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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 (USD) 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	Melting I2t	Fuse Size / Group	Minimum Operating Temperature	Maximum Operating Temperature	Resistance	Packaging
	Surface Mount Fuses 3.5A 32V 0603 FAST ACTING 043803.5WRGT Littelfuse 1: $1.50 4,391In Stock	Mfr. Part # 043803.5WRGT Mouser Part # 576-043803.5WRGT	Littelfuse	Surface Mount Fuses 3.5A 32V 0603 FAST ACTING Learn More about Littelfuse 438gt	Datasheet	4,391In Stock	Cut Tape $1.50 $1.39 $1.15 $1.06 View Reel $0.627 $0.951 $0.877 $0.808 $0.627 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	0.4752 A2sec	0603 (1608 metric)	- 55 C	+ 150 C	20.5 mOhms	Reel, Cut Tape, MouseReel
	Surface Mount Fuses 4A 32V 0603 FAST ACTING 0438004.WRGT Littelfuse 1: $1.12 1,260In Stock	Mfr. Part # 0438004.WRGT Mouser Part # 576-0438004.WRGT	Littelfuse	Surface Mount Fuses 4A 32V 0603 FAST ACTING Learn More about Littelfuse 438gt	Datasheet	1,260In Stock	Cut Tape $1.12 $1.03 $0.893 $0.84 View Reel $0.627 $0.783 $0.742 $0.702 $0.627 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	0.692 A2sec	0603 (1608 metric)	- 55 C	+ 150 C	17.7 mOhms	Reel, Cut Tape, MouseReel
	Surface Mount Fuses 2A 32V 0603 FAST ACTING 0438002.WRGT Littelfuse 1: $1.59 2,385In Stock 1,926Expected 11/25/2026	Mfr. Part # 0438002.WRGT Mouser Part # 576-0438002.WRGT	Littelfuse	Surface Mount Fuses 2A 32V 0603 FAST ACTING Learn More about Littelfuse 438gt	Datasheet	2,385In Stock 1,926Expected 11/25/2026	Cut Tape $1.59 $1.46 $1.19 $1.09 View Reel $0.718 $0.984 $0.901 $0.831 $0.718 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	0.149 A2sec	0603 (1608 metric)	- 55 C	+ 150 C	49 mOhms	Reel, Cut Tape, MouseReel
	Surface Mount Fuses 5A 32V 0603 FAST ACTING 0438005.WRGT Littelfuse 1: $1.50 3,961In Stock	Mfr. Part # 0438005.WRGT Mouser Part # 576-0438005.WRGT	Littelfuse	Surface Mount Fuses 5A 32V 0603 FAST ACTING Learn More about Littelfuse 438gt	Datasheet	3,961In Stock	Cut Tape $1.50 $1.33 $1.10 $1.01 View Reel $0.718 $0.919 $0.845 $0.785 $0.718 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	0.7398 A2sec	0603 (1608 metric)	- 55 C	+ 150 C	11.5 mOhms	Reel, Cut Tape, MouseReel
	Surface Mount Fuses 2.5A 32V 0603 FAST ACTING 043802.5WRGT Littelfuse 1: $1.52 4,410In Stock	Mfr. Part # 043802.5WRGT Mouser Part # 576-043802.5WRGT	Littelfuse	Surface Mount Fuses 2.5A 32V 0603 FAST ACTING Learn More about Littelfuse 438gt	Datasheet	4,410In Stock	Cut Tape $1.52 $1.38 $1.31 $1.06 View Reel $0.718 $0.908 $0.869 $0.753 $0.718 $0.718 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	0.1977 A2sec	0603 (1608 metric)	- 55 C	+ 150 C	36.4 mOhms	Reel, Cut Tape, MouseReel
	Surface Mount Fuses 6A 24V 0603 FAST ACTING 0438006.WRGT Littelfuse 1: $1.50 1,304In Stock 3,000Expected 5/17/2027	Mfr. Part # 0438006.WRGT Mouser Part # 576-0438006.WRGT	Littelfuse	Surface Mount Fuses 6A 24V 0603 FAST ACTING Learn More about Littelfuse 438gt	Datasheet	1,304In Stock 3,000Expected 5/17/2027	Cut Tape $1.50 $1.39 $1.15 $1.06 Reel $0.665 View $0.952 $0.878 $0.809 $0.627 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	1.3838 A2sec	0603 (1608 metric)	- 55 C	+ 150 C	8.6 mOhms	Reel, Cut Tape, MouseReel
	Surface Mount Fuses 3A 32V 0603 FAST ACTING 0438003.WRGT Littelfuse 1: $1.50 Non-Stocked Lead-Time 27 Weeks	Mfr. Part # 0438003.WRGT Mouser Part # 576-0438003.WRGT	Littelfuse	Surface Mount Fuses 3A 32V 0603 FAST ACTING Learn More about Littelfuse 438gt	Datasheet	Non-Stocked Lead-Time 27 Weeks	Cut Tape $1.50 $1.39 $1.15 $1.06 View Reel $0.627 $0.952 $0.877 $0.809 $0.627 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	0.2922 A2sec	0603 (1608 metric)	- 55 C	+ 150 C	26.4 mOhms	Reel, Cut Tape, MouseReel