0494.375 - 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
Property (Mouseover for details) Value
Nominal Melting I2T (A2sec) 0.0035
Nominal Cold Resistance (Ohms) 0.31
Opening Very Fast-Acting (FF)
Operating Temperature -55° to 90°C
Partner ECAD Models 0494.375
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
0494.375NRHF PRTCTR SLIM HALOGEN FREE 0603 32V .375A RoHS No 12/31/2001 PbFree No CoC_RoHS10_0494.375NRHF REACH_SVHC Declaration (Contain)_0494.375NRHF No
Contains IPC_494HF
0494.375NRA PROTECTOR SLIM 0603 32V.375A RoHS No 12/31/2001 PbFree No No
0494.375NR PROTECTOR SLIM 0603 32V.375A RoHS No 12/31/2001 PbFree No CoC_RoHS10_0494.375NR REACH_SVHC Declaration (Contain)_0494.375NR No
Contains IPC_494xxx_Series
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