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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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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) 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: HK$12.58 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 HK$12.58 HK$7.09 HK$6.51 HK$5.89 HK$5.75 Reel HK$5.75 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
	Power Switch ICs - Power Distribution 5V/5A/30Vmax efuse with OCP & OVP LS0505EVD22 Littelfuse 1: HK$7.89 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 HK$7.89 HK$5.55 HK$4.83 HK$4.35 Reel HK$2.93 View HK$3.93 HK$3.86 HK$3.57 HK$2.91 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Power Switch ICs - Power Distribution 5V, 4A Low Ron Load Switch LS0504EDD12 Littelfuse 1: HK$6.82 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 HK$6.82 HK$4.87 HK$4.38 HK$3.85 View Reel HK$3.08 HK$3.58 HK$3.44 HK$3.30 HK$3.08 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Current Regulator Diodes 24V, 5A Very Low Forward Voltage Diode LS2405IDD23 Littelfuse 1: HK$13.65 2,254In Stock 9,000Expected 1/3/2027	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 1/3/2027	Cut Tape HK$13.65 HK$9.12 HK$7.60 HK$7.56 Reel HK$6.78 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Power Switch ICs - Power Distribution 28V/6A efuse with True RCB & FRS LS2406ERQ23 Littelfuse 1: HK$26.30 18,874In Stock 5,000Expected 5/11/2026	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	18,874In Stock 5,000Expected 5/11/2026	Cut Tape HK$26.30 HK$19.65 HK$18.00 HK$16.11 View Reel HK$13.56 HK$14.80 HK$14.55 HK$14.14 HK$13.97 HK$13.56 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
	Power Switch ICs - Power Distribution 28V/6A Bi-directional load switch LS24062RQ23 Littelfuse 1: HK$25.32 87In Stock 5,000Expected 9/12/2026	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 9/12/2026	Cut Tape HK$25.32 HK$18.99 HK$17.43 HK$15.62 View Reel HK$13.56 HK$14.80 HK$14.55 HK$14.39 HK$14.22 HK$13.56 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
	Power Switch ICs - Power Distribution 5V/4A/30Vmax efuse with OCP & OVP LS0504EVT233 Littelfuse 1: HK$6.41 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 HK$6.41 HK$4.48 HK$4.00 HK$3.48 View Reel HK$2.34 HK$3.23 HK$2.95 HK$2.75 HK$2.34 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Power Switch ICs - Power Distribution 18V/5A efuse with OCP & Fault Indication LS1205EFD33 Littelfuse 1: HK$14.55 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 HK$14.55 HK$10.60 HK$9.62 HK$8.18 View Reel HK$6.17 HK$7.92 HK$6.96 HK$6.61 HK$6.37 HK$6.17 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
	Power Switch ICs - Power Distribution 18V/5A efuse with OCP & Voltage Clamp LS1205EVD33 Littelfuse 1: HK$14.55 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 HK$14.55 HK$10.36 HK$9.62 HK$7.86 View Reel HK$6.17 HK$7.64 HK$6.81 HK$6.48 HK$6.28 HK$6.17 MouseReel Available	Min.: 1 Mult.: 1 : 5,000