0251001 - 251 Series

Series: 251
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Fuse 251 253 Hi_Res
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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 PICO® II Very Fast-Acting Fuse is designed to meet an 
extensive array of performance characteristics in a 
space-saving subminiature package.


Features:

  • Very fast-acting
  • Small size
  • Wide current rating range (62mA- 15A)
  • RoHS compliant 
  • Halogen-free available 
  • Wide operating temperature range
  • Low temperature rerating


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Application Spotlight


Property (Mouseover for details) Value
Body Ceramic
Nominal Melting I2T (A2sec) 0.721
Moisture Sensitivity Level MIL-STD-202 Method 106
Nominal Cold Resistance (Ohms) 0.035999998
Opening Very Fast-Acting (FF)
VAC (V) 125
VDC (V) 125
Partner ECAD Models 0251001

CSAicon CSA_1422-01_029862

kcicon KTL_SU05024-20002

CCCicon CCC_2020970207000061

METIicon UL_NBK200416-JP1021

CEicon CE_Doc_251

UKCAicon UK_Doc_251

TUVicon TUV_J50158379

cURicon cUR_JDYX8_E10480_101211741

URicon UR_JDYX2_E10480_101211741

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...
pdficon Fuse 251 and 253 Datasheet

The PICO® II Very Fast-Acting Fuse is designed to meet an extensive array of performance characteristics in a space-saving subminiature package...
pdficon Circuit Protection Technology Application Matrix Application Guide

Littelfuse is the world leader in the design and manufacturing of fuses for the automotive industrial handheld computer and telecom markets...
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
0251001.MAT1L FUSE 125V PICO II FA RoHS 1A RoHS No 05/12/2004 PbFree No 07/04/2012 CoC_RoHS9_0251001.MAT1L REACH_SVHC Declaration (Contain)_0251001.MAT1L Yes
06/12/2011		 Contains IPC_0251001.NAT1L_0251001.MAT1L_0251001.PAT1L_0251001.HAT1L
0251001.PAT1HF FUSE 125V PICO FA RoHS Halogen-Free 1A RoHS No 05/12/2004 PbFree No 07/04/2012 Yes
06/12/2011
0251001.PARL FUSE 125V PICO II FA RoHS 1A RoHS No 05/12/2004 PbFree No 07/04/2012 CoC_RoHS9_0251001.PARL REACH181_Declaration_0251001.PARL Yes
06/12/2011		 Does not Contain
0251001.NAT1L FUSE 125V PICO II FA RoHS 1A RoHS No 05/12/2004 PbFree No 07/04/2012 CoC_RoHS9_0251001.NAT1L REACH205_Declaration_with_Pb_0251001.NAT1L Yes
06/12/2011		 Contains IPC_0251001.NAT1L_0251001.MAT1L_0251001.PAT1L_0251001.HAT1L
0251001.NRT1L FUSE 125V PICO II FA RoHS 1A RoHS No 05/12/2004 PbFree No 07/04/2012 CoC_RoHS9_0251001.NRT1L REACH219_Declaration_(Contain)_0251001.NRT1L Yes
06/12/2011		 Contains IPC_0251001.MRT1L_0251001.NRT1L
0251001.PAT1L FUSE 125V PICO II FA RoHS 1A RoHS No 05/12/2004 PbFree No 07/04/2012 Yes
06/12/2011		 IPC_0251001.NAT1L_0251001.MAT1L_0251001.PAT1L_0251001.HAT1L
0251001.MAT1HF FUSE 125V PICO FA RoHS Halogen-Free 1A RoHS No 05/12/2004 PbFree No 07/04/2012 Yes
06/12/2011
0251001.MXL FUSE 125V PICO II FA RoHS 1A RoHS No 05/12/2004 PbFree No 07/04/2012 CoC_RoHS9_0251001.MXL REACH209_Declaration_Contain-_0251001.MXL Yes
06/12/2011		 Contains
0251001.HAT1L FUSE 125V PICO II FA RoHS 1A RoHS No 05/12/2004 PbFree No 07/04/2012 REACH191_Declaration_with_Pb_0251001.HAT1L Yes
06/12/2011		 Contains IPC_0251001.NAT1L_0251001.MAT1L_0251001.PAT1L_0251001.HAT1L
0251001.NAT1HF FUSE 125V PICO FA RoHS Halogen-Free 1A RoHS No 05/12/2004 PbFree No 07/04/2012 Yes
06/12/2011
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