04000026NR

Surface Mount Fuses Ceramic Chip Fuse > 400M Series 400M Series - 0603 Low Resistance Fast Acting Fuse RoHS Pb Description The 400M Series is an 0603 fast acting fuse that is best suited for applications that require relatively low resistance. The part is 100% Lead-free, RoHS compliant, and Halogenfree fuse. It is designed to provide over-current protection to circuits that operate under high operating temperatures of up to 150°C. Features • Operating temperature from -55˚C to 150˚C • Suitable for both leaded and lead-free soldering • 100% Lead-free, RoHS compliant, and Halogenfree Electrical Characteristics % of Ampere Rating Opening Time at 25ºC 100% 4 Hours Minimum 200% 5 Seconds Maximum Applications • Burn-in Test Additional Information Datasheet Samples Resources Electrical Specifications by Item Ampere Rating (A) Amp Code Max. Voltage Rating (V) 0.5 0025 5 1.5 0026 5 Interrupting Rating 50A @ 5VDC Nominal Voltage Nominal Power Drop at Rated Dissipation at Current Rated Current (mV) (W) Nominal Resistance (Ohms) Nominal Melting I2t (A2Sec.) 0.325 0.00169 189 0.095 0.095 0.03 161 0.242 Notes: 1. Cold resistance measured at less than 10% of rated current at 23°C. 2. I2t values stated for 1msec opening time. © 2019 Littelfuse, Inc. Specifications are subject tostrongly change recommended. without notice. Specifications are subject to change without notice. Application testing is Revised: 07/30/19 Surface Mount Fuses Ceramic Chip Fuse > 400M Series Average Time Current Curves 100 140 120 10 100 80 60 40 -65 -45 -25 -5 15 35 55 75 95 115 135 155 TEMPERATURE (°C) OPENING TIME (SEC) PERCENT OF RATING 1.50A 0.500A Temperature Re-rating Curve 1 0.1 Note: Re-rating depicted in this curve is in addition to the standard re-rating of 20% for continuous operation. 0.01 0.001 0.1 1 10 CURRENT IN AMPERES (A) Soldering Parameters Pre Heat Pb – free assembly - Temperature Min (Ts(min)) 150°C - Temperature Max (Ts(max)) 200°C - Time (Min to Max) (ts) 60 – 180 seconds Average Ramp-up Rate (Liquidus Temp (TL) to peak) 5°C/second max. TS(max) to TL - Ramp-up Rate 5°C/second max. Reflow - Temperature (TL) (Liquidus) 217°C - Temperature (tL) 60 – 150 seconds 260 Time within 5°C of actual peak Temperature (tp) 20 – 40 seconds Ramp-down Rate 5°C/second max. Time 25°C to peak Temperature (TP) 8 minutes max. Do not exceed 260°C © 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 07/30/19 °C Critical Zone TL to TP Ramp-up TL TS(max) tL Ramp-down TS(min) 25 Peak Temperature (TP) +0/-5 tP TP Temperature Reflow Condition Preheat tS time to peak temperature (t 25ºC to peak) Time Surface Mount Fuses Ceramic Chip Fuse > 400M Series Product Characteristics Body: Advanced Ceramic Terminations: Ag/Ni/Sn (100% Lead-free) Element Cover Coating: Lead-free Glass Materials Moisture Resistance MIL-STD-202, Method 106G Thermal Shock MIL-STD-202, Method 107,G Condition B-3 Mechanical Shock MIL-STD-202, Method 213B, Condition A Vibration MIL-STD-202, Method 201A Moisture Sensitivity Level IPC/JEDEC J-STD-020C, Level 1 Solderability IPC/ECA/JEDEC J-STD-002B, Condition B Vibration, High Frequency MIL-STD-202, Method 204D, Condition D Humidity Test MIL-STD-202, Method 103B, Conditions D IPC/ECA/JEDEC J-STD-002B, Condition D Resistance to Solder Heat Dissolution of Metallization MIL-STD-202, Method 210F, Condition B Terminal Strength IEC 60127-4 Dimensions Part Marking System 1.54±0.150 [0.061±0.006] 0.85±0.150 [0.033±0.006] Amp Code K 0.530 +/- 0.150 [0.021 +/- 0.006] Marking Code 0025 F 0026 K Part Numbering System 0400 0026 W R 0.502±0.080 [0.020±0.003] SERIES PACKING ODE R = Tape and Reel AMP CODE QUANTITY CODE Refer to Electrical Characteristics Table W = 3000 pieces N = 5000 pieces 0.432 +/- 0.150 [0.017 +/- 0.006] 0.60 [0.024] 0.74 [0.029] 1.00 [0.039] Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics. 1.94 [0.076] Packaging Packaging Option Form Factor Packaging Specification Quantity Quantity & Packaging Code 8mm Tape and Reel Surface Mount EIA-481, IEC 60286, Part 3 3000 WR 8mm Tape and Reel Surface Mount EIA-481, IEC 60286, Part 3 5000 NR © 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 07/30/19