251.63 - 251 Series

Series: 251
Questions? Contact Littelfuse Support
Fuse 251 253 Hi_Res
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 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


Check Stock Order Samples

Application Spotlight


Property (Mouseover for details) Value
Body Ceramic
Nominal Melting I2T (A2sec) 0.08
Moisture Sensitivity Level MIL-STD-202 Method 106
Nominal Cold Resistance (Ohms) 0.205
Opening Very Fast-Acting (FF)
VAC (V) 125
VDC (V) 125
Partner ECAD Models 251.63

CSAicon CSA_1422-01_029862

kcicon KTL_SU05024-20001

CEicon CE_Doc_251

UKCAicon UK_Doc_251

TUVicon TUV_J50158379

pdficon Fuse 251 Datasheet

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

Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
0251.630NRT1L FUSE 125V PICO II FA RoHS .630A RoHS No 05/12/2004 PbFree No 07/04/2012 CoC_RoHS9_0251.630NRT1L REACH_SVHC Declaration (Contain)_0251.630NRT1L Yes
06/12/2011		 Contains
0251.630MXL FUSE 125V PICO II FA RoHS .630A RoHS No 05/12/2004 PbFree No 07/04/2012 CoC_RoHS9_0251.630MXL REACH_SVHC Declaration (Contain)_0251.630MXL Yes
06/12/2011		 Contains
0251.630NAT1L FUSE 125V PICO II FA RoHS .630A RoHS No 05/12/2004 PbFree No 07/04/2012 CoC_RoHS9_0251.630NAT1L REACH_SVHC Declaration (Contain)_0251.630NAT1L Yes
06/12/2011		 Contains
0251.630PF001L FUSE 125V PICO II FA RoHS .630A RoHS No 05/12/2004 PbFree No 07/04/2012 Yes
06/12/2011
0251.630PAT1L FUSE 125V PICO II FA RoHS .630A RoHS No 05/12/2004 PbFree No 07/12/2012 Yes
06/12/2011
0251.630MRT1L FUSE 125V PICO II FA RoHS .630A RoHS No 05/12/2004 PbFree No 07/04/2012 CoC_RoHS9_0251.630MRT1L REACH_SVHC Declaration (Contain)_0251.630MRT1L Yes
06/12/2011		 Contains
0251.630MAT1L FUSE 125V PICO II FA RoHS .630A RoHS No 05/12/2004 PbFree No 07/04/2012 CoC_RoHS9_0251.630MAT1L REACH_SVHC Declaration (Contain)_0251.630MAT1L Yes
06/12/2011		 Contains
If the product environmental information that you are looking for does not appear in this tab,
please complete the Product Environmental Information Request Form.