437 Series - 1206 Size Lead-Free, Halogen Free, High Temperature Very Fast-Acting Ceramic Fuse

Series: 437
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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.

This 100% Lead-free, RoHS compliant and Halogen-free fuse series has been designed specifically to provide over current protection to circuits that see high working ambient temperatures (up to 150ºC).
The general design ensures excellent temperature stability and performance reliability.
In addition to this, the high I²t values typical of the Littelfuse Ceramic Fuse family ensure high inrush current withstand capability.

Features:
  • Operating Temperature from -55ºC to +150ºC
  • 100% Lead-free, HalogenFree and RoHS compliant
  • Suitable for both leaded and lead-free reflow / wave soldering

Applications:

  • LCD Displays
  • Servers
  • Printers
  • Scanners
  • Data Modems

Access specifications, certifications, check availability and order parts below

Catalog #VDC (V)VAC (V)Nominal Melting I2T (A2sec)Resistance
(Ω)		BodyMSLOpeningOperating TemperatureStockSamplesCompare
0437.2501251250.0032.29CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°CCheckOrder
0437.3751251250.011.33CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°CCheckOrder
0437.50063630.0180.908CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°CCheckOrder
0437.75063630.0640.665CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°CCheckOrder
043700163630.10.36CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°CCheckOrder
043700263630.28420.062CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°CCheckOrder
043700332320.40.033CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°CCheckOrder
043700432321.0240.022CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°CCheckOrder
043700532321.9360.016CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°CCheckOrder
043700732324.90.01CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°CCheckOrder
043700832326.40.0087CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°CCheckOrder
043701.563630.1580.209CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°CCheckOrder
043702.532320.38860.043CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°CCheckOrder
043703.532320.5760.027CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°CCheckOrder
04371.2563630.11170.318CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°CCheckOrder
04371.7563630.24690.071CeramicIPC/JEDEC J-STD-020C Level 1Fast-Acting (F)-55° to 150°CCheckOrder
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
0437.250WR FUSE 125V FA 1206 .250A RoHS No 06/06/2008 PbFree No Yes
0437.375WR FUSE 125V FA 1206 .375A RoHS No 06/06/2008 PbFree No Yes
0437.500WR FUSE 63V FA 1206 .500A RoHS No 06/06/2008 PbFree No Yes
0437.750WR FUSE 63V FA 1206 .750A RoHS No 06/06/2008 PbFree No Yes
0437001.WR FUSE 63V FA 1206 1A RoHS No 06/06/2008 PbFree No Yes
0437002.WR FUSE 63V FA 1206 2A RoHS No 06/06/2008 PbFree No Yes
0437003.WR FUSE 63V FA 1206 3A RoHS No 06/06/2008 PbFree No Yes
0437004.WR FUSE 63V FA 1206 4A RoHS No 06/06/2008 PbFree No Yes
0437005.WR FUSE 63V FA 1206 5A RoHS No 06/06/2008 PbFree No Yes
0437007.WR FUSE 35V FA 1206 7A RoHS No 06/06/2008 PbFree No Yes
0437008.WR FUSE 35V FA 1206 8A RoHS No 06/06/2008 PbFree No Yes
043701.5WR FUSE 63V FA 1206 1.5A RoHS No 06/06/2008 PbFree No Yes
043702.5WR FUSE 63V FA 1206 2.5A RoHS No 06/06/2008 PbFree No Yes
043703.5WR FUSE 63V FA 1206 3.5A RoHS No 06/06/2008 PbFree No Yes
04371.25WR FUSE 63V FA 1206 1.25A RoHS No 06/06/2008 PbFree No Yes
04371.75WR FUSE 63V FA 1206 1.75A RoHS No 06/06/2008 PbFree No 06/06/2008 Yes
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