Fuse Mounting Accessories Page 136 Fuse & Mounting Accessories

2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/03/17 Radial Lead Fuses TR5 > Time-Lag Fuse > 374 Series Average Time Current Curves Electrical Characteristics Amp Code Rated Current Voltage Rating Breaking Capacity Nominal Cold Resistance (Ohms) Voltage Drop 1.0I N max. (mV) Power Dissipation 1.0I N max. (mW) Melting Integral 10I N min. (A 2 s) Agency Approvals 0050 50mA 250V 50A@250VAC 12.5000 900 45 0.011 x 0063 63mA 250V 7.9200 800 50 0.015 x 0080 80mA 250V 5.8500 700 55 0.025 x 0100 100mA 250V 3.8400 600 60 0.039 x 0125 125mA 250V 2.9000 550 70 0.052 x 0160 160mA 250V 1.8300 480 80 0.083 x 0200 200mA 250V 1.2000 390 80 0.146 x 0250 250mA 250V 0.7600 350 90 0.313 x 0315 315mA 250V 0.5450 300 95 0.298 x 0400 400mA 250V 0.3510 250 100 0.552 x 0500 500mA 250V 0.2600 220 110 0.875 x 0630 630mA 250V 0.1700 210 135 1.191 x 0800 800mA 250V 0.1250 160 130 2.112 x 1100 1.00A 250V 0.1050 155 3.100 x 1125 1.25A 250V 0.0800 145 185 4.453 x 1160 1.60A 250V 0.0540 130 210 6.272 x 1200 2.00A 250V 0.0395 125 250 11.800 x 1250 2.50A 250V 0.0300 120 300 18.125 x 1315 3.15A 250V 0.0227 110 350 29.966 x 1400 4.00A 250V 0.0170 100 400 56.000 x 1500 5.00A 250V 0.0122 95 475 87.500 x 1630 6.30A 250V 0.0094 90 570 144.869 x 1800 8.00A 250V 0.0060 80 1000 220.800 x 2100 10.00A 250V 0.0050 90 1250 430.000 x Notes: 1) 1.00 means the number one with two decimal places. 1,000 means the number one thousand. 2) Resistance is measured at 10% of rated current, 25C. CURRENT IN AMPERES TIME IN SECONDS 0.001 0.010 0.100 1 10 100 1000 10000 100000 0.100 1 10 100 0.02 0.050A 0.063A 0.080A 0.100A 0.125A 0.160A 0.200A 0.250A 0.315A 0.400A 0.500A 0.630A 0.800A 1.00A 1.25A 1.60A 2.00A 2.50A 3.15A 4.00A 5.00A 6.30A 8.00A 10.00A Temperature Re-rating Curve 0 20 40 60 80 100 120 140 -40 -20 0 20 40 60 80 AMBIENT TEMPERATURE (C) PERCENT OF RATING 23C Note: 1. Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation.

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