441 Series 0603 High I2t SMD Ceramic Fuse

Littelfuse 441 series features ultra high in-rush current withstand capability

Littelfuse 100% lead- and halogen-free, RoHS compliant fuse series has been designed specifically to provide overcurrent protection to circuits that see high working ambient temperatures (up to 150°C) and high inrush currents. The general design ensures excellent temperature stability and performance reliability. Additionally, this high I²t fuse series is designed to have ultra high inrush current withstand capability to avoid nuisance fuse opening.   441 Series Datasheet
Littelfuse 441 Series Fuses

  Features   Applications
  • Very high nominal melting I2t
  • Fast response to faulty current
  • Operating temperature -55°C to 150°C
  • Highly improved thermal de-rating curve
  • Current rating 2A to 6A
  • 100% lead- and halide-free, RoHS compliant
  • Suitable for leaded or lead-free reflow/wave soldering
  • UL and CSA agency approval
  • Handheld electronics
  • LCD displays
  • Battery packs
  • Hard disk drives
  • SD memory cards
  • Automotive electronics
RoHS Compliant

Available in Tape & Reel (TR-ND), Cut Tape (CT-ND), and custom Digi-Reel® (DKR-ND)
Part Number
Part Number
Voltage -
Current Package Size / Dimension  
F3531TR-ND 0441002.WR 2A 32V 0603
(1608 Metric)
0.063" L x 0.031" W x 0.020" H
(1.60mm x 0.80mm x 0.50mm)
441 Series Datasheet
F3532TR-ND 044102.5WR 2.5A
F3533TR-ND 0441003.WR 3A
F3534TR-ND 044103.5WR 3.5A
F3535TR-ND 0441004.WR 4A
F3536TR-ND 0441005.WR 5A
F3537TR-ND 0441006.WR 6A