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 (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Type
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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 2/23/2026
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 3/5/2026
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