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 • RoHS Compliant and Halogen-Free • Available in ratings of 1 to 10 Amperes • Surface Mount Fuse • Fully compatible with lead free soldering profiles Agency Approvals AGENCY Applications AGENCY FILE NUMBER AMPERE RANGE E10480 1A–10A • Car Navigation System • Network Equipment • Telecom Equipment • Electronic Signage • Portable Consumer Electronics • Notebook PC • LCD backlight inverter • LCD Panel • DC/DC converter • Battery Pack Electrical Characteristics for Series Additional Information % of Ampere Rating Opening Time 100% 4 hours, Minimum 250% 5 seconds, Maximum Datasheet Resources Samples Electrical Specifications by Item Ampere Rating (A) Amp Code Marking Max Voltage Rating (V) Interrupting Rating Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2sec) Agency Approvals 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 0.0695 .952 x 0.06 1.408 x 50A @ 75VDC 50A @ 48VAC 2 002. 2 2.5 02.5 2.5 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 5 005. 5 0.027 7.938 x 6.3 06.3 6.3 0.0192 14.37 x 7 007. 7 8 008. 8 10.0 010. 10 75V 50A @ 75VDC 50A @ 32VAC 63V 50A @ 63VDC 50A @ 32VAC 0.0175 20.48 x 0.0058 13.448 x 0.00465 15.0 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. © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Application testing is Specifications are subject tostrongly change recommended. without notice. Revised: 04/30/15 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 100 TIME IN SECONDS 10 Note: 1. Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation. 1 0.1 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 °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 © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 04/30/15 Critical Zone TL to TP Ramp-up TL TS(max) tL Ramp-down TS(min) 25 Peak Temperature (TP) +0/-5 tP TP Temperature Reflow Condition Preheat tS time to peak temperature (t 25ºC to peak) Time Surface Mount Fuses NANO2® > 458 Series 1206 Size Inrush Withstand Fuse Product Characteristics Materials Body: Ceramic Cap: Gold Plated Brass Operating Temperature –55OC to 125OC with proper derating Product Marking Body: Current Rating (Refer to Electrical Characteristic table) Thermal Shock MIL-STD-202, Method 107, Test Condition B (5 cycles -65oC to +125oC) Vibration MIL-STD-202, Method 201 (10-55 Hz) Moisture Resistance MIL-STD-202, Method 106, High Humidity (90-98%RH), Heat (65oC) MIL-STD-202, Method 101, Test Condition B Insulation Resistance MIL-STD-202, Method 302, Test Condition A (10,000 ohms, (after Opening) Minimum) Solderability MIL-STD-202, Method 208 Resistance to Soldering Heat MIL-STD-202, Method 210, Test Condition B (10 sec at 260oC) Salt Spray Level 1 J-STD-020 Shock Moisture Sensitivity Level Dimensions MIL-STD-202, Method 213, Test Condition I (100 G’s peak for 6 milliseconds) Part Numbering System 3.175 (.125”) 0458 001. D R 1.575 (.062”) SERIES 1.575 (.062”) AMP Code Refer to Electrical characteristics table 0.813 (.032”) QUANTITY Code 3.65 (.143”) D: 1500 pcs 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 Quantity & Packaging Code 8mm Tape and Reel EIA-RS 481-1 1500 DR © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 04/30/15