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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Infineon Technologies Power Switch ICs - Power Distribution NPN Silicon AF TRANSISTOR
Datasheet
25 468In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4 000

Low Side 1 Output 1.8 A 7.5 A 200 mOhms 100 us 100 us - 40 C + 150 C SMD/SMT SOT-223-4 HITFET Reel, Cut Tape, MouseReel

Infineon Technologies Power Switch ICs - Power Distribution NPN Silicon AF TRANSISTOR
Datasheet
8 179In Stock
8 000Expected 02/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4 000

Low Side 1 Output 1.8 A 7.5 A 200 mOhms 100 us 100 us - 40 C + 150 C SMD/SMT SOT-223-4 HITFET Reel, Cut Tape, MouseReel

Infineon Technologies Power Switch ICs - Power Distribution SMART LW SIDE PWR 42V 3A
Datasheet
22 685In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4 000

Low Side 1 Output 3 A 24 A 50 mOhms 100 us 100 us - 40 C + 150 C SMD/SMT SOT-223-4 HITFET Reel, Cut Tape, MouseReel

Infineon Technologies Power Switch ICs - Power Distribution SMART LW SIDE PWR 42V 3A
Datasheet
5 157In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4 000

Low Side 1 Output 3 A 24 A 50 mOhms 100 us 100 us - 40 C + 150 C SMD/SMT SOT-223-4 HITFET Reel, Cut Tape, MouseReel
Infineon Technologies Power Switch ICs - Power Distribution SMART LW SIDE PWR 42V 1.4A
Datasheet
7 637In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4 000

Low Side 1 Output 1.4 A 7.5 A 200 mOhms 100 us 100 us 1.3 V to 2.2 V - 40 C + 150 C SMD/SMT SOT-223-4 HITFET Reel, Cut Tape, MouseReel

Infineon Technologies Power Switch ICs - Power Distribution SMART LW SIDE PWR 42V 3A
Datasheet
24 952In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4 000

Low Side 1 Output 3 A 24 A 50 mOhms 100 us 100 us 1.3 V to 2.2 V - 40 C + 150 C SMD/SMT SOT-223-4 HITFET Reel, Cut Tape, MouseReel
Infineon Technologies Power Switch ICs - Power Distribution HITFET IC PWR SWITCH LOW SIDE 0.55A
Datasheet
12 501In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2 500

Low Side 2 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 SMART LW SIDE PWR 42V 1.3A
Datasheet
4 943In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2 500

Low Side 1 Output 1.3 A 7.5 A 200 mOhms 100 us 100 us 1.3 V to 2.2 V - 40 C + 150 C SMD/SMT SOIC-8 HITFET AEC-Q100 Reel, Cut Tape, MouseReel
Infineon Technologies Power Switch ICs - Power Distribution HITFET
Datasheet
9 045In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3 000

Low Side 1 Output 5 A 14 A 70 mOhms 2.8 us 4 us 3 V to 5.5 V - 40 C + 150 C SMD/SMT TDSO-8 BTF3035EJ Reel, Cut Tape, MouseReel
Infineon Technologies Power Switch ICs - Power Distribution HITFET
Datasheet
5 986In Stock
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
2 441In Stock
6 000Expected 06/03/2026
Min.: 1
Mult.: 1
Reel: 3 000

Low Side 1 Output 2 A 5 A 250 mOhms 2.8 us 4 us 3 V to 5.5 V - 40 C + 150 C SMD/SMT TDSO-8 BTF3125EJ Reel, Cut Tape
Infineon Technologies Power Switch ICs - Power Distribution SMART LW SIDE PWR 42V 2.4A
Datasheet
1 499In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2 500

High Side 1 Output 2.4 A 15 A 100 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 SMART LW SIDE PWR 42V 4.6A
Datasheet
2 656In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2 500

Low Side 1 Output 5.5 A 45 A 28 mOhms 120 us 120 us 10 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
Datasheet
1 944In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1 000

Low Side 1 Output 6 A 30 A 44 mOhms 100 us 160 us 2 V to 10 V - 40 C + 150 C SMD/SMT D2PAK-3 (TO-263-3) HITFET AEC-Q100 Reel, Cut Tape, MouseReel
Infineon Technologies Power Switch ICs - Power Distribution HITFET
Datasheet
1 787In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2 500

Low Side 1 Output 5 A 18 A 50 mOhms 100 us 120 us 60 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 LOWSIDE PWR SW
Datasheet
4 181In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2 500

Low Side 1 Output 5 A 18 A 28 mOhms 100 us 120 us 2 V to 10 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 LOWSIDE PWR SW
Datasheet
3 623In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2 500

Low Side 1 Output 5 A 18 A 28 mOhms 100 us 120 us 2 V to 10 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
Datasheet
21 410In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3 000

Low Side 1 Output 5 A 20 A 70 mOhms 115 us 210 us 3 V to 5.5 V - 40 C + 150 C SMD/SMT HITFET AEC-Q100 Reel, Cut Tape, MouseReel
Infineon Technologies Power Switch ICs - Power Distribution HITFET
Datasheet
12 891In Stock
Min.: 1
Mult.: 1
Reel: 2 500

Low Side 1 Output 5 A 20 A 70 mOhms 115 us 210 us 3 V to 5.5 V - 40 C + 150 C SMD/SMT HITFET AEC-Q100 Reel, Cut Tape
Infineon Technologies Power Switch ICs - Power Distribution HITFET SMART LOWSIDE PWR SW
Datasheet
1 411In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2 500

Low Side 1 Output 3.6 A 10 A 46 mOhms 100 us 120 us 2 V to 10 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 LOWSIDE PWR SW
Datasheet
2 926In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2 500

Low Side 1 Output 3.6 A 10 A 46 mOhms 100 us 120 us 2 V to 10 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 LOWSIDE PWR SW
Datasheet
6 238In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2 500

Low Side 1 Output 3.6 A 10 A 46 mOhms 100 us 120 us 2 V to 10 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 LOWSIDE PWR SW
Datasheet
2 250In Stock
2 500Expected 01/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2 500

Low Side 1 Output 3.6 A 10 A 46 mOhms 100 us 120 us 2 V to 10 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 LOWSIDE PWR SW
Datasheet
9 943In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2 500
Low Side 1 Output 2 A 6 A 104 mOhms 120 us 200 us 2 V to 10 V - 40 C + 150 C SMD/SMT TO-252-3 HITFET AEC-Q100 Reel, Cut Tape, MouseReel
Infineon Technologies Power Switch ICs - Power Distribution SMART LW SIDE PWR 42V 4.6A
Datasheet
3 222In 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