448 Series - Lead-Free NANO Very Fast-Acting Subminiature Surface Mount Fuse

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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.

The lead free Nano2® SMF Fuse is a very small, square surface mount fuse that is RoHS compliant and 100% Lead-Free. This product is fully compatible with lead-free solder alloys and higher temperature profiles associated with lead-free assembly.


  •  Lead-free and Halogen Free
  •  Very fast acting
  •  Small size 
  •  Wide range of current rating available (62mA to 15A)
  •  Wide operating temperature range
  •  Low temperature de-rating

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 °CMax Operating Temp (°C)Marking CodeStockSamplesCompare
0448.0620.0621251250.000235.5650A@125VDCCeramic-5512562mA LFCheckOrder
0448.0800.081251250.000434.4750A@125VDCCeramic-5512580mA LFCheckOrder
0448.1000.11251250.000822.9450A@125VDCCeramic-55125100mA LFCheckOrder
0448.1250.1251251250.00132.0550A@125VDCCeramic-55125125mA LFCheckOrder
0448.1600.161251250.00281.6750A@125VDCCeramic-55125160mA LFCheckOrder
0448.2000.21251250.00381.2450A@125VDCCeramic-55125200mA LFCheckOrder
0448.2500.251251250.01520.9550A@125VDCCeramic-55125250mA LFCheckOrder
0448.3150.3151251250.02650.701550A@125VDCCeramic-55125315mA LFCheckOrder
0448.3750.3751251250.0240.615550A@125VDCCeramic-55125375mA LFCheckOrder
0448.4000.41251250.04160.489550A@125VDCCeramic-55125400mA LFCheckOrder
0448.5000.51251250.10.3850A@125VDCCeramic-55125500mA LFCheckOrder
0448.6300.631251250.1210.312550A@125VDCCeramic-55125630mA LFCheckOrder
0448.7500.751251250.2060.22950A@125VDCCeramic-55125750mA LFCheckOrder
0448.8000.81251250.2720.190750A@125VDCCeramic-55125800mA LFCheckOrder
0448001.11251250.4410.086350A@125VDCCeramic-551251A LFCheckOrder
0448002.21251250.8120.0352950A@125VDCCeramic-551252A LFCheckOrder
0448003.31251251.720.0244550A@125VDCCeramic-551253A LFCheckOrder
0448004.41251253.970.0157750A@125VDCCeramic-551254A LFCheckOrder
0448005.51251254.490.0153150A@125VDCCeramic-551255A LFCheckOrder
0448007.712512513.920.00950A@125VDCCeramic-551257A LFCheckOrder
0448008.812512518.330.007850A@125VDCCeramic-551258A LFCheckOrder
044801.51.51251250.90.0651450A@125VDCCeramic-551251.5A LFCheckOrder
044801.61.61251251.1220.0626150A@125VDCCeramic-551251.6A LFCheckOrder
0448010.10125125280.00750A@125VDCCeramic-5512510A LFCheckOrder
0448012.12656547.590.0053350A@65VDCCeramic-5512512A LFCheckOrder
0448015.15656578.40.0039450A@65VDCCeramic-5512515A LFCheckOrder
044802.52.51251251.1560.0293450A@125VDCCeramic-551252.5A LFCheckOrder
044803.53.51251252.30.02150A@125VDCCeramic-551253.5A LFCheckOrder
044806.36.312512512.10.0104450A@125VDCCeramic-551256.3A LFCheckOrder
04481.251.251251250.90.0661950A@125VDCCeramic-551251.25A LFCheckOrder
04483.153.151251251.810.02350A@125VDCCeramic-551253.15A LFCheckOrder

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PhilsISO14001Certificateicon Phils ISO 14001 2004

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