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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Description Datasheet Availability Pricing (PEN) 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
Littelfuse Surface Mount Fuses 5A 32V 0603 FAST ACTING
Datasheet
8,333In Stock
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
Littelfuse Surface Mount Fuses 3.5A 32V 0603 FAST ACTING
Datasheet
4,441In Stock
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
Littelfuse Surface Mount Fuses 2.5A 32V 0603 FAST ACTING
Datasheet
5,860In Stock
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
Littelfuse Surface Mount Fuses 4A 32V 0603 FAST ACTING
Datasheet
1,455In Stock
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
Littelfuse Surface Mount Fuses 2A 32V 0603 FAST ACTING
Datasheet
3,702In Stock
3,000Expected 11/30/2026
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
Littelfuse Surface Mount Fuses 6A 24V 0603 FAST ACTING
Datasheet
2,004In Stock
3,000Expected 8/7/2026
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
Littelfuse Surface Mount Fuses 3A 32V 0603 FAST ACTING
Datasheet
1,824In Stock
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