438GT Series - 438GT Series 0603 Fast Acting Fuse

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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 438GT Ceramic Fuse series is a 100% Lead Free, RoHS compliant and Halogen free series designed specifically to provide over-current protection to circuits that see high working ambient temperatures (up to 150°C) and high inrush currents.
The General design ensures excellent temperature stability and performance reliability.
This higher I2t values which is typical in the Littelfuse Ceramic Fuse Family ensures high inrush current withstand capability.


  • Fast response to faulty current to ensure over-current protection to sensitive electronic component.
  • Operating Temperature from -55°C to +150°C
  • High I2t Value
  • Suitable for both leaded and lead-free reflow/wave soldering
  • 100% Lead-free, Halogen-Free and RoHS compliant


  • Handheld electronics
  • LCD Display
  • Battery Packs
  • Hard Disk Drives
  • SD Memory Cards

Access specifications, certifications, check availability and order parts below

Catalog #VDC (V)Nominal Melting I2T (A2sec)Resistance
BodyMSLOpeningOperating TemperaturePartner ECAD ModelsStockSamplesCompare
0438002.GT320.1810.049CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C0438002.GTCheckOrder
0438003.GT320.4390.0264CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C0438003.GTCheckOrder
0438004.GT320.7390.0164CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C0438004.GTCheckOrder
0438005.GT320.7470.0127CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C0438005.GTCheckOrder
0438006.GT241.4440.0086CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C0438006.GTCheckOrder
043802.5GT320.240.0364CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C043802.5GTCheckOrder
043803.5GT320.6470.021CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C043803.5GTCheckOrder
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
0438002.WRGT FUSE 32V FA 0603 2A GT RoHS No 08/26/2008 PbFree No 09/20/2017 CoC_RoHS10_0438002.WRGT REACH219_Declaration_0438002.WRGT Yes
Does not Contain IPC_0438xxx_GT_Series_(2A-6A)
0438003.WRGT FUSE 32V FA 0603 3A GT RoHS No 08/26/2008 PbFree No 09/20/2017 CoC_RoHS10_0438003.WRGT REACH219_Declaration_0438003.WRGT Yes
Does not Contain IPC_0438xxx_GT_Series_-2A-6A
0438004.WRGT FUSE 32V FA 0603 4A GT RoHS No 08/26/2008 PbFree No 09/20/2017 CoC_RoHS10_0438004.WRGT REACH219_Declaration_0438004.WRGT Yes
Does not Contain IPC_0438xxx_GT_Series_-2A-6A
0438005.WRGT FUSE 32V FA 0603 5A GT RoHS No 08/26/2008 PbFree No 09/20/2017 CoC_RoHS10_0438005.WRGT REACH219_Declaration_0438005.WRGT Yes
Does not Contain IPC_0438xxx_GT_Series_-2A-6A
0438006.WRGT FUSE 24V FA 0603 6A GT RoHS No 08/26/2008 PbFree No 08/26/2008 CoC_RoHS10_0438006.WRGT REACH205_Declaration_0438006.WRGT Yes
Does not Contain IPC_0438xxx_GT_Series_-2A-6A
043802.5WRGT FUSE 32V FA 0603 2.5A GT RoHS No 08/26/2008 PbFree No 08/26/2008 Yes
043803.5WRGT FUSE 32V FA 0603 3.5A GT RoHS No 08/26/2008 PbFree No 09/20/2017 CoC_RoHS10_043803.5WRGT REACH205_Declaration_043803.5WRGT Yes
Does not Contain IPC_043803.5WRGT
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