455_nano Series - OBSOLETE -NANO2® UMF Very Fast-Acting Subminiature Surface Mount Fuse

Series: 455_nano
Obsolete: 2007 -11-05
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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 NANO2 UMF Fuse is a very small, square surface mount fuse design.
  • Designed to International (IEC) Standards for use globally.
  • Meets IEC 60127-4 UMF specifications for Fast-Acting Fuses.

Access specifications, certifications, check availability and order parts below

Catalog #VDC (V)VAC (V)Nominal Melting I2T (A2sec)Resistance
BodyOpeningOperating TemperatureCompare
0455.4001251250.07950.42CeramicVery Fast-Acting (FF)-55° to 125°C
0455.5001251250.1430.305CeramicVery Fast-Acting (FF)-55° to 125°C
04550011251250.6450.078CeramicVery Fast-Acting (FF)-55° to 125°C
045501.61251251.060.0532CeramicVery Fast-Acting (FF)-55° to 125°C
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