BUKx Automotive MOSFETs

Nexperia BUKx Automotive MOSFETs are logic-level N-channel MOSFETs featuring TrenchMOS technology. Designed and qualified to meet AEC-Q101 standards, the Nexperia BUKx MOSFETs are ideal for demanding automotive applications, including 12V systems, motor control, and start-stop micro-hybrid systems. The MOSFETs offer excellent thermal performance with a maximum operating temperature of +175°C, making the devices suitable for thermally challenging environments.

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Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Technology
Mounting Style
Package/Case
Transistor Polarity
Number of Channels
Vds - Drain-Source Breakdown Voltage
Id - Continuous Drain Current
Rds On - Drain-Source Resistance
Vgs - Gate-Source Voltage
Vgs th - Gate-Source Threshold Voltage
Qg - Gate Charge
Minimum Operating Temperature
Maximum Operating Temperature
Pd - Power Dissipation
Channel Mode
Packaging
Nexperia MOSFETs BUK9Y4R4-40E/SOT669/LFPAK
Datasheet
205In Stock
1,500Expected 07/12/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 40 V 100 A 3.7 mOhms - 10 V, 10 V 1.7 V 26.8 nC - 55 C + 175 C 147 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y4R8-60E/SOT669/LFPAK
Datasheet
3,000Expected 14/12/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 60 V 100 A 3.3 mOhms - 15 V, 15 V 1.7 V 50 nC - 55 C + 175 C 238 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs SOT669 N-CH 60V 100A
Datasheet
9,000Expected 06/07/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56-5 N-Channel 1 Channel 60 V 100 A 4.8 mOhms - 20 V, 20 V 2.4 V 73.1 nC - 55 C + 175 C 238 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y3R0-40E/SOT669/LFPAK
Datasheet
10,500Expected 23/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 40 V 100 A 2.47 mOhms - 15 V, 15 V 1.7 V 35.5 nC - 55 C + 175 C 194 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y59-60E/SOT669/LFPAK
Datasheet
11,800Expected 23/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 60 V 16.7 A 51 mOhms - 10 V, 10 V 1.7 V 6.1 nC - 55 C + 175 C 37 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK7613-60E/SOT404/D2PAK
Datasheet
4,800Expected 08/02/2027
MouseReel Available
Min.: 1
Mult.: 1
Reel: 800

Si SMD/SMT D2PAK-3 (TO-263-3) N-Channel 1 Channel 60 V 58 A 9.44 mOhms - 20 V, 20 V 3 V 22.9 nC - 55 C + 175 C 96 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK7K6R8-40E/SOT1205/LFPAK56D
Datasheet
4,475Expected 08/02/2027
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56D-8 N-Channel 2 Channel 40 V 40 A 5.8 mOhms - 20 V, 20 V 3 V 28.9 nC - 55 C + 175 C 64 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs SOT669 N-CH 80V 100A
Datasheet
4,500On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56-5 N-Channel 1 Channel 80 V 100 A 5.9 mOhms - 20 V, 20 V 3 V 63.3 nC - 55 C + 175 C 238 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9K18-40E/SOT1205/LFPAK56D
Datasheet
15,833On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56D-8 N-Channel 2 Channel 40 V 30 A 17.1 mOhms - 15 V, 15 V 1.7 V 14.5 nC - 55 C + 175 C 38 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9K29-100E/SOT1205/LFPAK56D
Datasheet
4,250Expected 30/11/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56D-8 N-Channel 2 Channel 100 V 30 A 25.1 mOhms - 15 V, 15 V 1.7 V 5.6 nC - 55 C + 175 C 68 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9K35-60E/SOT1205/LFPAK56D
Datasheet
8,985Expected 08/02/2027
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56D-8 N-Channel 2 Channel 60 V 22 A 32 mOhms - 10 V, 10 V 1.4 V 7.8 nC - 55 C + 175 C 38 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9K6R2-40E/SOT1205/LFPAK56D
Datasheet
2,976Expected 23/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56D-8 N-Channel 2 Channel 40 V 40 A 5.27 mOhms - 15 V, 15 V 1.7 V 35.4 nC - 55 C + 175 C 68 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y25-60E/SOT669/LFPAK
Datasheet
12,000Expected 14/12/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 60 V 34 A 21.5 mOhms - 10 V, 10 V 1.4 V 12 nC - 55 C + 175 C 65 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y25-80E/SOT669/LFPAK
Datasheet
8,531Expected 07/12/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 80 V 37 A 22.2 mOhms - 15 V, 15 V 1.7 V 17.1 nC - 55 C + 175 C 95 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y41-80E/SOT669/LFPAK
Datasheet
9,000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 80 V 24 A 35.7 mOhms - 10 V, 10 V 1.7 V 11.9 nC - 55 C + 175 C 64 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs SOT669 N-CH 40V 52A
Datasheet
3,000Expected 14/12/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 40 V 52 A 9.3 mOhms - 20 V, 20 V 3 V 15 nC - 55 C + 175 C 65 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs SOT669 N-CH 40V 33A
Datasheet
1,500Expected 08/02/2027
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56-5 N-Channel 1 Channel 40 V 33 A 17.8 mOhms - 20 V, 20 V 3 V 10 nC - 55 C + 175 C 45 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs SOT669 N-CH 60V 34A
Datasheet
1,902Expected 08/02/2027
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56-5 N-Channel 1 Channel 60 V 34 A 15.7 mOhms - 20 V, 20 V 3 V 16.1 nC - 55 C + 175 C 64 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs SOT669 N-CH 40V 100A
Datasheet
1,481Expected 21/12/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56-5 N-Channel 1 Channel 40 V 100 A 3.3 mOhms - 20 V, 20 V 3 V 39 nC - 55 C + 175 C 147 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9K52-60E/SOT1205/LFPAK56D
Datasheet
2,987Expected 08/02/2027
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56D-8 N-Channel 2 Channel 60 V 16 A 47.3 mOhms - 15 V, 15 V 1.7 V 5.6 nC - 55 C + 175 C 32 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs SOT669 N-CH 80V 11.8A
Datasheet
1,465Expected 19/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56-5 N-Channel 1 Channel 80 V 11.8 A 98 mOhms - 10 V, 10 V 1.4 V 6.2 nC - 55 C + 175 C 37 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y21-40E/SOT669/LFPAK
Datasheet
6,000Expected 19/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 40 V 33 A 17 mOhms - 10 V, 10 V 1.4 V 7 nC - 55 C + 175 C 45 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y38-100E/SOT669/LFPAK
Datasheet
1,500Expected 07/12/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 100 V 30 A 31.3 mOhms - 10 V, 10 V 1.7 V 21.6 nC - 55 C + 175 C 94.9 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y7R6-40E/SOT669/LFPAK
Datasheet
3,000Expected 27/10/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 40 V 79 A 6.4 mOhms - 15 V, 15 V 1.7 V 16.4 nC - 55 C + 175 C 95 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs SOT669 100V 49A
Datasheet
Non-Stocked Lead-Time 10 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56-5 N-Channel 1 Channel 100 V 49 A 14.2 mOhms - 20 V, 20 V 3 V 47 nC - 55 C + 175 C 147 W Enhancement Reel, Cut Tape, MouseReel