155900 Series - Surface Mount 155 OMNI-BLOK®

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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 RoHS compliant 155 Series OMNI-BLOK® offers a solution for efficient installation and easy replacement of miniature Nano2® surface mount fuses. Offered bulk but also in a tape and reel package, this block can be installed on a PC board as an efficient single step. Fuse replacement can be accomplished without exposing the PC board to the detrimental effects of solder heat.


  • Easy fuse replacement
  • Miniature size
  • RoHS-compliant and Halogen-free
  • Very Fast-Acting and TimeLag options available
  • Holder sized to fit a range of Nano2® type fuses
  • Suitable for applications up to 125 V and 10 A
  • Wide operating temperature range
  • Heat-resistant fuseholder, UL94 V-0
  • 260 °C reflow capable fuseholder
  • Recognized to UL/CSA/NMX 4248-1


  • Chargers
  • Communication and Infotainment
  • DC Motor Drives; DC Power Outlet
  • Desktop and Notebook
  • DSL Modem Router
  • DVD Player and Recorder, MP3 Player
  • Frequency Converters
  • IP Camera and DVR Security System
  • Large Motor Drives For Fans
  • LCD TV
  • LIN Bus, Network Interface Device
  • Network Systems & Body
  • Power Line Network, Power Supply
  • Test Equipment, UPS Systems

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)Fuse TypeIndicatingVoltage Rating MaxMountingPartner ECAD ModelsStockSamplesCompare
01550900DR10NanoNo125PCB Mount01550900DRCheckOrder
01550900M10NanoNo125PCB Mount01550900MCheckOrder
Catalog # Certificates
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01550900M CSAiconcURiconuricon
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
01550900DR ACS NANO FUSEHLDR TAPE & REEL RoHS No 09/01/1998 PbFree No Yes
01550900M ACS NANO FUSEHLDR RoHS No 01/23/1998 PbFree No 01/23/1998 CoC_RoHS10_01550900M REACH211_Declaration_01550900M Yes
Does not Contain IPC_01550900M
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