0451.630MRL

Surface Mount Fuses NANO2® > Very Fast-Acting Fuse > 451/453 Series 451/453 Series Fuse RoHS PS E Description The Nano2® SMF Fuse is a very small, Wire-in-Air (WIA) square shape surface mount fuse that was designed for secondary side circuit over-current protection applications. These fuses are designed for PCB using surface mount technology. Features • Very fast-acting • Small size • Wide range of current rating available (0.062A to 20A) Agency Approvals Agency Agency File Number E10480 6.3A - 20A 29862 0.062A - 15A NBK030205-E10480A NBK030205-E10480B NBK101105-E184655 1A, 1.25A, 2A, 2.5A, 3.15A, 4A, 5A, 7A, 8A, 10A, 12A, 20A 1A-1.6A 2A-5A 6.3A - 10A E10480 0.062A - 5A NA 1A, 1.25A, 2A, 2.5A, 3.15A, 4A, 5A, 7A, 8A, 10A, 12A, 20A J50446731 PS E Ampere Range Electrical Characteristics for Series % of Ampere Rating Ampere Rating Opening Time 100% 0.062 – 20 4 hours, Minimum 200% 0.062 – 10 5 sec., Maximum 12 – 20 20 sec., Maximum • Wide operating temperature range • RoHS compliant and Halogen Free • UL Listed and Recognized to UL/CSA/ NMX UL 248-1 and UL/ CSA/NMX UL 248-14 (see Agency Approvals) • Conforms to DENAN’s Appendix 3 • Conforms to EN 60127-1 and EN 60127-7 Applications • Notebook PC • Storage system • LCD/PDP TV • Telecom system • LCD monitor • Wireless basestation • LCD/PDP panel • White goods • LCD backlight inverter • Game console • Portable DVD player • Office Automation equipment • Power supply • Networking • PC server • Cooling fan system • Battery charging circuit protection • Industrial equipment Additional Information Datasheet 451 Series Resources 451 Series Samples 451 Series Datasheet 453 Series Resources 453 Series Samples 453 Series © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD. 11/05/20 Surface Mount Fuses NANO2® > Very Fast-Acting Fuse > 451/453 Series Electrical Specifications by Item Ampere Rating (A) Amp Code Max Voltage Rating (V) .062 .062 125 5.5000 0.00019 - x - x - - .080 .080 125 4.0500 0.00033 - x - x - - .100 .100 125 3.1000 0.00138 - x - x - - .125 .125 125 1.7000 0.00286 - x - x - - .160 .160 125 1.2157 0.0048 - x - x - - .200 .200 125 0.8372 0.0089 - x - x - - .250 .250 125 0.5765 0.0158 - x - x - - .315 .315 125 0.3918 0.0311 - x - x - - .375 .375 125 0.4541 0.0442 - x - x - - .400 .400 125 0.4233 0.0551 - x - x - - .500 .500 125 0.3046 0.0824 - x - x - - .630 .630 125 0.2022 0.1381 - x - x - - .750 .750 125 0.1444 0.2143 - x - x - - .800 .800 125 0.1355 0.2654 - x - x - - 1.00 001. 125 0.0780 0.6029 - x x x x x 1.25 1.25 125 0.0780 0.664 - x x 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 x x 0.0286 1.029 - x x x x x 0.0227 1.650 - x x x - - 0.0215 1.920 - x x x x x 0.0200 2.469 - x x x - - 0.0160 3.152 - x x x x x x 2.50 02.5 125 3.00 003. 125 3.15 3.15 125 3.50 03.5 125 4.00 004. 125 5.00 005. 125 6.30 06.3 125 7.00 007. 125 8.00 008. 125 10.0 010. 125 12.0 012. 65 15.0 015. 65 20.0 020. 65 Interrupting Rating 50A @125VAC/VDC 300A @32VDC PSE: 100A @100VAC 50A @125VAC/VDC 10,000A @75VDC 300A @32VDC PSE: 100A @100VAC 50A @125VAC/VDC 400A @32VDC PSE: 100A @100VAC 35A @125 VAC/ 50A @125 VDC 400A @32 VDC PSE: 100A @100VAC 150A @65VDC 100A @65VAC 400A @32VDC Nominal Cold Resistance (Ohms) Agency Approvals Nominal Melting I2t (A2sec) PS E 0.0125 5.566 - x x x x 0.0096 9.170 x x x - - - 0.0090 10.32 x x x - x x 0.0077 20.23 x x x - x x 0.0056 26.46 x x x - x x 0.0049 47.97 x x - - x x 0.0037 97.82 x x - - - - 0.00244 154 x - - - x x Notes: - l2t calculated at 8ms. - Resistance is measured at 10% of rated current, 25ºC © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD. 11/05/20 Surface Mount Fuses NANO2® > Very Fast-Acting Fuse > 451/453 Series Temperature Re-rating Curve Average Time Current Curves 62mA 80mA 100mA 125mA 160mA 200mA 250mA 315mA 375mA 400mA 500mA 630mA 750mA 800mA 1A 1.25A 1.5A 1.6A 2A 2.5A 3A 3.15A 3.5A 4A 5A 6.3A 7A 8A 10A 12A 15A 20A Fast Acting Series TC Curve 100 10 TIME IN SECONDS 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 0.01 0.1 1 10 100 1000 10000 CURRENT IN AMPS Soldering Parameters Pb – Free assembly Pre Heat - Temperature Min (Ts(min)) 150°C - Temperature Max (Ts(max)) 200°C - Time (Min to Max) (ts) 60 – 180 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 – 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 Wave Soldering Parameters 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 260°C Peak Temperature, 10 seconds max. © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD. 11/05/20 Surface Mount Fuses NANO2® > Very Fast-Acting Fuse > 451/453 Series Product Characteristics Body: Ceramic Terminations: Gold-Plated Caps / Sn-dipped Silver Plated Caps (451 RoHS/HF series) Silver-plated Caps (451MR RoHS ratings below 375mA and 453 RoHS Series) Materials Product Marking Brand, Ampere Rating Operating Temperature –55°C to 125°C Moisture Sensitivity Level Level 1, J-STD-020 Solderability Insulation Resistance (after Opening) MIL-STD-202, Method 208 MIL-STD-202, Method 302, Test Condition A (10,000 ohms minimum) Thermal Shock Mechanical Shock Vibration Moisture Resistance Salt Spray Resistance to Soldering Heat Dimensions MIL-STD-202, Method 107, Test Condition B, 5 cycles, -65°C / +125°C, 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 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) Part Numbering System 6.10 ± .20 (.240") F 7A 0451 2.69 ± .25 (.106") 2.69 ± .25 (.106") 1.45 (.057") R L Series 451 = Gold / Sn-dipped Silver Plated Caps 453 = Silver Plated Caps Amp Code Refer to Electrical characteristics table 6.86 (.270") 1.96 (.077") 001. M 3.15 (.124") Quantity code M = 1000 pcs N = 5000 pcs 2.95 (.116") Packaging code R = Tape and Reel L-RoHS Compliant & Halogen Free (Gold Plated Caps) Recommended pad layout SN-RoHS Compliant & Halogen Free (Sn-dipped Caps) NOTE: “L” suffix applies to 451 series only - 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 12mm Tape and Reel EIA RS-481-2 (IEC 286, part 3) 5000 Quantity & Packaging Code NR 12mm Tape and Reel EIA RS-481-2 (IEC 286, part 3) 1000 MR Disclaimer Notice - Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. 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. 11/05/20