Surface Mount Fuses NANO2® > Very Fast-Acting > 448 Series 448 Series Fuse PS E Description The lead-free Nano2 SMF Fuse is a very small, square surface mount fuse that is RoHS compliant, Halogen Free and 100% lead-free. This product is fully compatible with lead-free solder alloys and higher temperature profiles associated with lead-free assembly. Features Agency Approvals Agency PS E • Wide operating temperature range • Very fast acting • Low temperature de-rating • Small size Agency File Number Ampere Range E10480 62mA - 15A LR29862 62mA - 15A NBK030205 1A - 10A Electrical Characteristics for Series % of Ampere Rating Ampere Rating Opening Time 100% 1/16 –15 4 hours, Minimum 1/16 –10 5 sec., Maximum 12 –15 20 sec., Maximum 200% • Lead-free and Halogen Free • Wide range of current rating available (62mA to 15A) Applications • Notebook PC • Telecom system • LCD/PDP TV • Wireless basestation • LCD monitor • White goods • LCD/PDP panel • Game console • LCD backlight inverter • Office Automation equipment • Portable DVD player • Power supply •Networking • PC server • Cooling fan system • Storage system © 2013 Littelfuse, Inc. Specifications are subject to change without notice. Revised: May 2, 2013 12:03 PM • Battery charging circuit protection • Industrial equipment • Medical equipment • Automotive Surface Mount Fuses NANO2® > Very Fast-Acting > 448 Series Electrical Specifications by Item Ampere Rating (A) Amp Code 0.062 .062 Max Voltage Rating (V) 125 0.080 .080 125 0.100 .100 0.125 Agency Approvals Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2sec) 5.50 0.00023 x x 4.42 0.00043 x x 125 2.90 0.00082 x x .125 125 2.58 0.00130 x x Interrupting Rating PS E 0.160 .160 125 1.76 0.00280 x x 0.200 .200 125 1.40 0.00380 x x 0.250 .250 125 1.05 0.01520 x x 0.315 .315 125 0.7900 0.02650 x x 0.375 .375 125 0.7300 0.02400 x x 0.400 .400 125 0.4895 0.04160 x x 0.500 .500 125 0.3800 0.10000 x x 0.630 .630 125 0.2821 0.121 x x 0.750 .750 125 0.2475 0.206 x x 0.800 .800 125 0.1907 0.272 x x 1.00 001. 125 0.08630 0.441 x x 1.25 1.25 125 0.06619 0.900 x x x 1.50 01.5 125 0.06514 0.900 x x x 50 amperes @125 VAC/VDC 300 amperes @32 VDC PSE: 100 amperes @100VAC x 1.60 01.6 125 0.06261 1.122 x x x 2.00 002. 125 0.03529 0.812 x x x 2.50 02.5 125 0.02934 1.156 x x x 3.00 003. 125 0.02445 1.720 x x x 3.15 3.15 125 0.02300 1.810 x x x 3.50 03.5 125 0.02100 2.300 x x x 4.00 004. 125 0.01577 3.970 x x x 5.00 005. 125 0.01531 4.490 x x x 6.30 06.3 125 0.01044 12.10 x x x 7.00 007. 125 0.00900 13.92 x x x 8.00 008. 125 0.00780 18.33 x x x 0.00700 28.00 x x x 0.00533 47.59 x x 0.00394 96.10 x x 35 amperes @125 VAC 10.00 010. 125 50 amperes @125 VDC 300 amperes @32 VDC PSE: 100 amperes @100VAC 12.00 012. 85 15.00 015. 85 50 amperes @65 VAC/VDC 300 amperes @24 VDC 200 amperes @85 VDC Notes: - l2t calculated at 8ms. - Resistance is measured at 10% of rated current, 25ºC © 2013 Littelfuse, Inc. Specifications are subject to change without notice. Revised: May 2, 2013 12:03 PM Surface Mount Fuses NANO2® > Very Fast-Acting > 448 Series 448 SERIES NANO LEAD FREE VERY FAST ACTING FUSE Average Time Current Curves .062 A .080 A .100 A .125 A .160 A .200 A .250 A .315 A .375 A .40 A .50 A .63 A .75 A .80 A 1.00 A 1.25 A 1.50 A 1.60 A 2.00 A 2.50 A 3.00 A 3.15 A 3.50 A 4.00 A 5.00 A 6.30 A 7A 8A 10 A 12 A 15 A Temperature Rerating Curve 100 TIME IN SECONDS 10 1 0.1 Note: 1. Derating 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 AMPS 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 – 120 secs 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 – 90 seconds 260 Time within 5°C of actual peak Temperature (tp) 20 – 40 seconds °C Ramp-down Rate 5°C/second max. Time 25°C to peak Temperature (TP) 8 minutes max. Do not exceed 260°C Wave Soldering Parameters 260°C Peak Temperature, 10 seconds max. © 2013 Littelfuse, Inc. Specifications are subject to change without notice. Revised: May 2, 2013 12:03 PM Critical Zone TL to TP Ramp-up TL TS(max) tL Ramp-down TS(min) Preheat tS 25 Peak Temperature (TP) +0/–5 tP TP Temperature Reflow Condition time to peak temperature (t 25ºC to peak) Time Surface Mount Fuses NANO2® > Very Fast-Acting > 448 Series Product Characteristics Materials Body: Ceramic Terminations: Gold-plated Caps Product Marking Brand, Amperage Rating Operating Temperature Moisture Sensitivity Level Thermal Shock Mechanical Shock -55oC to 125oC Level 1, J-STD-020C Vibration Solderability MIL-STD-202, Method 208 Insulation Resistance (after Opening) MIL-STD-202, Method 302, Test Condition A (10,000 ohms minimum) Moisture Resistance Salt Spray Resistance to Soldering Heat Dimensions MIL-STD-202, Method 101, Test Condition B (48hrs) MIL-STD-202, Method 210, Test condition B (10 sec at 260oC) F 2.69 ± .25 (.106") 0448 001. M R 2.69 ± .25 (.106") SERIES Amp Code* Refer to Electrical Characteristics table 1.45 (.057") Quantity code 6.86 (.270") M = 1000 pcs packaging code 3.15 (.124") 1.96 (.077") MIL-STD-202, Method 106, 10 cycles Part Numbering System 6.10 ± .20 (.240") 7A MIL-STD-202, Method 107, Test Condition B, 5 cycles, -65oC to 125oC, 15 minutes @ each extreme MIL-STD-202, Method 213, Test I: Deenergized. 100G’s pk 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. 2hrs each XYZ=6hrs R = Tape and Reel *Example: 1.5 amp product is 044801.5MR (1 amp product shown above). 2.95 (.116") Recommended pad layout Packaging Packaging Option Packaging Specification Quantity Quantity & Packaging Code 12mm Tape and Reel EIA RS-481-1 (IEC 286, part 3) 1000 MR © 2013 Littelfuse, Inc. Specifications are subject to change without notice. Revised: May 2, 2013 12:03 PM