273 Series - MICRO™ Very Fast-Acting Subminiature Plug-In Fuse

Series: 273
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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.

Developed originally for the U.S. Space Program, MICRO™ fuse provides reliability in a compact design. The MICRO™ fuse is available in plug–in or radial lead styles and a complete range of ampere ratings from 0.002A to 5A to suit a wide variety of design needs.

Features:

  • Military grade available
  • High breaking capacity
  • Clear cover option to view fuse element status
  • Available from very low ampere of 0.002A to 5A
  • Plug-in with short or long leads option

Applications:

  • Printed circuit boards and similar equipment
  • Electronic components

Access specifications, certifications, check availability and order parts below

Catalog #VDC (V)VAC (V)Resistance
(Ω)		Nominal Melting I2T (A2sec)OpeningMax Operating Temp (°C)Min Operating TemperatureInterupt Voltage (V) -1Interupt Voltage (V) -2Partner ECAD ModelsStockSamplesCompare
0273.0021251250.04250.3Very Fast-Acting (FF)85-551251250273.002CheckOrder
0273.0051251252807.66E-08Very Fast-Acting (FF)85-551251250273.005CheckOrder
0273.010125125804.62E-07Very Fast-Acting (FF)85-551251250273.010CheckOrder
0273.015125125441.23E-06Very Fast-Acting (FF)85-551251250273.015CheckOrder
0273.031125125168.1E-06Very Fast-Acting (FF)85-551251250273.031CheckOrder
0273.0501251253.526.66E-05Very Fast-Acting (FF)85-551251250273.050CheckOrder
0273.0621251252.550.000115Very Fast-Acting (FF)85-551251250273.062CheckOrder
0273.1001251251.380.000385Very Fast-Acting (FF)85-551251250273.100CheckOrder
0273.12512512510.000691Very Fast-Acting (FF)85-551251250273.125CheckOrder
0273.2001251252.30.00409Very Fast-Acting (FF)85-551251250273.200CheckOrder
0273.2501251251.750.0064Very Fast-Acting (FF)85-551251250273.250CheckOrder
0273.3001251251.250.00945Very Fast-Acting (FF)85-551251250273.300CheckOrder
0273.4001251250.2270.0251Very Fast-Acting (FF)85-551251250273.400CheckOrder
0273.5001251250.1670.0716Very Fast-Acting (FF)85-551251250273.500CheckOrder
0273.6001251250.430.0411Very Fast-Acting (FF)85-551251250273.600CheckOrder
0273.7001251250.3240.071Very Fast-Acting (FF)85-551251250273.700CheckOrder
0273.7501251250.2930.0563Very Fast-Acting (FF)85-551251250273.750CheckOrder
0273.8001251250.2710.113Very Fast-Acting (FF)85-551251250273.800CheckOrder
0273001.1251250.0880.0648Very Fast-Acting (FF)85-551251250273001.CheckOrder
0273002.1251250.04250.3Very Fast-Acting (FF)85-551251250273002.CheckOrder
0273003.1251250.02750.759Very Fast-Acting (FF)85-551251250273003.CheckOrder
0273004.1251250.02021.38Very Fast-Acting (FF)85-551251250273004.CheckOrder
0273005.1251250.01562.21Very Fast-Acting (FF)85-551251250273005.CheckOrder
027301.51251250.05780.16Very Fast-Acting (FF)85-55125125027301.5CheckOrder
Catalog # Certificates
Sorting icon
0273.002 CSAiconURicon
0273.005 CSAiconURicon
0273.010 CSAiconURicon
0273.015 CSAiconURicon
0273.031 CSAiconURicon
0273.050 CSAiconURicon
0273.062 CSAiconURicon
0273.100 CSAiconURicon
0273.125 CSAiconURicon
0273.200 CSAiconURicon
0273.250 CSAiconURicon
0273.300 CSAiconURicon
0273.400 CSAiconURicon
0273.500 CSAiconURicon
0273.600 CSAiconURicon
0273.700 CSAiconURicon
0273.750 CSAiconURicon
0273.800 CSAiconURicon
0273001. CSAiconURicon
0273002. CSAiconURicon
0273003. CSAiconURicon
0273004. CSAiconURicon
0273005. CSAiconURicon
027301.5 CSAiconURicon
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
0273002.H FUSE 125V V/FA MICRO FUSE 2A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273002.H REACH_SVHC Declaration_0273002.H No
Does not Contain
0273.050H FUSE 125V V/FA MICRO FUSE .050A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273.050H REACH211_Declaration_0273.050H No
Does not Contain
0273.050V FUSE 125V V/FA MICRO FUSE .050A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273.050V REACH174_Declaration_0273.050V No
Does not Contain
0273.062V FUSE 125V V/FA MICRO FUSE .062A RoHS No 02/27/2002 PbFree No 02/27/2002 No
0273.100V FUSE 125V V/FA MICRO FUSE .100A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273.100V REACH211_Declaration_0273.100V No
Does not Contain
0273.100H FUSE 125V V/FA MICRO FUSE .100A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273.100H REACH205_Declaration_0273.100H No
Does not Contain IPC_0273.100H
0273.125V FUSE 125V V/FA MICRO FUSE .125A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273.125V REACH197_Declaration_0273.125V No
Does not Contain IPC_0273.125V
0273.125H FUSE 125V V/FA MICRO FUSE .125A RoHS No 02/27/2002 PbFree No 02/27/2002 No
0273.200V FUSE 125V V/FA MICRO FUSE .200A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273.200V REACH_SVHC Declaration_0273.200V No
Does not Contain
0273.250V FUSE 125V V/FA MICRO FUSE .250A RoHS No 02/27/2002 PbFree No 02/27/2002 No
0273.250H FUSE 125V V/FA MICRO FUSE .250A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273.250H REACH201_Declaration_0273.250H No
Does not Contain
0273.300H FUSE 125V V/FA MICRO FUSE .300A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273.300H REACH211_Declaration_0273.300H No
Does not Contain
0273.300V FUSE 125V V/FA MICRO FUSE .300A RoHS No 02/27/2002 PbFree No 02/27/2002 No
0273.400H FUSE 125V V/FA MICRO FUSE .400A RoHS No 02/27/2002 PbFree No 02/27/2002 No
0273.400V FUSE 125V V/FA MICRO FUSE .400A RoHS No 02/27/2002 PbFree No 02/27/2002 No
0273.500V FUSE 125V V/FA MICRO FUSE .500A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273.500V REACH211_Declaration_0273.500V No
Does not Contain
0273.500H FUSE 125V V/FA MICRO FUSE .500A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273.500H REACH201_Declaration_0273.500H No
Does not Contain IPC_0273.500H
0273.600V FUSE 125V V/FA MICRO FUSE .600A RoHS No 02/27/2002 PbFree No 02/27/2002 No
0273.700V FUSE 125V V/FA MICRO FUSE .700A RoHS No 02/27/2002 PbFree No 02/27/2002 No
0273.750V FUSE 125V V/FA MICRO FUSE .750A RoHS No 02/27/2002 PbFree No 02/27/2002 No
0273.750H FUSE 125V V/FA MICRO FUSE .750A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273.750H REACH211_Declaration_0273.750H No
Does not Contain IPC_0273.750H
0273.800V FUSE 125V V/FA MICRO FUSE .800A RoHS No 02/27/2002 PbFree No 02/27/2002 No
0273001.V FUSE 125V V/FA MICRO FUSE 1A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273001.V REACH181_Declaration_0273001.V No
Does not Contain
0273001.H FUSE 125V V/FA MICRO FUSE 1A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273001.H REACH211_Declaration_0273001.H No
Does not Contain
0273002.V FUSE 125V V/FA MICRO FUSE 2A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273002.V REACH211_Declaration_0273002.V No
Does not Contain
0273003.V FUSE 125V V/FA MICRO FUSE 3A RoHS No 02/27/2002 PbFree No 02/27/2002 No
0273003.H FUSE 125V V/FA MICRO FUSE 3A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273003.H REACH211_Declaration_0273003.H
Does not Contain
0273004.V FUSE 125V V/FA MICRO FUSE 4A RoHS No 02/27/2002 PbFree No 02/27/2002 No
0273004.H FUSE 125V V/FA MICRO FUSE 4A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273004.H REACH_SVHC Declaration_0273004.H No
Does not Contain
0273005.V FUSE 125V V/FA MICRO FUSE 5A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273005.V REACH191_Declaration_0273005.V No
Does not Contain
0273005.H FUSE 125V V/FA MICRO FUSE 5A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_0273005.H REACH211_Declaration_0273005.H No
Does not Contain
027301.5V FUSE 125V V/FA MICRO FUSE 1.5A RoHS No 02/27/2002 PbFree No 02/27/2002 No
027301.5H FUSE 125V V/FA MICRO FUSE 1.5A RoHS No 02/27/2002 PbFree No 02/27/2002 CoC_RoHS10_027301.5H REACH211_Declaration_027301.5H No
Does not Contain
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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...
tc-icon 272 279 Series Time Curve Data

pdficon Fuse 272 and 279 Datasheet

Developed originally for the U.S. Space Program MICRO™ fuse provides reliability in a compact design...
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