0458003.DR Littelfuse

Surface Mount Fuses 2 NANO > 458 Series 1206 Size Inrush Withstand Fuse RoHS 458 Series Fuse Description 2 The 458 Series Nano 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 Surface Mount Fuse Available in ratings of 1 to 10 Amperes Fully compatible with lead free soldering Recognized to UL/CSA/ profiles NMX 248-1 and UL/CSA/ NMX 248-14 RoHS Compliant and Halogen-Free Agency Approvals Applications Notebook PC Car Navigation System Agency Agency File Number Ampere Range LCD backlight inverter Network Equipment E10480 1A10A LCD Panel Telecom Equipment DC/DC converter Electronic Signage Battery Pack Portable Consumer Electronics Additional Information Electrical Characteristics for Series % of Ampere Rating Opening Time 100% 4 hours, Minimum 250% 5 seconds, Maximum Datasheet Resources Samples Electrical Specifications by Item Agency Approvals Max Ampere Rating Interrupting Nominal Cold Nominal Melting Amp Code Marking Voltage 2 2 (A) Rating Resistance (Ohms) I t (A sec) Rating (V) 1.0 001. 1 0.180 .168 x 1.25 1.25 1.25 0.125 .313 x 1.5 01.5 1.5 0.099 .548 x 1.6 01.6 1.6 0.092 .562 x 50A 75VDC 2 002. 2 0.0695 .952 x 50A 48VAC 2.5 02.5 2.5 0.06 1.408 x 75V 3 003. 3 0.049 2.289 x 3.15 3.15 3.15 0.045 2.457 x 3.5 03.5 3.5 0.0375 4.00 x 4 004. 4 0.032 4.832 x 50A 75VDC 5 005. 5 0.027 7.938 x 50A 32VAC 6.3 06.3 6.3 0.0192 14.37 x 7 007. 7 0.0175 20.48 x 50A 63VDC 8 008. 8 63V 0.0058 13.448 x 50A 32VAC 10.0 010. 10 0.00465 15.0 x Notes: 2 1. l t values stated for 8 msec opening time 2. Cold resistance measured at less than 10% of rated current at 25C. 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: 03/03/20Surface Mount Fuses 2 NANO > 458 Series 1206 Size Inrush Withstand Fuse Temperature Re-rating Curve Average Time Current Curves 140 100 120 100 80 60 10 40 20 -60 C -40 C -20 C 0 C 20 C 40 C 60 C 80 C 100 C 120 C -76 F -40 F -4 F -32 F 68 F 104 F 140 F 176 F 212 F 248 F 1 Ambient Temperature Note: 1. Rerating depicted in this curve is in addition to the standard rerating of 25% for continuous operation. 0.1 0.01 0.001 0.1 110 100 1000 CURRENT IN AMPS Soldering Parameters Reflow Condition Pb Free assembly t P - Temperature Min (T ) 150C T s(min) P Critical Zone Ramp-up TL to TP Pre Heat - Temperature Max (T ) 200C s(max) - Time (Min to Max) (t ) 60 180 secs T L s t L T Average ramp up rate (Liquidus Temp (T ) to peak 5C/second max S(max) L T to T - Ramp-up Rate 5C/second max S(max) L Ramp-down Preheat - Temperature (T ) (Liquidus) 217C L T Reflow S(min) - Temperature (t ) 60 150 seconds t L S +0/-5 Peak Temperature (T ) 260 C P 25 Time within 5C of actual peak Temperature (t ) 20 40 seconds p time to peak temperature Time Ramp-down Rate 5C/second max (t 25C to peak) Time 25C to peak Temperature (T ) 8 minutes Max. P Do not exceed 260C 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/03/20 Percent of Rating TIME IN SECONDS 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