0603SFF Series - 0603 Size Lead-Free, Halogen Free, Fast-Acting Chip Fuse

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Disclaimer Notice

Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, 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.

Fast-acting chip fuses help provide overcurrent protection for systems using DC power sources up to 63VDC. The fuse’s monolithic, multilayer design helps provide the highest hold current in the smallest footprint, reduce diffusion-related aging, improve product reliability and resilience, and enhance high-temperature performance in a wide range of circuit designs.

These RoHS-compliant surface-mount devices offer strong arc suppression characteristics and help facilitate the development of more reliable, high-performance consumer electronics such as laptops, multimedia devices, cell phones and other portable electronics.


  • Small size with high current ratings
  • Temperature stability
  • High reliability and resilience
  • Strong arc suppression characteristics


  • Lead-free and RoHS compliant
  • Halogen free
  • High-temperature performance
  • -55°C to +125°C operating temperature range


  • Laptops
  • Digital cameras
  • Cell phones
  • Printers
  • DVD players
  • Portable electronics
  • Game systems
  • LCD monitors
  • Scanners

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)VDC (V)Resistance
Max Operating Temp (°C)SizeProduct
0603SFF050F/32-20.5630.4851250603Product SpecificationCheck
0603SFF075F/32-20.75630.2541250603Product SpecificationCheck
0603SFF100F/32-21630.1471250603Product SpecificationCheck
0603SFF150F/32-21.5630.0591250603Product SpecificationCheck
0603SFF200F/32-22320.0441250603Product SpecificationCheck
0603SFF250F/32-22.5320.0321250603Product SpecificationCheck
0603SFF300F/32-23320.0251250603Product SpecificationCheck
0603SFF350F/32-23.5320.0241250603Product SpecificationCheck
0603SFF400F/32-24320.0181250603Product SpecificationCheck
0603SFF500F/32-25320.0131250603Product SpecificationCheck
0603SFF600F/24-26240.011250603Product SpecificationCheck