045806.3 - 458 Series

Series: 458
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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. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

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.


  • Surface Mount Fuse
  • Fully compatible with lead free soldering profiles
  • RoHS Compliant
  • Halogen Free
  • Available in ratings of 1to 10 Amperes


  • Notebook PC
  • LCD backlight inverter
  • LCD Panel
  • DC/DC converter
  • Battery Pack
  • Car Navigation System
  • Network Equipment
  • Telecom Equipment
  • Electronic Signage
  • Portable Consumer Electronics
Property (Mouseover for details) Value
Body Ceramic
Nominal Melting I2T (A2sec) 14.37
Moisture Sensitivity Level Level 1
Nominal Cold Resistance (Ohms) 0.0192
Opening Very Fast-Acting (FF)
VAC (V) 32
VDC (V) 75
Partner ECAD Models 045806.3
Operating Temperature -55° to 125°C

cURicon cUR_JDYX8_E10480_101212362

URicon UR_JDYX2_E10480_101212362

pdficon Fuse 458 Nano2 Datasheet

The 458 Series Nano2® Fuse is an ultra-small, square surface mount fuse designed to support a variety of space constrained overcurrent protection applications...

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Littelfuse Fuseology Selection Guide

pdficon Circuit Protection Technology Application Matrix

Littelfuse is the world leader in the design and manufacturing of fuses for the automotive industrial handheld computer and telecom markets...

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Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
045806.3DR FUSE Nano 1206 size High i2t 6.3A RoHS No 04/01/2008 PbFree No CoC_RoHS9_045806.3DR REACH205_Declaration_Contain-_045806.3DR Yes
Contains IPC_045806.3DR
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