438 Series - 0603 Size Lead-Free, Halogen Free, High Temperature Very Fast-Acting Ceramic Fuse

Series: 438
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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 438 Series is a 100% Lead-free, RoHS compliant and Halogen-free fuse series designed specifically to provide over-current protection to circuits that operate under high working ambient temperature up to 150°C. The general design ensures excellent temperature stability and performance reliability. The high I²t values which is typical in the Littelfuse Ceramic Fuse family ensure high inrush current withstand capability.

Features:
  • Operating Temperature from -55°C to +150°C
  • 100% Lead-free, RoHS compliant and Halogenfree
  • Suitable for both leaded and lead-free reflow / wave soldering
Applications:
  • Handheld Electronics
  • LCD Displays
  • Battery Packs
  • Hard Disk Drives
  • SD Memory Cards

Access specifications, certifications, check availability and order parts below

Catalog #VDC (V)VAC (V)Nominal Melting I2T (A2sec)Resistance
(Ω)		BodyMSLOpeningOperating TemperaturePartner ECAD ModelsStockSamplesCompare
0438.25063320.00172.218CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C0438.250CheckOrder
0438.37563320.00411.247CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C0438.375CheckOrder
0438.50063320.010.829CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C0438.500CheckOrder
0438.75063320.02810.466CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C0438.750CheckOrder
0438001.63320.05930.31CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C0438001.CheckOrder
0438002.320.1490.051CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C0438002.CheckOrder
0438003.320.29220.0255CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C0438003.CheckOrder
0438004.320.6920.017CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C0438004.CheckOrder
0438005.320.73980.0115CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C0438005.CheckOrder
0438006.241.38380.0085CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C0438006.CheckOrder
043801.563320.09020.174CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C043801.5CheckOrder
043802.532320.19770.0324CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C043802.5CheckOrder
043803.532320.47520.0205CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C043803.5CheckOrder
04381.2532320.0510.2CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C04381.25CheckOrder
04381.7563320.1441.405CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°C04381.75CheckOrder
Catalog # Certificates
Sorting icon
0438.250 CSAiconTUVicon
0438.375 CSAiconTUVicon
0438.500 CSAiconTUVicon
0438.750 CSAiconTUVicon
0438001. CSAiconTUVicon
0438002. CSAiconTUVicon
0438003. CSAiconTUVicon
0438004. CSAiconTUVicon
0438005. CSAiconTUVicon
0438006. CSAiconTUVicon
043801.5 CSAiconTUVicon
043802.5 CSAiconTUVicon
043803.5 CSAiconTUVicon
04381.25 CSAiconTUVicon
04381.75 CSAiconTUVicon
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
0438.250WR FUSE 63V FA 0603 .250A RoHS No 08/26/2008 PbFree No CoC_RoHS10_0438.250WR REACH_SVHC Declaration_0438.250WR Yes
Does not Contain IPC_0438.250WR
0438.375WR FUSE 63V FA 0603 .375A RoHS No 08/26/2008 PbFree No CoC_RoHS10_0438.375WR REACH209_Declaration_0438.375WR Yes
Does not Contain IPC_438xxxWR_(0.25-1.75A)
0438.500WR FUSE 63V FA 0603 .500A RoHS No 08/26/2008 PbFree No CoC_RoHS10_0438.500WR REACH_SVHC Declaration_0438.500WR Yes
Does not Contain IPC_0438.500WR
0438.750WR FUSE 63V FA 0603 .750A RoHS No 08/26/2008 PbFree No CoC_RoHS10_0438.750WR REACH_SVHC Declaration_0438.750WR Yes
Does not Contain IPC_0438.750WR
0438001.WR FUSE 63V FA 0603 1A RoHS No 08/26/2008 PbFree No CoC_RoHS10_0438001.WR REACH209_Declaration_0438001.WR Yes
Does not Contain IPC_0438001.WR
0438002.WR FUSE 32V FA 0603 2A RoHS No 08/26/2008 PbFree No CoC_RoHS10_0438002.WR REACH_SVHC Declaration_0438002.WR Yes
Does not Contain IPC_0438002.WR
0438003.WR FUSE 32V FA 0603 3A RoHS No 08/26/2008 PbFree No CoC_RoHS10_0438003.WR REACH_SVHC Declaration_0438003.WR Yes
Does not Contain IPC_438xxx-2-6A-WR
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0438004.WR FUSE 32V FA 0603 4A RoHS No 08/26/2008 PbFree No REACH209_Declaration_0438004.WR Yes
Does not Contain IPC_438xxx-2-6A-WR
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0438005.WR FUSE 32V FA 0603 5A RoHS No 08/26/2008 PbFree No CoC_RoHS10_0438005.WR REACH_SVHC Declaration_0438005.WR Yes
Does not Contain IPC_438xxx-2-6A-WR
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0438006.WR FUSE 24V FA 0603 6A RoHS No 08/26/2008 PbFree No 08/26/2008 CoC_RoHS10_0438006.WR REACH205_Declaration_0438006.WR Yes
Does not Contain IPC_438xxx-2-6A-WR
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043801.5WR FUSE 63V FA 0603 1.5A RoHS No 08/26/2008 PbFree No CoC_RoHS10_043801.5WR REACH_SVHC Declaration_043801.5WR Yes
Does not Contain IPC_043801.5WR
043802.5WR FUSE 32V FA 0603 2.5A RoHS No 08/26/2008 PbFree No 08/26/2008 REACH209_Declaration_043802.5WR Yes
Does not Contain IPC_438xxx-2-6A-WR
043803.5WR FUSE 32V FA 0603 3.5A RoHS No 08/26/2008 PbFree No CoC_RoHS10_043803.5WR REACH191_Declaration_043803.5WR Yes
Does not Contain IPC_438xxx-2-6A-WR
04381.25WR FUSE 63V FA 0603 1.25A RoHS No 08/26/2008 PbFree No REACH209_Declaration_04381.25WR Yes
Does not Contain
04381.75WR FUSE 63V FA 0603 1.75A RoHS No 08/26/2008 PbFree No CoC_RoHS10_04381.75WR REACH209_Declaration_04381.75WR Yes
Does not Contain IPC_04381.75WR
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