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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 (CAD) 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: $2.20 6,399In 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	6,399In Stock	Cut Tape $2.20 $1.61 $1.47 $1.29 View Reel $0.976 $1.22 $1.17 $1.16 $1.08 $0.976 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
	Power Switch ICs - Power Distribution 5V, 4A Low Ron Load Switch LS0504EDD12 Littelfuse 1: $1.20 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 $1.20 $0.852 $0.768 $0.674 View Reel $0.54 $0.628 $0.602 $0.579 $0.54 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Current Regulator Diodes 24V, 5A Very Low Forward Voltage Diode LS2405IDD23 Littelfuse 1: $2.39 2,379In Stock 3,000Expected 2027-03-26	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	2,379In Stock 3,000Expected 2027-03-26	Cut Tape $2.39 $1.60 $1.33 $1.32 Reel $1.19 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Power Switch ICs - Power Distribution 28V/6A Bi-directional load switch LS24062RQ23 Littelfuse 1: $4.44 3,621In Stock	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	3,621In Stock	Cut Tape $4.44 $3.33 $3.05 $2.74 View Reel $2.38 $2.59 $2.55 $2.48 $2.45 $2.38 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
	Power Switch ICs - Power Distribution 28V/6A efuse with True RCB & FRS LS2406ERQ23 Littelfuse 1: $4.61 19,060In Stock 5,000Expected 2026-11-18	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	19,060In Stock 5,000Expected 2026-11-18	Cut Tape $4.61 $3.44 $3.15 $2.82 View Reel $2.38 $2.59 $2.55 $2.48 $2.45 $2.38 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
	Power Switch ICs - Power Distribution 5V/4A/30Vmax efuse with OCP & OVP LS0504EVT233 Littelfuse 1: $1.12 11,773In 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	11,773In Stock	Cut Tape $1.12 $0.785 $0.701 $0.609 View Reel $0.41 $0.566 $0.517 $0.481 $0.41 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Power Switch ICs - Power Distribution 5V/5A/30Vmax efuse with OCP & OVP LS0505EVD22 Littelfuse 1: $1.56 19,552In 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	19,552In Stock	Cut Tape $1.56 $1.08 $0.973 $0.848 View Reel $0.583 $0.791 $0.708 $0.664 $0.583 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Power Switch ICs - Power Distribution 18V/5A efuse with OCP & Fault Indication LS1205EFD33 Littelfuse 1: $2.55 2,901In 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	2,901In Stock	Cut Tape $2.55 $1.86 $1.68 $1.43 View Reel $1.08 $1.39 $1.22 $1.16 $1.12 $1.08 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
	Power Switch ICs - Power Distribution 18V/5A efuse with OCP & Voltage Clamp LS1205EVD33 Littelfuse 1: $2.55 1,855In 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	1,855In Stock	Cut Tape $2.55 $1.81 $1.68 $1.38 View Reel $1.08 $1.34 $1.19 $1.13 $1.10 $1.08 MouseReel Available	Min.: 1 Mult.: 1 : 5,000