443E Series - 443E Series - NANO2® High Breaking Capacity 250V Surface Mount Fuse

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The 443E Series is a Nano2®, 250 V fuse. It is a surface mount Universal Modular Fuse (UMF) that complies with IEC 60127-4. It is RoHS-compliant and fully compatible with lead-free solder alloy and higher temperature profiles associated with lead-free assembly.


  • 250 VAC/VDC voltage rating with 200 A interrupting rating
  • Slo-Blo® Fuse
  • RoHS-compliant
  • Fully compatible with leadfree solder alloys and higher temperature profiles associated with lead-free assembly


  • AC/DC power adaptor
  • Telecom equipment system power
  • Portable system built-in AC/DC converter

Access specifications, certifications, check availability and order parts below

Catalog #VDC (V)VAC (V)Nominal Melting I2T (A2sec)Resistance
BodyMin Operating Temp (°C)Max Operating Temp (°C)OpeningPartner ECAD ModelsStockSamples
04431.25ERE2502503.970.1Ceramic-55125Slo-Blo/Time Lag (T)/Time Delay04431.25ERECheckOrder
Catalog # Certificates
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04431.25ERE curusvdecqcumf
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s)
04431.25ERE FUSE 205V TL HBC NANO2 RoHS 1.25A RoHS No 04/05/2018 PbFree No 04/05/2018 CoC_RoHS9_04431.25ERE_09-16-2021 REACH219_Declaration_(Contain)_04431.25ERE_09-16-2021 Yes
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