299 LITTELFUSE | Alldatasheet
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Blade Terminal & Special Purpose Fuses 453www.littelfuse.com Low Voltage MAXI® Fuse Slo-Blo® Type Fuse The MAXI Fuse is available in a higher range of amperage ratings (20–80 amperes) than the MINI ® Fuse and ATO® Fuse designs and is larger in physical size. A typical MAXI Fuse application in today’s more sophisticated automobile circuits is protection of the wiring harness by replacing the fusible wire or fusible link, which is often a plain piece of small wire. ELECTRICAL CHARACTERISTICS: % of Ampere Ampere Opening Rating Rating Time 135% 20–60 60 sec., Min.; 1800 sec., Max. 70–80 60 sec., Min.; 3600 sec., Max. 20 4 sec., Min.; 20 sec., Max. 30 6 sec., Min.; 30 sec., Max. 200% 40 8 sec., Min.; 40 sec., Max. 50 10 sec., Min.; 50 sec., Max. 60 15 sec., Min.; 60 sec., Max. 70–80 4 sec., Min.; 60 sec., Max. 30 1 sec., Min.; 4 sec., Max. 60 2 sec., Min.; 7 sec., Max. AGENCY APPROVALS:Recognized under the components program of Underwriters Laboratories. DESIGN STANDARD:SAE (Society of Automotive Engineers) J1888. PHYSICAL SPECIFICATIONS: Materials: Body: Plastic Terminations: Silver-Plated PATENTED INTERRUPTING RATING: 1000A @ 32VDC ORDERING INFORMATION: Average Time Current Curves Ampere Voltage Body Nominal Cold Minimum Catalog Rating Rating Color Resistance Melting I 2t Number (A) (VDC) Code Ohms (A 2 Sec.) 299 020 20 32 Y ellow 0.0031 1100 299 025 25 32 Gray 0.0024 2087 299 030 30 32 Green 0.0020 4070 299 035 35 32 Brown 0.0017 6032 299 040 40 32 Orange 0.0014 8450 299 050 50 32 Red 0.0011 11300 299 060 60 32 Blue 0.00089 15300 299 070 70 32 Tan 0.00064 6900 299 080 80 32 Natural 0.00054 8800 29.21 (1.15") 8.85 (.35") 29.21 (1.15") 21.59 (.85") 12.70 (.50") 8.13 (.32") 0.81 (.032") Reference Dimensions 1000 100 0.1 0.01 100001000100101 TIME IN SECONDS CURRENT IN AMPERES 20A 25A 30A 35A 60A 50A 40A RoHS 12BLADE TERMINAL AND SPECIAL PURPOSE FUSES