18 60 60 56 47 42 35 31 60A 70 70 68 57 51 43 37 29.2 70A 29.2 80 78 74 62 56 47 40 80A Typical Derating of Fuse Melting Element Temperature Security Margin is 20% Please contact Littelfuse for Details Regarding Derating Test Set-Up. 20A 80 25A 30A 70 35A 40A Max Recommended 50A 60 Environmental 60A Temperature 70A 50 80A 40 30 20 10 0 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 Ambient Temperature C Derating curves may change depending on the final condition of the application (terminals characteristics, wire size etc..). Please ask Littelfuse for more information. REV07272021 Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those 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 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 documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse . littelfuse.com 14 Max. Allowed Current Load A