Surface Mount Fuses NANO2® > Very Fast-Acting > 451/453 Series 451/453 Series Fuse PS E Description Features • Very fast acting • Small size • Wide range of current rating available (62mA to 15A) Agency Approvals AGENCY AGENCY FILE NUMBER AMPERE RANGE E10480 6.3A - 15A LR29862 62mA - 15A NBK030205-E10480B NBK101105-E184655 1A - 5A 6.3A - 10A E10480 62mA - 5A PS E • 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 Ampere Rating Opening Time 100% 1/16 –15 4 hours, Minimum • Networking 1/16 –10 5 sec., Maximum • PC server 12 –15 20 sec., Maximum • Cooling fan system • Power supply • Storage system Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/451.html or /453.html for current information. • Halogen Free Applications % of Ampere Rating © 2009 Littelfuse, Inc. • RoHS compliant • Wide operating temperature range Electrical Characteristics for Series 200% • Low temperature de-rating 57 Revised: January 10, 2012 • Battery charging circuit protection • Industrial equipment • Medical equipment • Automotive 451/453 Series 451/453 Series The Nano2 SMF Fuse is a very small, Wire-in-Air (WIA) square shape surface mount fuse which is very suitable for the secondary side circuit over-current protection applications and is designed for PCB using surface mount technology. Mount Fuses IntroductionSurface to Circuit Protection Transientology NANO2® > Very Fast-Acting > 451/453 Series Electrical Specifications by Item Ampere Rating (A) Amp Code Max Voltage Rating (V) 0.062 .062 0.080 .080 0.100 Agency Approvals Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2sec) 125 5.5000 0.00019 x x 125 4.0500 0.00033 x x .100 125 3.1000 0.00138 x x 0.125 .125 125 1.7000 0.00286 x x 0.160 .160 125 1.2157 0.0048 x x 0.200 .200 125 0.8372 0.0089 x x 0.250 .250 125 0.5765 0.0158 x x 0.315 .315 125 0.3918 0.0311 x x 0.375 .375 125 0.6100 0.0425 x x 0.400 .400 125 0.5600 0.0484 x x 0.500 .500 125 0.4200 0.0795 x x 0.630 .630 125 0.143 x x 0.750 .750 125 50 amperes @125VAC/VDC 0.3050 0.2450 0.185 x x 0.800 .800 125 300 amperes @32VDC 0.2120 0.271 x 1.00 001. 125 0.1530 0.459 x x x 1.25 1.25 125 PSE: 100 amperes @100VAC 0.0780 0.664 x x x 1.50 01.5 125 0.0630 0.853 x x x 1.60 01.6 125 0.0580 1.060 x x x 2.00 002. 125 0.0367 0.530 x x x 2.50 02.5 125 0.0286 1.029 x x x 3.00 003. 125 0.0227 1.650 x x x 3.15 3.15 125 0.0215 1.920 x x x 3.50 03.5 125 0.0200 2.469 x x x 4.00 004. 125 0.0160 3.152 x x x 5.00 005. 125 0.0125 5.566 x x x 6.30 06.3 125 0.0096 9.170 x x x 7.00 007. 125 0.0090 10.32 x x x 8.00 008. 125 0.0077 20.23 x x x 0.0056 26.46 x x x Interrupting Rating PS E x 35 amperes @125 VAC/ 50 amperes @125 VDC 10.0 010. 125 300 amperes @32 VDC PSE: 100 amperes @100VAC 12.0 15.0 012. 015. 65 50 amperes @65 VAC/VDC 0.0049 47.97 x x 65 300 amperes @24 VDC 0.0037 97.82 x x Notes: - l2t calculated at 8ms. - Resistance is measured at 10% of rated current, 25ºC 451/453 Series 58 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/451.html or /453.html for current information. Surface Mount Fuses NANO2® > Very Fast-Acting > 451/453 Series Average Time Current Curves .062A .125A .160A .200A .250A .315A .375A .500A .750A 1A 1.5A 2A 2.5A 3A 3.5A 4A 5A 7A 8A 10A 12A 15A Temperature Rerating Curve 100 1 451/453 Series TIME IN SECONDS 10 0.1 0.01 Note: 1.Derating depicted in this curve is in addition to the standard derating of 25% for continuous operation. 0.001 0.05 0.1 1 10 100 CURRENT IN AMPERES 1000 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 250 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 Wave Soldering Parameters 260°C Peak Temperature, 10 seconds max. © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/451.html or /453.html for current information. 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 °C 59 451/453 Series Mount Fuses IntroductionSurface to Circuit Protection Transientology NANO2® > Very Fast-Acting > 451/453 Series Product Characteristics Body: Ceramic Terminations: Gold-Plated Caps (for 451 RoHS/HF series) SnPb Plated Caps (for 451 Non-RoHS series) Silver-plated Caps (for 451 RoHS below 160mA Rating & 453 Series) Materials Product Marking Operating Temperature Moisture Sensitivity Level Brand, Ampere Rating -55°C to 125°C Thermal Shock MIL-STD-202, Method 107, Test Condition B, 5 cycles, -65°C / +125°C, 15 minutes @ each extreme Mechanical Shock MIL-STD-202, Method 213, Test I: Deenergized. 100G’s pk amplitude, sawtooth wave 6ms duration, 3 cycles XYZ+xyz = 18 shocks Vibration MIL-STD-202, Method 201: 0.03” amplitude, 10-55 Hz in 1 min. 2hrs each XYZ=6hrs Moisture Resistance MIL-STD-202, Method 106, 10 cycles Salt Spray MIL-STD-202, Method 101, Test Condition B (48hrs) Resistance to Soldering Heat MIL-STD-202, Method 210, Test condition B (10 sec at 260°C) Level 1, J-STD-020C Solderability MIL-STD-202, Method 208 Insulation Resistance (after Opening) MIL-STD-202, Method 302, Test Condition A (10,000 ohms minimum) Dimensions 6.10 ± .20 (.240") F 7A Part Numbering System 2.69 ± .25 (.106") 0451 001. M R L 2.69 ± .25 (.106") SERIES 451 = Gold / SnPb / Silver Plated Caps 453 = Silver Plated Caps 1.45 (.057") AMP Code Refer to Electrical characteristics table 6.86 (.270") QUANTITY Code 3.15 (.124") M = 1000 pcs N = 5000 pcs 2.95 1.96 (.116") (.077") PACKAGING Code R = Tape and Reel RoHS Compliant & Halogen Free Recommended pad layout NOTE: “L” suffix applies to 451 series only - 451 series may be ordered as either “RoHS and HF” (“L” suffix) or non-RoHS (no suffix) version. - 453 series is available only as RoHS compliant version and does not require “L” suffix. Please do not include “L” suffix within 453 series ordering instructions. Packaging Packaging Option Packaging Specification Quantity Quantity & Packaging Code 12mm Tape and Reel EIA RS-481-2 (IEC 286, part 3) 5000 NR 12mm Tape and Reel EIA RS-481-2 (IEC 286, part 3) 1000 MR 451/453 Series 60 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/451.html or /453.html for current information.