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Protection eFuse ICs

Littelfuse Protection eFuse ICs provide a robust defence 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 (CHF) 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: CHF 1.24 6’204In Stock	Mfr. Part No. LS12052BD33 Mouser Part No 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 CHF 1.24 CHF 0.695 CHF 0.637 CHF 0.577 CHF 0.563 Reel CHF 0.563 MouseReel Available	Min.: 1 Mult.: 1 : 5’000
	Power Switch ICs - Power Distribution 5V/5A/30Vmax efuse with OCP & OVP LS0505EVD22 Littelfuse 1: CHF 0.773 18’882In Stock	Mfr. Part No. LS0505EVD22 Mouser Part No 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 CHF 0.773 CHF 0.544 CHF 0.474 CHF 0.426 View Reel CHF 0.297 CHF 0.385 CHF 0.378 CHF 0.349 CHF 0.297 MouseReel Available	Min.: 1 Mult.: 1 : 3’000
	Power Switch ICs - Power Distribution 5V, 4A Low Ron Load Switch LS0504EDD12 Littelfuse 1: CHF 0.668 4’922In Stock	Mfr. Part No. LS0504EDD12 Mouser Part No 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 CHF 0.668 CHF 0.476 CHF 0.429 CHF 0.376 View Reel CHF 0.302 CHF 0.351 CHF 0.336 CHF 0.324 CHF 0.302 MouseReel Available	Min.: 1 Mult.: 1 : 3’000
	Current Regulator Diodes 24V, 5A Very Low Forward Voltage Diode LS2405IDD23 Littelfuse 1: CHF 1.34 2’254In Stock 9’000Expected 3/1/2027	Mfr. Part No. LS2405IDD23 Mouser Part No 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 CHF 1.34 CHF 0.894 CHF 0.745 CHF 0.74 Reel CHF 0.665 MouseReel Available	Min.: 1 Mult.: 1 : 3’000
	Power Switch ICs - Power Distribution 28V/6A efuse with True RCB & FRS LS2406ERQ23 Littelfuse 1: CHF 2.57 18’764In Stock 5’000Expected 11/5/2026	Mfr. Part No. LS2406ERQ23 Mouser Part No 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 CHF 2.57 CHF 1.93 CHF 1.76 CHF 1.58 View Reel CHF 1.33 CHF 1.45 CHF 1.42 CHF 1.39 CHF 1.37 CHF 1.33 MouseReel Available	Min.: 1 Mult.: 1 : 5’000
	Power Switch ICs - Power Distribution 28V/6A Bi-directional load switch LS24062RQ23 Littelfuse 1: CHF 2.48 87In Stock 5’000Expected 12/9/2026	Mfr. Part No. LS24062RQ23 Mouser Part No 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 CHF 2.48 CHF 1.86 CHF 1.70 CHF 1.53 View Reel CHF 1.33 CHF 1.45 CHF 1.42 CHF 1.41 CHF 1.39 CHF 1.33 MouseReel Available	Min.: 1 Mult.: 1 : 5’000
	Power Switch ICs - Power Distribution 5V/4A/30Vmax efuse with OCP & OVP LS0504EVT233 Littelfuse 1: CHF 0.628 11’750In Stock	Mfr. Part No. LS0504EVT233 Mouser Part No 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 CHF 0.628 CHF 0.439 CHF 0.392 CHF 0.341 View Reel CHF 0.229 CHF 0.316 CHF 0.289 CHF 0.269 CHF 0.229 MouseReel Available	Min.: 1 Mult.: 1 : 3’000
	Power Switch ICs - Power Distribution 18V/5A efuse with OCP & Fault Indication LS1205EFD33 Littelfuse 1: CHF 1.42 2’849In Stock	Mfr. Part No. LS1205EFD33 Mouser Part No 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 CHF 1.42 CHF 1.04 CHF 0.945 CHF 0.801 View Reel CHF 0.604 CHF 0.776 CHF 0.681 CHF 0.647 CHF 0.624 CHF 0.604 MouseReel Available	Min.: 1 Mult.: 1 : 5’000
	Power Switch ICs - Power Distribution 18V/5A efuse with OCP & Voltage Clamp LS1205EVD33 Littelfuse 1: CHF 1.42 1’845In Stock	Mfr. Part No. LS1205EVD33 Mouser Part No 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 CHF 1.42 CHF 1.01 CHF 0.945 CHF 0.769 View Reel CHF 0.604 CHF 0.749 CHF 0.666 CHF 0.635 CHF 0.615 CHF 0.604 MouseReel Available	Min.: 1 Mult.: 1 : 5’000