Surface Mount Fuses NANO2® > 463 Series 463 Series RoHS Description The 463 series NANO²® fuse is a fast-acting, very high current fuse designed for high operating current applications. It offers superior thermal cycling endurance of 500 cycles with its low temperature rise and excellent temperature stability characteristics, it is ideal to be used in datacom and telecom equipment such as high end server, base station, power supplies, and blade computing applications. The 463 series offers high-amp circuit protection, ultra-high interrupting ratings (up to 500A@ 72VDC) and small size (10.1 mm x 3.12 mm x 3.12 mm) and surface-mount formfactor to help space saving. Agency Approvals Agency Features Agency File Number Ampere Range E10480 15A - 30A Electrical Characteristics for Series % of Ampere Rating Opening Time 100% 4 Hours, Min. 200% 60 Second, Max. • High melting i2t • Surface mount fuse in a small footprint • High current rating 15A-30A • Higher voltage rating up to 100VDC and 250VAC • Enhanced thermal cycling endurance • Operating temperature range from -55°C to 125°C Applications • High end servers / Blade computing • Base station power supply • Voltage regulator module • Cooling fan system for PC Server •Advance Telecommunication Computing Architecture (ATCA) applications for cloud computing • Battery Management System (Industrial Tools) Electrical Characteristic Specifications by Item Ampere Rating (A) Ampere Code Max Voltage Rating (V) 15 015. 250 20 020. 250 25 025. 250 30 030. 250 Interrupting Rating 100A@250VAC 300A@65VAC 500A @ 72VDC 50A@100VDC 1000A @ 32VDC 800A @ 57VDC 1400A @ 48VDC 2500A @ 12VDC 100A @ 250VAC 300A @ 65 VAC 500A @ 72VDC 50A@100VDC 1000A @ 32VDC 800A @ 57VDC 1400A @ 48VDC 2500A @ 12VDC 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 10 msec opening time. © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 04/02/15 Agency Approvals Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2 sec) 0.0047 142 x 0.0027 433 x 0.00215 668 x 0.00193 916 x Surface Mount Fuses NANO2® > 463 Series 1000 20 25 30 Average Time Current 15 Temperature Derating Curve TIME IN SECONDS 100 10 1 0.1 0.01 1 10 100 1000 CURRENT IN AMPERES 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 TL 5°C/second max. TS(max) to TL - Ramp-up Rate 5°C/second max. - Temperature (TL) (Liquidus) 217°C - Temperature (tL) 60 – 150 seconds 260 Time within 5°C of actual peak Temperature (tp) 20 – 40 seconds tL TSmax TSmin tS Ramp-down Preheat 25 Peak Temperature (TP) +0/–5 Critical Zone TL to TP Ramp-up Average Ramp-up Rate (Liquidus Temp (TL) to peak) Reflow tP TP Temperature Reflow Condition t 25ºC to Peak Time °C Ramp-down Rate 5°C/second max. Time 25°C to peak Temperature (TP) 8 minutes max. Do not exceed 260°C © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 04/02/15 Surface Mount Fuses NANO2® > 463 Series Product Characteristics Materials Body : Ceramic Cap : Silver Plated Brass Product Marking Body: Brand Logo, Current Rating Insulation Resistance (after Opening) MIL-STD-202, Method 302, Test Condition A (10,000 ohms, Minimum) Solderability MIL-STD-202, Method 208 Resistance to Soldering Heat MIL-STD-202, Method 210, Test Condition B (10 sec at 260°C) Min. copper layer thickness = 100µm Minimum copper trace width = 10mm PCB Recommendation for Thermal Management Alternate methods of thermal management may be used. In such cases, under normal operations, the maximum temperature of the fuse body should not exceed 80°C in a 25°C environment. Thermal Shock MIL-STD-202, Method 107, Test Condition B, 5 cycles, -65°C to 125°C, 15 minutes @ each extreme Mechanical Shock MIL-STD-202, Method 213B, Test Condition I: De-energized. 100G’s peak amplitude, sawtooth wave 6ms duration, 3 cycles XYZ+xyz = 18 Vibration MIL-STD-202, Method 201: 0.03” amplitude, 10-55 Hz in 1 min. 2 hrs. each XYZ = 6hrs (10- 55 Hz) Moisture Resistance MIL-STD-202F, Method 106, 10 cycles Salt Spray MIL-STD-202, Method 101, Test Condition B (48hrs) Thermal Cycling 500 cycles: 15 minutes at –30°C (+0/5°C), 5°C / minute ramp rate up to 80°C, 15 minutes at 80°C (+3/-0°C), 5°C / minute ramp rate back down to –30°C. 463 Series Operating Temperature –55ºC to 125ºC with proper derating Dimensions Part Numbering System 30A 0463 030. E R 3.12mm (.123") 10.10mm (.397") F 3.12mm (.123") 1.70mm (.067") Amp Code* Refer to Amp Code column of Electrical Characteristics Table Recommended Pad Layout 3.25mm (.128") 6.1mm (.24") Series Quantity Code 3.43mm (.135") E = 2,500 pieces Packaging Code R = Tape and Reel 12.60mm (.496") *Example: 30 Amp is 0463030.ER Packaging Packaging Option Packaging Specification Quantity Quantity & Packaging Code EIA-RS-481-2 2500 ER 463 Series 24mm Tape and Reel © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 04/02/15