MIDI® Fuse 40A 50A 60A 70A 80A 100A 125A The MIDI® Fuse offers a bolt-on space saving fuse for high current wiring protection and provides time delay characteristics with “Diffusion Pill Technology”. The MIDI Fuse was designed and patented by Littelfuse. 10000 TIME IN SECONDS 1000 100 10 1 0.1 0.01 10 100 1000 10000 CURRENT IN AMPERES 41 10 12 16 30 Ø 5.5 8 0.4 4 TIME-CURRENT CHARACTERISTICS Opening Time % of Maximum Minimum Rating 100 hrs. 100 4 hrs. 110 3600 s 90 s 150 100 s 5s 200 15 s 0.5 s 300 Interrupting Rating: 1000A @ 32 VDC Voltage Rating: 32 VDC Ambient Temp.: –40°C to +125°C MIDI Fuse Temperature Rerating Curve MIDI® FUSE TABLE Nom. Cold Resistance (mΩ) 1.3 1.04 0.87 0.72 0.56 0.45 0.40 0.33 Typ. Voltage Drop at Rated Current (mV) 65 65 68 70 58 60 71 77 120 Rerating Factor (% Rated Current) Part Number 498040 498050 498060 498070 498080 498100 498125 498150 Current Rating (A) 40 50 60 70 80 100 125 150 115 110 105 100 95 90 85 80 75 70 -40 -20 0 20 40 60 80 100 Ambient Temperature (°C) 120 140 13