0263005. - 263 Series

Series: 263
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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 263 Series Fuse is a specially designed 
axial leaded fuse that achieves a 250V rating in a small 


  • Very fast-acting
  • Small size
  • Wide current rating range (62mA- 15A)
  • RoHS compliant 
  • Halogen-free available 
  • Wide operating temperature range
  • Low temperature rerating
  • 250V rating
Property (Mouseover for details) Value
Body Glass
Nominal Melting I2T (A2sec) 5.55
Moisture Sensitivity Level MIL-STD-202 Method 106
Nominal Cold Resistance (Ohms) 0.0145
Opening Very Fast-Acting (FF)
VAC (V) 250
Partner ECAD Models 0263005.
Operating Temperature -55° to 125°C

Littelfuse_Phils_ISO9001_102407icon 2022-06-17_ISO 9001 2015_LF Phils

PhilsISO14001Certificateicon 2022-04-19_ISO 14001-2015_LF Phils

CSAicon CSA_1422-01_029862

uricon UR_JDYX2_E10480_9_30_14

cRUicon CUR_JDYX8_E10480_10_30_14

METIicon UL_NBK200416-JP1021

0263005. ECAD Models

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Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
0263005.WRT1L FUSE 250V PICO II V/FA RoHS 5A RoHS No 04/08/2004 PbFree No REACH191_Declaration_with_Pb_0263005.WRT1L Yes
Contains IPC_0263005.WRT1L
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