HITFET™ Smart Low-Side Switches

Infineon HITFET™ Smart Low-Side Switches are versatile power transistors ideally designed for automotive and industrial applications. Their built-in intelligence and protective features offer improved performance & reliability over conventional, discrete solutions. The HITFET Smart Low-Side Switches provide a higher level of protection with overtemperature, short circuit, overcurrent, overvoltage, and ESD. Infineon HITFET combines all these protection features in one easy-to-use device.

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Description Datasheet Availability Pricing (DKK) 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
Off Time - Max
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Infineon Technologies Power Switch ICs - Power Distribution SMART LW SIDE PWR 42V 4.6A
Datasheet
5.788In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

Low Side 1 Output 4.6 A 45 A 28 mOhms 120 us 120 us 1.3 V to 2.2 V - 40 C + 150 C SMD/SMT TO-252-3 HITFET AEC-Q100 Reel, Cut Tape, MouseReel
Infineon Technologies Power Switch ICs - Power Distribution 10mOhm SMART LW SIDE PWR SWITCH
Datasheet
3.956In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

Low Side 1 Output 7.8 A 70 A 10 mOhms 250 us 250 us 6 V to 45 V - 40 C + 150 C SMD/SMT TO-252-5 HITFET AEC-Q100 Reel, Cut Tape, MouseReel
Infineon Technologies Power Switch ICs - Power Distribution SMART LW SIDE PWR 42V 3.5A
Datasheet
208In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

Low Side 1 Output 3.5 A 24 A 50 mOhms 100 us 100 us - 40 C + 150 C SMD/SMT TO-252-3 HITFET AEC-Q100 Reel, Cut Tape, MouseReel
Infineon Technologies Power Switch ICs - Power Distribution HITFET
Datasheet
2.196In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

Low Side 1 Output 3 A 15 A 135 mOhms 76 us 130 us 4 V to 5.5 V - 40 C + 150 C SMD/SMT TO-252-3 HITFET AEC-Q100 Reel, Cut Tape, MouseReel
Infineon Technologies Power Switch ICs - Power Distribution HITFET SMART LOW SIDE
Datasheet
1.417In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

Low Side 1 Output 350 mA 600 mA 700 mOhms 38 us 45 us - 40 C + 150 C SMD/SMT SOIC-8 HITFET AEC-Q100 Reel, Cut Tape, MouseReel
Infineon Technologies Power Switch ICs - Power Distribution HITFET
Datasheet
5.986Expected 23/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Low Side 1 Output 4 A 10 A 100 mOhms 2.8 us 4 us 3 V to 5.5 V - 40 C + 150 C SMD/SMT TDSO-8 BTF3050EJ Reel, Cut Tape, MouseReel
Infineon Technologies Power Switch ICs - Power Distribution HITFET
Datasheet
6.000Expected 05/03/2026
Min.: 1
Mult.: 1
Reel: 3.000

Low Side 1 Output 3 A 7 A 160 mOhms 2.8 us 4 us 3 V to 5.5 V - 40 C + 150 C SMD/SMT TDSO-8 BTF3080EJ Reel, Cut Tape