458 Series - 1206 size Nano Fast-Acting Fuse

Roll Over to Zoom
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

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)VDC (V)VAC (V)Nominal Melting I2T (A2sec)Resistance
Interrupting RatingBodyMin Operating Temp (°C)Max Operating Temp (°C)Marking CodeMSLOpeningSizeStockSamplesCompare
0458001175480.1680.1850A@75VDC 50A@48VACCeramic-5512511Very Fast-Acting (FF)3.175 x 1.575mmCheckOrder
0458002275480.9520.069550A@75VDC 50A@48VACCeramic-5512521Very Fast-Acting (FF)3.175 x 1.575mmCheckOrder
0458003375482.2890.04950A@75VDC 50A@48VACCeramic-5512531Very Fast-Acting (FF)3.175 x 1.575mmCheckOrder
0458004475324.8320.03250A@75VDC 50A@32VACCeramic-5512541Very Fast-Acting (FF)3.175 x 1.575mmCheckOrder
0458005575327.9380.02750A@75VDC 50A@32VACCeramic-5512551Very Fast-Acting (FF)3.175 x 1.575mmCheckOrder
04580077633220.480.017550A@63VDC 50A@32VACCeramic-5512571Very Fast-Acting (FF)3.175 x 1.575mmCheckOrder
04580088633213.448.005850A@63VDC 50A@32VACCeramic-5512581Very Fast-Acting (FF)3.175 x 1.575mmCheckOrder
045801.51.575480.5480.09950A@75VDC 50A@48VACCeramic-551251.51Very Fast-Acting (FF)3.175 x 1.575mmCheckOrder
045801.61.675480.5620.09250A@75VDC 50A@48VACCeramic-551251.61Very Fast-Acting (FF)3.175 x 1.575mmCheckOrder
0458010106332150.0046550A@63VDC 50A@32VACCeramic-55125101Very Fast-Acting (FF)3.175 x 1.575mmCheckOrder
045802.52.575481.4080.0650A@75VDC 50A@48VACCeramic-551252.51Very Fast-Acting (FF)3.175 x 1.575mmCheckOrder
045803.53.5754840.037550A@75VDC 50A@48VACCeramic-551253.51Very Fast-Acting (FF)3.175 x 1.575mmCheckOrder
045806.36.3753214.370.019250A@75VDC 50A@32VACCeramic-551256.31Very Fast-Acting (FF)3.175 x 1.575mmCheckOrder
04581.251.2575480.3130.12550A@75VDC 50A@48VACCeramic-551251.251Very Fast-Acting (FF)3.175 x 1.575mmCheckOrder
04583.153.1575482.4570.04550A@75VDC 50A@48VACCeramic-551253.151Very Fast-Acting (FF)3.175 x 1.575mmCheckOrder

pdf icon Dimmers and GFCI USB Outlets

pdf icon Industrial Motor Drives and Soft Starters

pdf icon Littelfuse Fuse Accessories Selection Guide

A quick reference guide to selecting holders, blocks and clips for fuse applications...

pdf icon Fuse Selection Guide

A quick reference guide to selecting fuses for electronic applications...

pdf icon Product Selection Guide

Electronics Circuit Protection Product Selection Guide - A guide to selecting Littelfuse circuit protection components for electronic applications...

pdf icon 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...

pdf icon Fuse 458 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...

pdf icon Electronic Fuse Products Catalog

Littelfuse Electronic Fuse Products Catalog -- Miniature Fuse Products for Overcurrent Protection of Small Electrical and Electrical Applications...

Littelfuse_Phils_ISO9001_102407icon 2022-06-17_ISO 9001 2015_LF Phils

PhilsISO14001Certificateicon 2022-04-19_ISO 14001-2015_LF Phils

pdf icon Fuseholder Selection Guide

pdf icon Fuseology Selection Guide

Littelfuse Fuseology Selection Guide