04853.15DR

Surface Mount Fuses Nano2® > 600VDC > Fast-Acting Fuse > 485 Series 485 Series Fuse (Not Recommended for Automotive Applications) RoHS Description The 485 Nano2® Fuse Series is a small, fast-acting, surface mount ceramic fuse rated at a remarkable 600VDC at its small size and with 100A breaking capacity. It is primarily designed for circuit protection in high energy applications. This product is fully compatible with lead-free solder alloys and higher temperature profiles associated with lead-free assembly. Features Agency Approvals Agency Agency File Number Ampere Rating E10480 1A - 3.15A 29862 1A - 3.15A • Relatively high breaking capacity at 100A. • Fully compatible with lead-free solder alloys and higher temperature profiles associated with lead-free assembly. • Ampere Ratings: 1A 3.15A • RoHS-compliant and Halogen-free Applications Electrical Characteristics for Series % of Ampere Rating • Fast-Acting / Surface mount high fuse for high voltage (up to 600VDC) applications. Opening Time at 25ºC 100% 4 hours, Minimum 200% 60 seconds, Maximum • PC server and Telecom systems • LCD TV inverter boards DC input protection • Uninterruptible Power Supply (UPS) / 3-Phase Power Supplies • 380VDC server / lighting in data center Additional Information Datasheet Samples Resources Electrical Specifications by ltem Ampere Rating (A) Amp Code Max Voltage Rating (V) Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2sec) 1.00 001. 1.50 01.5 600 0.264 0.3044 X X 600 0.123 0.3917 X X 2.00 002. 600 2.50 02.5 600 0.0744 0.8962 X X 0.0583 1.4921 X 3.15 3.15 600 0.0395 X 3.304 X X Interrupting Rating 100A@600VDC, 100A@250VAC Agency Approvals Notes: 1. Cold resistance measured at less than 10% of rated current at 23°C. 2. Agency Approval Table Key: X=Approved or Certified, P=Pending and Blank=Not Approved. 3. I2t values stated for 8 msec opening time. © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD.10/14/20 Surface Mount Fuses Nano2® > 600VDC > Fast-Acting Fuse > 485 Series 100 2A 2.5A 3.15A 1A Average Time Current Curves 1.5A Temperature Re-rating Curve TIME IN SECONDS 10 1 0.1 Note: 1. Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation. 0.01 0.001 0.1 1 10 100 1000 CURRENT IN AMPERES Soldering Parameters - Reflow Soldering Pre Heat Pb – Free Assembly - Temperature Min (Ts(min)) 150°C - Temperature Max (Ts(max)) 200°C - Time (Min to Max) (ts) 60 – 180 ses Average Ramp-up Rate (Liquidus Temp (TL) to peak) 5°C/second max. TS(max) to TL - Ramp-up Rate Reflow 5°C/second max. - Temperature (TL) (Liquidus) 217°C - Temperature (tL) 60 – 150 seconds Peak Temperature (TP) 260+0/–5 °C 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 tP TP Critical Zone TL to TP Ramp-up TL TS(max) Temperature Reflow Condition tL Ramp-down TS(min) 25 Preheat tS time to peak temperature (t 25ºC to peak) Time © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD.10/14/20 Surface Mount Fuses Nano2® > 600VDC > Fast-Acting Fuse > 485 Series Product Characteristics Material Body: Ceramic Cap: Silver Plated Brass Product Marking Body: Brand Logo, Current Rating Operating Temperature -55˚C to 125˚C with proper derating MIL-STD-202, Method 107, Test Condition B, 5 cycles, -65˚C to 125˚C, 15 minutes @ each extreme Thermal Shock MIL-STD-202, Method 213, Test Condition I: Deenergized. 100G’s peak amplitude, sawtooth wave 6ms duration, 3 cycles XYZ+xyz = 18 shocks MIL-STD-202, Method 201: 0.03” amplitude, 10-55 Hz in 1 min. 2 hrs. each XYZ=6hrs Mechanical Shock Moisture Sensitivity Level Level 1 J-STD-020 Solderability MIL-STD-202, Method 208 Vibratio Insulation Resistance (after Opening) MIL-STD-202, Method 302, Test Condition A (10,000 ohms, Minimum) Moisture Resistance MIL-STD-202, Method 106, 10 cycles MIL-STD-202, Method 101, Test Condition B (48hrs) MIL-STD-202, Method 210, Test Condition B (10 sec at 260˚C) Salt Spray Resistance to Soldering Heat Dimensions Part Numbering System 12.1 (.475”) 4.5 (.177”) LF3.15A F 0485 3.15 D R Recommended Pad Layout 6.7 (.264”) 5.6 (.22”) 2.8 (.11”) TOP VIEW SERIES AMP Code* Refer to Electrical Characteristics Table 6.9 (.27”) WAVE SOLDER 3.5 (.14”) 4.5 (.177”) 5.6 (.22”) QUANTITY Code D = 1500 pieces PACKAGING Code 6.8 (.264”) R = Tape and Reel *Example Height END CAP 3.15 amp is 04853.15DR REFLOW SOLDER Packaging Packaging Option Packaging Specification Quantity Ouantity & Option Code 24mm Tape and Reel EIA-RS 481-1, (IEC 286, Part 3 1500 DR 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. © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD.10/14/20