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Protection eFuse ICs

Littelfuse Protection eFuse ICs provide a robust defense against overcurrent damage. The eFuse IC portfolio includes a variety of diodes, load switches, and limit switches that offer a 2.7V to 28V input voltage range and a temperature range of -40°C to +125°C or +150°C. Littelfuse Protection eFuse ICs are suitable for a broad variety of applications, including battery devices, BLUETOOTH® headsets, storage for hard-disk drives (HDDs) and solid-state drives (SSDs), adapter-powered devices, and much more.

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Types of Semiconductors

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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
	Power Switch ICs - Power Distribution 18V/5A load switch w/ BFET Control LS12052BD33 Littelfuse 1: $1.53 6,204In Stock	Mfr. Part # LS12052BD33 Mouser Part # 576-LS12052BD33	Littelfuse	Power Switch ICs - Power Distribution 18V/5A load switch w/ BFET Control Learn More about Littelfuse ls12052bd33 efuse	Datasheet	6,204In Stock	Cut Tape $1.53 $0.863 $0.792 $0.716 $0.70 Reel $0.70 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
	Power Switch ICs - Power Distribution 5V/5A/30Vmax efuse with OCP & OVP LS0505EVD22 Littelfuse 1: $0.96 18,882In Stock	Mfr. Part # LS0505EVD22 Mouser Part # 576-LS0505EVD22	Littelfuse	Power Switch ICs - Power Distribution 5V/5A/30Vmax efuse with OCP & OVP Learn More about Littelfuse ls0505evd22 efuse ic	Datasheet	18,882In Stock	Cut Tape $0.96 $0.675 $0.588 $0.529 Reel $0.356 View $0.478 $0.47 $0.434 $0.354 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Power Switch ICs - Power Distribution 5V, 4A Low Ron Load Switch LS0504EDD12 Littelfuse 1: $0.83 4,922In Stock	Mfr. Part # LS0504EDD12 Mouser Part # 576-LS0504EDD12	Littelfuse	Power Switch ICs - Power Distribution 5V, 4A Low Ron Load Switch Learn More about Littelfuse ls0504edd12 load switch	Datasheet	4,922In Stock	Cut Tape $0.83 $0.592 $0.533 $0.468 View Reel $0.375 $0.436 $0.418 $0.402 $0.375 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Current Regulator Diodes 24V, 5A Very Low Forward Voltage Diode LS2405IDD23 Littelfuse 1: $1.66 2,254In Stock 9,000Expected 3/1/2027	Mfr. Part # LS2405IDD23 Mouser Part # 576-LS2405IDD23	Littelfuse	Current Regulator Diodes 24V, 5A Very Low Forward Voltage Diode Learn More about Littelfuse ls2405idd23 diode	Datasheet	2,254In Stock 9,000Expected 3/1/2027	Cut Tape $1.66 $1.11 $0.925 $0.92 Reel $0.825 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Power Switch ICs - Power Distribution 28V/6A efuse with True RCB & FRS LS2406ERQ23 Littelfuse 1: $3.20 18,764In Stock 5,000Expected 11/5/2026	Mfr. Part # LS2406ERQ23 Mouser Part # 576-LS2406ERQ23	Littelfuse	Power Switch ICs - Power Distribution 28V/6A efuse with True RCB & FRS Learn More about Littelfuse ls2406erq23 efuse ic	Datasheet	18,764In Stock 5,000Expected 11/5/2026	Cut Tape $3.20 $2.39 $2.19 $1.96 View Reel $1.65 $1.80 $1.77 $1.72 $1.70 $1.65 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
	Power Switch ICs - Power Distribution 28V/6A Bi-directional load switch LS24062RQ23 Littelfuse 1: $3.08 87In Stock 5,000Expected 12/9/2026	Mfr. Part # LS24062RQ23 Mouser Part # 576-LS24062RQ23	Littelfuse	Power Switch ICs - Power Distribution 28V/6A Bi-directional load switch Learn More about Littelfuse ls24062rq23 bidirectional efuse	Datasheet	87In Stock 5,000Expected 12/9/2026	Cut Tape $3.08 $2.31 $2.12 $1.90 View Reel $1.65 $1.80 $1.77 $1.75 $1.73 $1.65 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
	Power Switch ICs - Power Distribution 5V/4A/30Vmax efuse with OCP & OVP LS0504EVT233 Littelfuse 1: $0.78 11,750In Stock	Mfr. Part # LS0504EVT233 Mouser Part # 576-LS0504EVT233	Littelfuse	Power Switch ICs - Power Distribution 5V/4A/30Vmax efuse with OCP & OVP Learn More about Littelfuse ls0504evt233 efuse ic	Datasheet	11,750In Stock	Cut Tape $0.78 $0.545 $0.487 $0.423 View Reel $0.285 $0.393 $0.359 $0.334 $0.285 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Power Switch ICs - Power Distribution 18V/5A efuse with OCP & Fault Indication LS1205EFD33 Littelfuse 1: $1.77 2,849In Stock	Mfr. Part # LS1205EFD33 Mouser Part # 576-LS1205EFD33	Littelfuse	Power Switch ICs - Power Distribution 18V/5A efuse with OCP & Fault Indication Learn More about Littelfuse ls1205exd33 efuse ics	Datasheet	2,849In Stock	Cut Tape $1.77 $1.29 $1.17 $0.995 View Reel $0.75 $0.964 $0.847 $0.804 $0.775 $0.75 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
	Power Switch ICs - Power Distribution 18V/5A efuse with OCP & Voltage Clamp LS1205EVD33 Littelfuse 1: $1.77 1,845In Stock	Mfr. Part # LS1205EVD33 Mouser Part # 576-LS1205EVD33	Littelfuse	Power Switch ICs - Power Distribution 18V/5A efuse with OCP & Voltage Clamp Learn More about Littelfuse ls1205exd33 efuse ics	Datasheet	1,845In Stock	Cut Tape $1.77 $1.26 $1.17 $0.956 View Reel $0.75 $0.93 $0.828 $0.788 $0.764 $0.75 MouseReel Available	Min.: 1 Mult.: 1 : 5,000