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440 Series 1206 High I²t Ceramic SMD Fuses


The Littelfuse 440 series offers superior electrical performance in high-working ambient temperatures.


The Littelfuse 440 Series is a 100% lead-free, RoHS compliant and halogen-free fuse series designed specifically to provide over-current protection to circuits that operate under high working ambient temperatures up to 150°C and high inrush currents.

The 440 Series has the ultra-high I²t ratings of up to 12.95 A²Sec for eliminating nuisance fuse openings during momentary overload conditions. The series has a maximum fault current rating of 50A at the rated voltage and is 100% lead-free, halide-free and compliant to RoHS requirements. Datasheet

Littelfuse's 440 Series High I²t 1206-Size Ceramic SMD Fuses
Features Applications
  • Operating temperature from -55°C to +150°C
  • 100% lead-free and RoHS compliant
  • Suitable for both leaded and lead-free
    reflow / wave soldering
  • Ultra high I²t values
  • Automotive Electronics
  • LCD displays
  • Servers
  • Notebook computers
  • Printers
  • Scanners
  • Data modems
  • Hard disk drives

Digi-Key P/N Manufacturer P/N Description
F1610CT-ND 0440008.WR FUSE 32V HIGH I2T 1206 8A
F1605CT-ND 0440002.WR FUSE 32V HIGH I2T 1206 2A
F1606CT-ND 0440003.WR FUSE 32V HIGH I2T 1206 3A
F1607CT-ND 0440004.WR FUSE 32V HIGH I2T 1206 4A
F1608CT-ND 0440005.WR FUSE 32V HIGH I2T 1206 5A
F1609CT-ND 0440007.WR FUSE 32V HIGH I2T 1206 7A
F1612CT-ND 044002.5WR FUSE 32V HIGH I2T 1206 2.5A
F1615CT-ND 04401.75WR FUSE 32V HIGH I2T 1206 1.75A
F1613CT-ND 044003.5WR FUSE 32V HIGH I2T 1206 3.5A
See more 440 Series Fuses here