438A Series - 0603 AECQ-Compliant Fuses

Roll Over to Zoom

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

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)VDC (V)VAC (V)Nominal Melting I2T (A2sec)Resistance
Interrupting RatingBodyMin Operating Temp (°C)Max Operating Temp (°C)Marking CodeMSLNom
0438.250A0.2563320.00172.21850A@63VDCCeramic Body-55150DIPC/JEDEC J-STD-020C LEVEL 10.1380.55Fast-Acting (F)0603 (1608)CheckOrder
0438.375A0.37563320.00411.24750A@63VDCCeramic Body-55150EIPC/JEDEC J-STD-020C LEVEL 10.1830.488Fast-Acting (F)0603 (1608)CheckOrder
0438.500A0.563320.010.82950A@63VDCCeramic Body-55150FIPC/JEDEC J-STD-020C LEVEL 10.2430.486Fast-Acting (F)0603 (1608)CheckOrder
0438.750A0.7563320.02810.46650A@63VDCCeramic Body-55150GIPC/JEDEC J-STD-020C LEVEL 10.2840.378Fast-Acting (F)0603 (1608)CheckOrder
0438001.A163320.05930.3150A@63VDCCeramic Body-55150HIPC/JEDEC J-STD-020C LEVEL 10.3510.351Fast-Acting (F)0603 (1608)CheckOrder
0438002.A2320.1810.04950A@32VDCCeramic Body-55150NIPC/JEDEC J-STD-020C LEVEL 10.2140.107Fast-Acting (F)0603 (1608)CheckOrder
0438003.A3320.4390.026450A@32VDCCeramic Body-55150PIPC/JEDEC J-STD-020C LEVEL 10.2790.093Fast-Acting (F)0603 (1608)CheckOrder
0438004.A4320.730.017750A@32VDCCeramic Body-55150SIPC/JEDEC J-STD-020C LEVEL 10.3160.079Fast-Acting (F)0603 (1608)CheckOrder
0438005.A5320.7470.012750A@32VDCCeramic Body-55150TIPC/JEDEC J-STD-020C LEVEL 10.370.074Fast-Acting (F)0603 (1608)CheckOrder
0438006.A6241.4440.008650A@24VDCCeramic Body-55150UIPC/JEDEC J-STD-020C LEVEL 10.4320.072Fast-Acting (F)0603 (1608)CheckOrder
043802.5A2.532320.240.036450A@32VDCCeramic Body-55150OIPC/JEDEC J-STD-020C LEVEL 10.2380.095Fast-Acting (F)0603 (1608)CheckOrder
043803.5A3.532320.6470.02150A@32VDCCeramic Body-55150RIPC/JEDEC J-STD-020C LEVEL 10.2870.082Fast-Acting (F)0603 (1608)CheckOrder
04381.25A1.2532320.0510.250A@63VDCCeramic Body-55150JIPC/JEDEC J-STD-020C LEVEL 10.4560.365Fast-Acting (F)0603 (1608)CheckOrder
04381.75A1.7532320.1441.40550A@32VDCCeramic Body-55150LIPC/JEDEC J-STD-020C LEVEL 10.540.36Fast-Acting (F)0603 (1608)CheckOrder

pdf icon Uninterruptable Power Supply (UPS) & Energy Storage System (ESS) Spotlight

pdf icon xEV power train

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.

pdf icon Littelfuse Fuse Accessories Selection Guide

A quick reference guide to selecting holders, blocks and clips for fuse applications...

pdf icon Fuse Selection Guide

A quick reference guide to selecting fuses for electronic applications...

pdf icon Product Selection Guide

Electronics Circuit Protection Product Selection Guide - A guide to selecting Littelfuse circuit protection components for electronic applications...

pdf icon 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...

pdf icon ESD Protection Solutions

pdf icon Electronic Fuse Products Catalog

Littelfuse Electronic Fuse Products Catalog -- Miniature Fuse Products for Overcurrent Protection of Small Electrical and Electrical Applications...

pdf icon Fuseholder Selection Guide

pdf icon Fuseology Selection Guide

Littelfuse Fuseology Selection Guide

Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s)
0438.250WRA FUSE 32V FA 0603 .250A AECQ RoHS No 08/26/2008 PbFree No 02/26/2019 CoC_RoHS10_0438.250WRA_04-16-2020 REACH209_Declaration_0438.250WRA_10-14-2020 Yes
Does not Contain
0438.375WRA FUSE 32V FA 0603 .375A AECQ RoHS No 08/26/2008 PbFree No 02/26/2019 REACH209_Declaration_0438.375WRA_07-08-2020 Yes
Does not Contain
0438.500WRA FUSE 32V FA 0603 .500A AECQ RoHS No 08/26/2008 PbFree No 02/26/2019 CoC_RoHS10_0438.500WRA_9-23-2019 REACH209_Declaration_0438.500WRA_07-15-2020 Yes
Does not Contain
0438.750WRA FUSE 32V FA 0603 .750A AECQ RoHS No 08/26/2008 PbFree No 08/26/2008 CoC_RoHS10_0438.750WRA_10-8-2019 REACH197_Declaration_0438.750WRA_03-06-2019 Yes
Does not Contain
0438001.WRA FUSE 32V FA 0603 1A AECQ RoHS No 08/26/2008 PbFree No 11/16/2017 Yes
0438002.WRA FUSE 32V FA 0603 2A AECQ RoHS No 08/26/2008 PbFree No 02/26/2019 CoC_RoHS10_0438002.WRA_04-08-2019 REACH197_Declaration_0438002.WRA_04-08-2019 Yes
Does not Contain
0438003.WRA FUSE 32V FA 0603 3A AECQ RoHS No 10/22/2018 PbFree No 10/22/2018 Yes
0438005.WRA FUSE 32V FA 0603 5A AECQ RoHS No 08/26/2008 PbFree No 02/26/2019 CoC_RoHS10_0438005.WRA_5-29-2019 REACH197_Declaration_0438005.WRA_5-29-2019 Yes
Does not Contain
0438006.WRA FUSE 24V FA 0603 6A AECQ RoHS No 08/26/2008 PbFree No 02/26/2019 CoC_RoHS10_0438006.WRA_04-26-2019 REACH209_Declaration_0438006.WRA_07-02-2020 Yes
Does not Contain
043802.5WRA FUSE 32V FA 0603 2.5A AECQ RoHS No 01/16/2019 PbFree No 01/16/2019 Yes
04381.25WRA FUSE 32V FA 0603 1.25A AECQ RoHS No 08/26/2008 PbFree No 05/23/2018 CoC_RoHS10_04381.25WRA_10-8-2019 REACH197_Declaration_04381.25WRA_02-27-2019 Yes
Does not Contain
If the product environmental information that you are looking for does not appear in this tab,
please complete the Product Environmental Information Request Form.