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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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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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: ¥254.1 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 ¥254.1 ¥143.3 ¥131.7 ¥118.8 View Reel ¥109 ¥112.6 ¥109.1 ¥109 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
	Power Switch ICs - Power Distribution 5V/5A/30Vmax efuse with OCP & OVP LS0505EVD22 Littelfuse 1: ¥179.4 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 ¥179.4 ¥125.1 ¥112.3 ¥97.8 View Reel ¥67.3 ¥91.2 ¥81.7 ¥76.6 ¥67.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Power Switch ICs - Power Distribution 5V, 4A Low Ron Load Switch LS0504EDD12 Littelfuse 1: ¥137.9 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 ¥137.9 ¥98.3 ¥88.5 ¥77.7 View Reel ¥62.3 ¥72.4 ¥69.4 ¥66.8 ¥62.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Current Regulator Diodes 24V, 5A Very Low Forward Voltage Diode LS2405IDD23 Littelfuse 1: ¥275.7 2,258In 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	2,258In Stock 9,000Expected 3/1/2027	Cut Tape ¥275.7 ¥184.4 ¥153.6 ¥152.8 Reel ¥137 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Power Switch ICs - Power Distribution 28V/6A Bi-directional load switch LS24062RQ23 Littelfuse 1: ¥511.6 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 ¥511.6 ¥383.7 ¥352.1 ¥315.6 View Reel ¥274.1 ¥299 ¥294 ¥285.7 ¥282.4 ¥274.1 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
	Power Switch ICs - Power Distribution 28V/6A efuse with True RCB & FRS LS2406ERQ23 Littelfuse 1: ¥531.5 18,964In Stock 5,000Expected 11/18/2026	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	18,964In Stock 5,000Expected 11/18/2026	Cut Tape ¥531.5 ¥397 ¥363.8 ¥325.6 View Reel ¥274.1 ¥299 ¥294 ¥285.7 ¥282.4 ¥274.1 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
	Power Switch ICs - Power Distribution 5V/4A/30Vmax efuse with OCP & OVP LS0504EVT233 Littelfuse 1: ¥129.6 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 ¥129.6 ¥90.5 ¥80.9 ¥70.3 View Reel ¥47.3 ¥65.3 ¥59.6 ¥55.5 ¥47.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Power Switch ICs - Power Distribution 18V/5A efuse with OCP & Fault Indication LS1205EFD33 Littelfuse 1: ¥294 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 ¥294 ¥214.3 ¥194.3 ¥165.3 View Reel ¥124.6 ¥160.1 ¥140.7 ¥133.5 ¥128.7 ¥124.6 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
	Power Switch ICs - Power Distribution 18V/5A efuse with OCP & Voltage Clamp LS1205EVD33 Littelfuse 1: ¥294 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 ¥294 ¥209.3 ¥194.3 ¥158.8 View Reel ¥124.6 ¥154.5 ¥137.5 ¥130.9 ¥126.9 ¥124.6 MouseReel Available	Min.: 1 Mult.: 1 : 5,000