464 Series - NANO 250V UMF Fast-Acting Miniature 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 Surface Mount Nano 250V Fuse UMF product family complies with IEC Publication IEC60127-4-Universal Modular Fuse-Links [UMF]. This IEC standard has been accepted world wide.


  • Fast Acting
  • Listed to IEC 60127-4, Universal Modular Fuse-Links (UMF)
  • 250VAC Voltage rating
  • RoHS compliant and Halogen Free


  • Power supply
  • Lighting system
  • White goods
  • Industrial equipment

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)VAC (V)Nominal Melting I2T (A2sec)Resistance
Interrupting RatingBodyMin Operating Temp (°C)Max Operating Temp (°C)Marking CodeMSLOpeningSizeStockSamplesCompare
0464.5000.52500.220.2373100A@250VACCeramic-55125LF F500mAL AC 250V1Fast-Acting (F)12.1 x 4.5mmCheckOrder
464.80.82500.3080.1159100A@250VACCeramic-55125LF F800mAL AC 250V1Fast-Acting (F)12.1 x 4.5mmCheckOrder
046400112500.510.0762100A@250VACCeramic-55125LF F1AL AC 250V1Fast-Acting (F)12.1 x 4.5mmCheckOrder
046400222502.480.0354100A@250VACCeramic-55125LF F2AL AC 250V1Fast-Acting (F)12.1 x 4.5mmCheckOrder
0464004425013.850.0156100A@250VACCeramic-55125LF F4AL AC 250V1Fast-Acting (F)12.1 x 4.5mmCheckOrder
0464005525023.60.0119100A@250VACCeramic-55125LF F5AL AC 250V1Fast-Acting (F)12.1 x 4.5mmCheckOrder
046401.61.62501.150.0448100A@250VACCeramic-55125LF F1.6AL AC 250V1Fast-Acting (F)12.1 x 4.5mmCheckOrder
046402.52.52503.990.0288100A@250VACCeramic-55125LF F2.5AL AC 250V1Fast-Acting (F)12.1 x 4.5mmCheckOrder
046406.36.325035.9120.0093100A@250VACCeramic-55125LF F6.3AL AC 250V1Fast-Acting (F)12.1 x 4.5mmCheckOrder
04641.251.252500.980.058100A@250VACCeramic-55125LF F1.25AL AC 250V1Fast-Acting (F)12.1 x 4.5mmCheckOrder
04643.153.152508.050.0206100A@250VACCeramic-55125LF F3.15AL AC 250V1Fast-Acting (F)12.1 x 4.5mmCheckOrder

pdf icon Fuse 464 Datasheet

The Surface Mount Nano2 250V UMF product family complies with IEC Publication IEC60127-4-Universal Modular Fuse-Links [UMF]...

464 Series TC Curve

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 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