043802.5A - 438A Series

Series: 438A
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The 438A series AECQ-Compliant fuses are specifically tested to cater to secondary circuit protection needs of compact auto electronics applications. 


  • AECQ-Compliant
  • Fast response to faulty current to ensure over-current protection to sensitive electronic component
  • Operating Temperature from -55C to +150C
  • 100% Lead-free, Halogen-Free, and RoHS compliant


  • Li-ion Battery
  • LED Head Lights
  • Navigation
  • TFT display
  • BMS
  • Clusters

Property (Mouseover for details) Value
Body Ceramic Body
Nominal Melting I2T (A2sec) 0.24
Min Operating Temp °C -55
Max Operating Temp (°C) 150
Moisture Sensitivity Level IPC/JEDEC J-STD-020C LEVEL 1
Nominal Cold Resistance (Ohms) 0.0364
Opening Fast-Acting (F)

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pdf icon Automotive Electronics Applications Guide

This guide provides a summary of key circuit protection consideration factors, descriptions of the technologies Littelfuse offers, and product selection tables. It is designed to help you quickly find a protection solution appropriate to your application.

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Littelfuse is the world leader in the design and manufacturing of fuses for the automotive, industrial, handheld, computer and telecom markets...

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Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s)
043802.5WRA FUSE 32V FA 0603 2.5A AECQ RoHS No 01/16/2019 PbFree No 01/16/2019 CoC_RoHS10_043802.5WRA_1-16-2019 REACH197_Declaration_043802.5WRA_1-16-2019 Yes
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