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441 0603 I²t Fuses

Littelfuse 441 0603 I²t Fuses are surface-mount devices for circuits requiring high working ambient temperatures (up to 150°C) and high inrush currents. These devices feature excellent temperature stability, performance reliability, and fast response characteristics. The series has high inrush current withstand (I²t) ratings up to 2.6A²S (6A current rating) for eliminating nuisance fuse open during momentary overload conditions. Littelfuse 441 0603 I²t Fuses are designed for use in handheld electronics, LCD displays, battery packs, hard disk drives, and SD memory cards.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PHP) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Series	Product	Fuse Type	Current Rating	Voltage Rating AC	Voltage Rating DC	Interrupt Rating	Fuse Size / Group	Minimum Operating Temperature	Maximum Operating Temperature	Packaging	Resistance
	Surface Mount Fuses FUSE 32V HIGH I2T 0603 2A 0441002.WR Littelfuse 1: ₱97.55 27,981In Stock	Mfr. Part # 0441002.WR Mouser Part # 576-0441002.WR	Littelfuse	Surface Mount Fuses FUSE 32V HIGH I2T 0603 2A Learn More about Littelfuse 0603 i2t fuses	Datasheet	27,981In Stock	Cut Tape ₱97.55 ₱87.12 ₱80.98 ₱67.49 View Reel ₱42.88 ₱58.96 ₱54.91 ₱48.83 ₱45.03 ₱42.88 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			441	Surface Mount Ceramic Fuses	Fast Blow	2 A	32 VAC	32 VDC	50 A	0603 (1608 metric)	- 55 C	+ 150 C	Reel, Cut Tape, MouseReel	30.2 mOhms
	Surface Mount Fuses FUSE 32V HIGH I2T 0603 6A 0441006.WR Littelfuse 1: ₱106.14 19,963In Stock	Mfr. Part # 0441006.WR Mouser Part # 576-0441006.WR	Littelfuse	Surface Mount Fuses FUSE 32V HIGH I2T 0603 6A Learn More about Littelfuse 0603 i2t fuses	Datasheet	19,963In Stock	Cut Tape ₱106.14 ₱87.73 ₱78.53 ₱68.71 View Reel ₱44.05 ₱59.08 ₱54.17 ₱49.69 ₱46.81 ₱44.05 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			441	Surface Mount Ceramic Fuses	Fast Blow	6 A	32 VAC	32 VDC	50 A	0603 (1608 metric)	- 55 C	+ 150 C	Reel, Cut Tape, MouseReel	5.6 mOhms
	Surface Mount Fuses FUSE 32V HIGH I2T 0603 3A 0441003.WR Littelfuse 1: ₱111.04 11,715In Stock	Mfr. Part # 0441003.WR Mouser Part # 576-0441003.WR	Littelfuse	Surface Mount Fuses FUSE 32V HIGH I2T 0603 3A Learn More about Littelfuse 0603 i2t fuses	Datasheet	11,715In Stock	Cut Tape ₱111.04 ₱92.03 ₱85.28 ₱70.55 View Reel ₱38.53 ₱65.03 ₱58.22 ₱53.87 ₱49.63 ₱38.53 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			441	Surface Mount Ceramic Fuses	Fast Blow	3 A	32 VAC	32 VDC	50 A	0603 (1608 metric)	- 55 C	+ 150 C	Reel, Cut Tape, MouseReel	15.8 mOhms
	Surface Mount Fuses FUSE 32V HIGH I2T 0603 5A 0441005.WR Littelfuse 1: ₱106.75 5,568In Stock	Mfr. Part # 0441005.WR Mouser Part # 576-0441005.WR	Littelfuse	Surface Mount Fuses FUSE 32V HIGH I2T 0603 5A Learn More about Littelfuse 0603 i2t fuses	Datasheet	5,568In Stock	Cut Tape ₱106.75 ₱95.09 ₱84.66 ₱73.01 View Reel ₱44.79 ₱63.19 ₱58.28 ₱52.58 ₱48.59 ₱44.79 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			441	Surface Mount Ceramic Fuses	Fast Blow	5 A	32 VAC	32 VDC	50 A	0603 (1608 metric)	- 55 C	+ 150 C	Reel, Cut Tape, MouseReel	7.3 mOhms
	Surface Mount Fuses FUSE 32V HIGH I2T 0603 2.5A 044102.5WR Littelfuse 1: ₱97.55 2,402In Stock	Mfr. Part # 044102.5WR Mouser Part # 576-044102.5WR	Littelfuse	Surface Mount Fuses FUSE 32V HIGH I2T 0603 2.5A Learn More about Littelfuse 0603 i2t fuses	Datasheet	2,402In Stock	Cut Tape ₱97.55 ₱84.66 ₱78.53 ₱65.64 View Reel ₱42.88 ₱57.91 ₱53.25 ₱47.73 ₱44.05 ₱42.88 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			441	Surface Mount Ceramic Fuses	Fast Blow	2.5 A	32 VAC	32 VDC	50 A	0603 (1608 metric)	- 55 C	+ 150 C	Reel, Cut Tape, MouseReel	20 mOhms
	Surface Mount Fuses FUSE 32V HIGH I2T 0603 4A 0441004.WR Littelfuse 1: ₱117.79 116In Stock 6,000Expected 02/11/2026	Mfr. Part # 0441004.WR Mouser Part # 576-0441004.WR	Littelfuse	Surface Mount Fuses FUSE 32V HIGH I2T 0603 4A Learn More about Littelfuse 0603 i2t fuses	Datasheet	116In Stock 6,000Expected 02/11/2026	Cut Tape ₱117.79 ₱97.55 ₱90.18 ₱74.85 View Reel ₱44.05 ₱69.33 ₱57.12 ₱51.04 ₱46.99 ₱44.05 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			441	Surface Mount Ceramic Fuses	Fast Blow	4 A	32 VAC	32 VDC	50 A	0603 (1608 metric)	- 55 C	+ 150 C	Reel, Cut Tape, MouseReel	9.7 mOhms
	Surface Mount Fuses FUSE 32V HIGH I2T 0603 3.5A 044103.5WR Littelfuse 1: ₱95.09 2,997Expected 07/12/2026	Mfr. Part # 044103.5WR Mouser Part # 576-044103.5WR	Littelfuse	Surface Mount Fuses FUSE 32V HIGH I2T 0603 3.5A Learn More about Littelfuse 0603 i2t fuses	Datasheet	2,997Expected 07/12/2026	Cut Tape ₱95.09 ₱85.28 ₱79.76 ₱65.64 View Reel ₱47.06 ₱55.34 ₱53.25 ₱47.12 ₱47.06 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			441	Surface Mount Fuses	Fast Blow	3.5 A	32 VAC	32 VDC	50 A	0603 (1608 metric)	- 55 C	+ 150 C	Reel, Cut Tape, MouseReel	11.7 mOhms