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.

Results: 8
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Type
Number of Outputs
Output Current
Current Limit
On Resistance - Max
On Time - Max
Operating Supply Voltage
Minimum Operating Temperature
Maximum Operating Temperature
Mounting Style
Package / Case
Series
Packaging
Littelfuse Power Switch ICs - Power Distribution 28V/6A Bi-directional load switch
Datasheet
4,420In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

2 Output 6 A 3.5 A - 40 C + 150 C SMD/SMT QFN-16 LS2406 Reel, Cut Tape, MouseReel
Littelfuse Power Switch ICs - Power Distribution 18V/5A load switch w/ BFET Control
Datasheet
6,474In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

3 Output 5 A 4 A 12 V - 40 C + 150 C SMD/SMT DFN-10 Reel, Cut Tape, MouseReel
Littelfuse Power Switch ICs - Power Distribution 5V, 4A Low Ron Load Switch
Datasheet
2,796In Stock
3,000Expected 11/12/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

1 Output 4 A 4.5 A - 40 C + 150 C SMD/SMT QFN-16 Reel, Cut Tape, MouseReel
Littelfuse Power Switch ICs - Power Distribution 28V/6A efuse with True RCB & FRS
Datasheet
10,896In Stock
10,000Expected 8/3/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Current Limit 2 Output 6 A 5 A 24 mOhms 500 us 3 V to 24 V - 40 C + 125 C SMD/SMT QFN-16 Reel, Cut Tape, MouseReel
Littelfuse Power Switch ICs - Power Distribution 5V/4A/30Vmax efuse with OCP & OVP
Datasheet
14,881In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Over-Voltage Protection 1 Output 4 A 3 A 50 mOhms 2.7 V to 6 V - 40 C + 125 C SMD/SMT SOT-23-3 Reel, Cut Tape, MouseReel
Littelfuse Power Switch ICs - Power Distribution 5V/5A/30Vmax efuse with OCP & OVP
Datasheet
10,950In Stock
9,000Expected 9/14/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Over-Voltage Protection 1 Output 5 A 5 A 50 mOhms 2.7 V to 6 V - 40 C + 125 C SMD/SMT DFN-8 Reel, Cut Tape, MouseReel
Littelfuse Power Switch ICs - Power Distribution 18V/5A efuse with OCP & Fault Indication
Datasheet
3,011In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

eFuse With Programmable Current Limit 3 Output 5 A 4 A 25 mOhms 2.7 V to 18 V - 40 C + 125 C SMD/SMT DFN-10 Reel, Cut Tape, MouseReel
Littelfuse Power Switch ICs - Power Distribution 18V/5A efuse with OCP & Voltage Clamp
Datasheet
1,859In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

eFuse With Programmable Current Limit 3 Output 5 A 4 A 25 mOhms 2.7 V to 18 V - 40 C + 125 C SMD/SMT DFN-10 Reel, Cut Tape, MouseReel