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 HITFET
Datasheet
14,836In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Low Side 1 Output 7 A 30 A 20 mOhms 42.2 us 139 us 3.3 V to 5.5 V - 40 C + 150 C SMD/SMT Reel, Cut Tape, MouseReel
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
10,175In 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
5,162In 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
7,727In 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
13,551In 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
4,958In 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
6,241In Stock
2,200Expected 05-03-2026
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
1,995In Stock
2,500Expected 02-03-2026
Min.: 1
Mult.: 1
Reel: 2,500

Low Side 1 Output 10 A 35 A 22 mOhms 115 us 210 us 3 V to 5.5 V - 40 C + 150 C SMD/SMT TO-252-5 Reel, Cut Tape
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
Datasheet
6,410In Stock
15,000Expected 23-02-2026
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
12,903In 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
4,750In Stock
5,000Expected 12-03-2026
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