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438GT Surface Mount Thin Film Fuses

Littelfuse 438GT Surface Mount High I²T 0603 Thin Film Fuses are designed to provide overcurrent protection to circuits that operate under high working ambient temperatures up to +150°C. The general design of the Littelfuse 438GT ensures high temperature stability and performance reliability. The high I²T values of these 2A to 6A fuses ensure high inrush current withstand capability. Applications include 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 (CHF) 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 3.5A 32V 0603 FAST ACTING 043803.5WRGT Littelfuse 1: CHF 1.25 4’441In Stock	Mfr. Part No. 043803.5WRGT Mouser Part No 576-043803.5WRGT	Littelfuse	Surface Mount Fuses 3.5A 32V 0603 FAST ACTING Learn More about Littelfuse 438gt	Datasheet	4’441In Stock	Cut Tape CHF 1.25 CHF 1.11 CHF 1.06 CHF 0.854 View Reel CHF 0.526 CHF 0.731 CHF 0.699 CHF 0.607 CHF 0.559 CHF 0.526 MouseReel Available	Min.: 1 Mult.: 1 : 3’000			438	Surface Mount Ceramic Fuses	Fast Blow	3.5 A	12 VAC	32 VDC	50 A, 50 A	0603 (1608 metric)	- 55 C	+ 150 C	Reel, Cut Tape, MouseReel	20.5 mOhms
	Surface Mount Fuses 4A 32V 0603 FAST ACTING 0438004.WRGT Littelfuse 1: CHF 1.06 1’380In Stock	Mfr. Part No. 0438004.WRGT Mouser Part No 576-0438004.WRGT	Littelfuse	Surface Mount Fuses 4A 32V 0603 FAST ACTING Learn More about Littelfuse 438gt	Datasheet	1’380In Stock	Cut Tape CHF 1.06 CHF 0.934 CHF 0.885 CHF 0.752 View Reel CHF 0.526 CHF 0.687 CHF 0.648 CHF 0.595 CHF 0.559 CHF 0.526 MouseReel Available	Min.: 1 Mult.: 1 : 3’000			438	Surface Mount Ceramic Fuses	Fast Blow	4 A	12 VAC	32 VDC	50 A, 50 A	0603 (1608 metric)	- 55 C	+ 150 C	Reel, Cut Tape, MouseReel	17.7 mOhms
	Surface Mount Fuses 3A 32V 0603 FAST ACTING 0438003.WRGT Littelfuse 1: CHF 1.35 1’634In Stock	Mfr. Part No. 0438003.WRGT Mouser Part No 576-0438003.WRGT	Littelfuse	Surface Mount Fuses 3A 32V 0603 FAST ACTING Learn More about Littelfuse 438gt	Datasheet	1’634In Stock	Cut Tape CHF 1.35 CHF 1.15 CHF 1.08 CHF 0.885 View Reel CHF 0.526 CHF 0.785 CHF 0.729 CHF 0.665 CHF 0.658 CHF 0.526 MouseReel Available	Min.: 1 Mult.: 1 : 3’000			438	Surface Mount Ceramic Fuses	Fast Blow	3 A	12 VAC	32 VDC	50 A, 50 A	0603 (1608 metric)	- 55 C	+ 150 C	Reel, Cut Tape, MouseReel	26.4 mOhms
	Surface Mount Fuses 2A 32V 0603 FAST ACTING 0438002.WRGT Littelfuse 1: CHF 1.35 2’311In Stock 3’000Expected 11/16/2026	Mfr. Part No. 0438002.WRGT Mouser Part No 576-0438002.WRGT	Littelfuse	Surface Mount Fuses 2A 32V 0603 FAST ACTING Learn More about Littelfuse 438gt	Datasheet	2’311In Stock 3’000Expected 11/16/2026	Cut Tape CHF 1.35 CHF 1.15 CHF 1.08 CHF 0.885 View Reel CHF 0.737 CHF 0.785 CHF 0.737 CHF 0.737 MouseReel Available	Min.: 1 Mult.: 1 : 3’000			438	Surface Mount Ceramic Fuses	Fast Blow	2 A	12 VAC	32 VDC	50 A, 50 A	0603 (1608 metric)	- 55 C	+ 150 C	Reel, Cut Tape, MouseReel	49 mOhms
	Surface Mount Fuses 5A 32V 0603 FAST ACTING 0438005.WRGT Littelfuse 1: CHF 1.25 4’081In Stock	Mfr. Part No. 0438005.WRGT Mouser Part No 576-0438005.WRGT	Littelfuse	Surface Mount Fuses 5A 32V 0603 FAST ACTING Learn More about Littelfuse 438gt	Datasheet	4’081In Stock	Cut Tape CHF 1.25 CHF 1.09 CHF 1.01 CHF 0.845 View Reel CHF 0.578 CHF 0.753 CHF 0.699 CHF 0.633 CHF 0.58 CHF 0.578 MouseReel Available	Min.: 1 Mult.: 1 : 3’000			438	Surface Mount Ceramic Fuses	Fast Blow	5 A	12 VAC	32 VDC	50 A, 50 A	0603 (1608 metric)	- 55 C	+ 150 C	Reel, Cut Tape, MouseReel	11.5 mOhms
	Surface Mount Fuses 6A 24V 0603 FAST ACTING 0438006.WRGT Littelfuse 1: CHF 1.39 4’304In Stock	Mfr. Part No. 0438006.WRGT Mouser Part No 576-0438006.WRGT	Littelfuse	Surface Mount Fuses 6A 24V 0603 FAST ACTING Learn More about Littelfuse 438gt	Datasheet	4’304In Stock	Cut Tape CHF 1.39 CHF 1.21 CHF 1.11 CHF 0.926 View Reel CHF 0.578 CHF 0.829 CHF 0.762 CHF 0.688 CHF 0.636 CHF 0.578 MouseReel Available	Min.: 1 Mult.: 1 : 3’000			438	Surface Mount Ceramic Fuses	Fast Blow	6 A	12 VAC	24 VDC	50 A, 50 A	0603 (1608 metric)	- 55 C	+ 150 C	Reel, Cut Tape, MouseReel	8.6 mOhms
	Surface Mount Fuses 2.5A 32V 0603 FAST ACTING 043802.5WRGT Littelfuse 1: CHF 1.23 4’550In Stock	Mfr. Part No. 043802.5WRGT Mouser Part No 576-043802.5WRGT	Littelfuse	Surface Mount Fuses 2.5A 32V 0603 FAST ACTING Learn More about Littelfuse 438gt	Datasheet	4’550In Stock	Cut Tape CHF 1.23 CHF 1.11 CHF 1.06 CHF 0.854 View Reel CHF 0.578 CHF 0.731 CHF 0.699 CHF 0.607 CHF 0.578 CHF 0.578 MouseReel Available	Min.: 1 Mult.: 1 : 3’000			438	Surface Mount Ceramic Fuses	Fast Blow	2.5 A	12 VAC	32 VDC	50 A, 50 A	0603 (1608 metric)	- 55 C	+ 150 C	Reel, Cut Tape, MouseReel	36.4 mOhms