30302000421 Littelfuse

Radial Lead Fuses TR3 > Fast-Acting Fuse > 303 Series RoHS Pb 303 Series, TR3, Fast-Acting Fuse Description The 303 Series are TR3, fast-acting type, 125V rated fuses designed in accordance to UL 24814. Features Reduced PCB space Vibration resistant requirements RoHS compliant, Lead- Direct solderable or Free and Halogen-Free plug-in versions Available from 0.050A Internationally approved to 5A Agency Approvals Low internal resistance Shock safe casing Agency Agency File Number Ampere Range E67006 0.050A - 5A Applications Battery chargers Power supplies 051378 0.050A - 5A Consumer electronics Industrial controllers Electrical Characteristics Additional Information % of Ampere Opening Time Rating 200 60 Seconds, Maximum Datasheet Resources Samples Electrical Characteristics Voltage Power Melting Approvals Nominal Cold Drop Dissipation Integral Amp Rated Voltage Breaking Resistance Code Current Rating Capacity 1.0I 1.0I 10I N N N (Ohms) 2 max. (mV) max. (mW) max. (A s) 0050 50mA 125V 2.9203 800 40 0.00007 X X 0063 63mA 125V 2.7400 780 50 0.00013 X X X X 0080 80mA 125V 2.2300 730 60 0.0002 0100 100mA 125V 4.3800 700 70 0.0004 X X 0125 125mA 125V 3.4605 650 85 0.0022 X X X X 0160 160mA 125V 2.1687 600 100 0.0029 X X 0200 200mA 125V 1.3500 550 110 0.0042 0250 250mA 125V 1.1500 500 125 0.0082 X X X X 0315 315mA 125V 0.9645 450 145 0.015 X X 0400 400mA 125V 0.8050 400 160 0.025 50A 125VAC 0500 500mA 125V 0.5320 380 190 0.042 X X 50A 63VDC 0630 630mA 125V 0.1448 160 100 0.015 X X X X 0800 800mA 125V 0.1023 155 125 0.025 1100 1.00A 125V 0.0830 150 155 0.039 X X 1125 1.25A 125V 0.0644 145 185 0.059 X X X X 1160 1.60A 125V 0.0520 140 225 0.11 1200 2.00A 125V 0.0400 130 260 0.17 X X 1250 2.50A 125V 0.0307 125 315 0.23 X X X X 1315 3.15A 125V 0.0262 120 380 0.45 1400 4.00A 125V 0.0178 110 440 1.0 X X 1500 5.00A 125V 0.0131 105 525 1.5 X X Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand. 2016 Littelfuse, Inc. Specifications are subject to change without notice. Application testing is strongly recommended. Revised: 04/29/16 Radial Lead Fuses TR3 > Fast-Acting Fuse > 303 Series FAST ACTING DE-RATINGCURVE Temperature Re-rating Curve Average Time Current Curves 140 1000 120 100 100 80 60 23C 40 10 20 0 -40-20 020406080 1 AMBIENTTEMPERATURE(C) Note 1. Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation. 0.1 0.01 0.001 0.01 0.1 1 10 100 1000 CURRENT IN AMPERES Soldering Parameters - Wave Soldering 300 Recommended Process Parameters: 280 260 Wave Parameter Lead-Free Recommendation 240 220 Preheat: 200 (Typical Industry Recommendation) (Depends on Flux Activation Temperature) 180 Temperature Minimum: 100C 160 Temperature Maximum: 150C 140 120 Preheat Time: 60-180 seconds 100 Solder Pot Temperature: 260C Maximum 80 60 Solder Dwell Time: 2-5 seconds 40 20 0 Recommended Hand-Solder Parameters: Time (Seconds) Solder Iron Temperature: 350C +/- 5C Cooling Time Preheat Time Heating Time: 5 seconds max. Dwell Time Note: These devices are not recommended for IR or Convection Reflow process. 2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 04/29/16 Temperature (C) - Measured on bottom side of board PERCENTOFRATING 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 TIME IN SECONDS 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 1A 1.25A 1.60A 2A 2.50A 3A 3.15A 4A 5A