04581.25DR

Surface Mount Fuses NANO2® > 458 Series 1206 Size Inrush Withstand Fuse 458 Series Fuse RoHS Description The 458 Series Nano2® Fuse is an ultra-small, square surface mount fuse designed to support a variety of space constrained overcurrent protection applications. Offering a 1206 size footprint, it is the smallest wire-in-air type surface mount fuse offered by Littelfuse. Features • Available in ratings of 1 to 10 Amperes • Recognized to UL/CSA/ NMX 248-1 and UL/CSA/ NMX 248-14 • Surface Mount Fuse • Fully compatible with lead free soldering profiles • RoHS Compliant and Halogen-Free Agency Approvals Agency Applications Agency File Number Ampere Range E10480 1A–10A Opening Time 100% 4 hours, Minimum 250% 5 seconds, Maximum • Car Navigation System • Network Equipment • Telecom Equipment • Electronic Signage • Portable Consumer Electronics Additional Information Electrical Characteristics for Series % of Ampere Rating • Notebook PC • LCD backlight inverter • LCD Panel • DC/DC converter • Battery Pack Datasheet Resources Samples Electrical Specifications by Item Ampere Rating (A) Amp Code Marking 1.0 1.25 1.5 1.6 2 2.5 3 3.15 3.5 4 5 6.3 7 8 10.0 001. 1.25 01.5 01.6 002. 02.5 003. 3.15 03.5 004. 005. 06.3 007. 008. 010. 1 1.25 1.5 1.6 2 2.5 3 3.15 3.5 4 5 6.3 7 8 10 Max Voltage Rating (V) Interrupting Rating 50A @ 75VDC 50A @ 48VAC 75V 50A @ 75VDC 50A @ 32VAC 63V 50A @ 63VDC 50A @ 32VAC Nominal Cold Nominal Melting Resistance (Ohms) I2t (A2sec) 0.180 0.125 0.099 0.092 0.0695 0.06 0.049 0.045 0.0375 0.032 0.027 0.0192 0.0175 0.0058 0.00465 .168 .313 .548 .562 .952 1.408 2.289 2.457 4.00 4.832 7.938 14.37 20.48 13.448 15.0 Agency Approvals x x x x x x x x x x x x x x x Notes: 1. l2t values stated for 8 msec opening time 2. Cold resistance measured at less than 10% of rated current at 25°C. 3. Agency Approval Table Key: X=Approved or Certified, P=Pending and Blank=Not Approved 4. Have special electrical characteristic needs? Contact Littelfuse to learn more about application specific options. © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/03/20 Surface Mount Fuses NANO2® > 458 Series 1206 Size Inrush Withstand Fuse Average Time Current Curves 1.00A 1.25A 1.50A 1.60A 2.00A 2.50A 3.00A 3.15A 3.50A 4.00A 5.00A 6.30A 7.00A 8.00A 10.00A Temperature Re-rating Curve 140 100 Percent of Rating 120 100 80 60 10 20 -60C -76F -40C -40F -20C -4!F 0C -32F 20C 68F 40C 104F 60C 140F 80C 176F 100C 212F '120C 248F Ambient Temperature Note: 1. Rerating depicted in this curve is in addition to the standard rerating of 25% for continuous operation. TIME IN SECONDS 40 1 0.1 0.01 0.001 0.1 1 10 100 1000 CURRENT IN AMPS Soldering Parameters Pre Heat 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 TS(max) to TL - Ramp-up Rate Reflow Pb – Free assembly - Temperature Min (Ts(min)) 5°C/second max 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: 03/03/20 Surface Mount Fuses NANO2® > 458 Series 1206 Size Inrush Withstand Fuse Product Characteristics Operating Temperature Materials Body: Ceramic Cap: Gold Plated Brass Product Marking Body: Current Rating (Refer to Electrical Characteristic table) Insulation Resistance (after Opening) Solderability Resistance to Soldering Heat Moisture Sensitivity Level MIL-STD-202, Method 302, Test Condition A (10,000 ohms, Minimum) MIL-STD-202, Method 208 MIL-STD-202, Method 210, Test Condition B (10 sec at 260oC) Thermal Shock Vibration Moisture Resistance Salt Spray Shock –55OC to 125OC with proper derating MIL-STD-202, Method 107, Test Condition B (5 cycles -65oC to +125oC) MIL-STD-202, Method 201(10-55 Hz) MIL-STD-202, Method 106, High Humidity (9098%RH), Heat (65oC) MIL-STD-202, Method 101, Test Condition B MIL-STD-202, Method 213, Test Condition I (100 G’s peak for 6 milliseconds) Level 1 J-STD-020 Dimensions Part Numbering System 3.175 (.125”) 0458 1.575 (.062”) 1.575 (.062”) 001. D R Series AMP Code Refer to Electrical characteristics table 0.813 (.032”) Quantity Code D: 1500 pcs 3.65 (.143”) Packaging Code R: Tape and Reel 2.05 (.081”) 1.185 (.047”) Example: 1.5 amp product is 0458 D R (1 amp product shown above). 1.28 (.050”) Recommended Pad Layout Packaging Packaging Option Packaging Specification Quantity 8mm Tape and Reel EIA-RS 481-1 1500 Quantity & Packaging Code DR 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: 03/03/20