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
21.976In 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 SMART LW SIDE PWR 42V 2.17A
Datasheet
33.631In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Low Side 1 Output 2.1 A 15 A 100 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
Datasheet
21.184In Stock
10.000Expected 12/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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, MouseReel

Infineon Technologies Power Switch ICs - Power Distribution SMART LW SIDE PWR 42V 1.4A
Datasheet
53.164In 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 SMART LW SIDE PWR 42V 2.17A
Datasheet
14.547In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Low Side 1 Output 2.1 A 15 A 100 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
2.811In Stock
8.000Expected 15/04/2027
MouseReel Available
Min.: 1
Mult.: 1
: 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 HITFET
Datasheet
3.000In Stock
9.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 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
4.823In Stock
21.000On Order
Min.: 1
Mult.: 1
: 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 3.5A
Datasheet
1.863In 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 SMART LW SIDE PWR 42V 4.6A
Datasheet
2.115In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
3.070In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
1.770In Stock
12.500On Order
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 HITFET
Datasheet
8.084In Stock
12.000Expected 04/02/2027
MouseReel Available
Min.: 1
Mult.: 1
: 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 SMART LOWSIDE PWR SW
Datasheet
1.646In 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 SMART LOWSIDE PWR SW
Datasheet
6.452In Stock
22.500On Order
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 SMART LOWSIDE PWR SW
Datasheet
6.931In 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 SMART LW SIDE PWR 42V 3A
Datasheet
4.432In Stock
8.000Expected 07/01/2027
MouseReel Available
Min.: 1
Mult.: 1
: 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 SMART LW SIDE PWR 42V 3A
Datasheet
6.411In Stock
12.000Expected 18/02/2027
MouseReel Available
Min.: 1
Mult.: 1
: 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 10mOhm SMART LW SIDE PWR SWITCH
Datasheet
4.654In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 10mOhm SMART LW SIDE PWR SWITCH
Datasheet
2.446In Stock
2.500Expected 26/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 1.3A
Datasheet
8.819In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

Low Side 2 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 SMART LW SIDE PWR 42V 1.3A
Datasheet
4.305In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
3.196In Stock
26.800On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Low Side 1 Output 16 A 63 mOhms 17 us 44.2 us 3.3 V to 5.5 V - 40 C + 150 C SMD/SMT TDSO-8 Reel, Cut Tape, MouseReel

Infineon Technologies Power Switch ICs - Power Distribution SMART LW SIDE PWR 42V 3A
Datasheet
8In Stock
8.000Expected 28/01/2027
MouseReel Available
Min.: 1
Mult.: 1
: 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 2.4A
Datasheet
499In 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