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 SMART LW SIDE PWR SWITCH 42V 2.17A
Datasheet
48,611In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

Low Side 1 Output 2.17 A 15 A 100 mOhms 100 us 100 us 10 V - 40 C + 150 C SMD/SMT SOT-223-4 HITFET Reel, Cut Tape, MouseReel
Infineon Technologies Power Switch ICs - Power Distribution HITFET
Datasheet
10,954In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Low Side 1 Output 7.5 A 42 A 10 mOhms 22 us 24 us 5.5 V to 30 V - 40 C + 150 C SMD/SMT TO-252-5 HITFET AEC-Q100 Reel, Cut Tape, MouseReel

Infineon Technologies Power Switch ICs - Power Distribution HITFET IC PWR SWITCH LOW SIDE 0.64A
Datasheet
15,962In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

Low Side 1 Output 640 mA 7.5 A 500 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 NPN Silicon AF TRANSISTOR
Datasheet
23,191In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 HITFET SMART LOW SIDE
Datasheet
8,392In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 SMART LW SIDE PWR 42V 3.5A
Datasheet
2,445In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
12,442In Stock
Min.: 1
Mult.: 1
: 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 SMART LW SIDE PWR 42V 4.6A
Datasheet
3,218In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 SMART LW SIDE PWR 42V 2.4A
Datasheet
1,415In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 HITFET SMART LOWSIDE PWR SW
Datasheet
5,865In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
Datasheet
6,026In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 LOWSIDE PWR SW
Datasheet
9,896In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
5,029In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 HITFET
Datasheet
5,326In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
12,198In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Low Side 1 Output 3 A 30 A 100 mOhms 15 us 30 us 3 V to 5.5 V - 40 C + 150 C SMD/SMT TO-252-5 HITFET AEC-Q100 Reel, Cut Tape, MouseReel
Infineon Technologies Power Switch ICs - Power Distribution HITFET
Datasheet
4,975In Stock
Min.: 1
Mult.: 1
: 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
Infineon Technologies Power Switch ICs - Power Distribution HITFET SMART LOWSIDE PWR SW
Datasheet
3,696In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 SMART LW SIDE PWR 42V 2.4A
Datasheet
4,001In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Low Side 1 Output 2.4 A 15 A 100 mOhms 100 us 100 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
4,884In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Low Side 1 Output 7.5 A 42 A 10 mOhms 10 us 15 us 5.5 V to 30 V - 40 C + 150 C SMD/SMT TO-252-5 HITFET AEC-Q100 Reel, Cut Tape, MouseReel
Infineon Technologies Power Switch ICs - Power Distribution HITFET SMART LOWSIDE PWR SW
Datasheet
9,461In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Low Side 1 Output 2 A 6 A 104 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 LOW SIDE
Datasheet
1,367In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 BTS3134D
Infineon Technologies Power Switch ICs - Power Distribution SMART LW SIDE PWR 42V 3.5A
Datasheet
1,617In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Low Side 2 Output 3.5 A 24 A 90 mOhms 100 us 100 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
1,810In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Low Side 1 Output 2 A 7 A 250 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 SMART LW SIDE PWR 42V 1.4A
Datasheet
53,258In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 NPN Silicon AF TRANSISTOR
Datasheet
10,326In Stock
12,000Expected 9/17/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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