0494003. - 494 Series

Series: 494
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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.

The 494 Series Fast-Acting SMF is ultra small thin-film device designed for secondary protection of circuits used in space constrained applications such as hand-held portable electronic devices. 


Features:

  • Complies with electronic industry environmental standards for lead reduction
  • Product is compatible with lead-free solders and higher temperature profiles
  • High performance materials provide improved performance in elevated ambient temperature applications
  • Product is marked on top surface with code to allow amperage-rating identification without testing
  • Low profile for height sensitive applications
  • Flat top surface for pick-and-place operations
  • Element-covering material is resistant to industry standard cleaning operations
  • Mounting pad and electrical performance are identical to Littelfuse 431 and 434 Series products
  • Alloy-based element construction provides superior inrush withstand characteristics (I2t) over ceramic or glass-based 0603 fuse products
Order Samples
Property (Mouseover for details) Value
Nominal Melting I2T (A2sec) 0.2403
Nominal Cold Resistance (Ohms) 0.022
Opening Very Fast-Acting (FF)
Operating Temperature -55° to 90°C
Partner ECAD Models 0494003.

CSAicon CSA_ 1422-30_ 029862

pdficon Fuse 494 Datasheet

cURicon cUR_JDYX8_E10480_101212209

URicon UR_JDYX2_E10480_101212209

pdficon Fuseology Selection Guide

Littelfuse Fuseology Selection Guide
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 Fuseholder Selection Guide

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
0494003.NRHF PRTCTR SLIM HALOGEN FREE 0603 32V 3A RoHS No 12/31/2001 PbFree No CoC_RoHS10_0494003.NRHF REACH_SVHC Declaration (Contain)_0494003.NRHF No
Contains IPC_494HF
0494003.NRA PROTECTOR SLIM 0603 32V 3A RoHS No 12/31/2001 PbFree No No
0494003.NR PROTECTOR SLIM 0603 32V 3A RoHS No 12/31/2001 PbFree No CoC_RoHS10_0494003.NR REACH_SVHC Declaration (Contain)_0494003.NR No
Contains IPC_494xxx_Series
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