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 (CAD) 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 BUK9Y22-100E/SOT669/LFPAK
Datasheet
1,620In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 100 V 49 A 17.4 mOhms - 10 V, 10 V 1.7 V 35.8 nC - 55 C + 175 C 147 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y29-40E/SOT669/LFPAK
Datasheet
2,674In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 40 V 25 A 25.8 mOhms - 10 V, 10 V 1.7 V 5 nC - 55 C + 175 C 37 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y3R5-40E/SOT669/LFPAK
Datasheet
1,253In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 40 V 100 A 3.6 mOhms - 10 V, 10 V 1.4 V 30.2 nC - 55 C + 175 C 167 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y65-100E/SOT669/LFPAK
Datasheet
44In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 100 V 19 A 51.4 mOhms - 15 V, 15 V 1.7 V 14 nC - 55 C + 175 C 64 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y72-80E/SOT669/LFPAK
Datasheet
413In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 80 V 15 A 65 mOhms - 15 V, 15 V 1.7 V 7.9 nC - 55 C + 175 C 45 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y7R2-60E/SOT669/LFPAK
Datasheet
373In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 60 V 100 A 5.4 mOhms - 15 V, 15 V 1.7 V 35 nC - 55 C + 175 C 167 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y8R7-60E/SOT669/LFPAK
Datasheet
999In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 60 V 86 A 6.8 mOhms - 15 V, 15 V 1.7 V 31 nC - 55 C + 175 C 147 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK7K25-40E/SOT1205/LFPAK56D
Datasheet
36In Stock
1,500Expected 2026-12-21
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56D-8 N-Channel 2 Channel 40 V 27 A 21.25 mOhms - 20 V, 20 V 3 V 7.9 nC - 55 C + 175 C 32 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK7K5R1-30E/SOT1205/LFPAK56D
Datasheet
914In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56D-8 N-Channel 2 Channel 30 V 40 A 4.34 mOhms - 20 V, 20 V 3 V 31.1 nC - 55 C + 175 C 68 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK7K5R6-30E/SOT1205/LFPAK56D
Datasheet
1,118In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56D-8 N-Channel 2 Channel 30 V 40 A 4.76 mOhms - 20 V, 20 V 3 V 29.7 nC - 55 C + 175 C 64 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs SOT1205 2NCH 40V 40A
Datasheet
1,289In Stock
4,500Expected 2027-02-08
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 32.3 nC - 55 C + 175 C 68 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs SOT669 N-CH 60V 53A
Datasheet
324In Stock
7,500Expected 2026-11-17
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56-5 N-Channel 1 Channel 60 V 53 A 9.6 mOhms - 20 V, 20 V 3 V 25.41 nC - 55 C + 175 C 94 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs SOT669 100V 9.4A
Datasheet
2,178In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56-5 N-Channel 1 Channel 100 V 9.4 A 104 mOhms - 20 V, 20 V 3 V 9.4 nC - 55 C + 175 C 37.3 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs SOT669 N-CH 60V 22A
Datasheet
347In Stock
1,500Expected 2026-02-19
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56-5 N-Channel 1 Channel 60 V 22 A 29.8 mOhms - 20 V, 20 V 3 V 10.4 nC - 55 C + 175 C 45 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs SOT669 N-CH 60V 100A
Datasheet
230In Stock
7,500Expected 2026-12-01
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56-5 N-Channel 1 Channel 60 V 100 A 6 mOhms - 20 V, 20 V 2.4 V 45.4 nC - 55 C + 175 C 195 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9637-100E/SOT404/D2PAK
Datasheet
102In Stock
4,800Expected 2026-06-30
MouseReel Available
Min.: 1
Mult.: 1
Reel: 800

Si SMD/SMT D2PAK-3 (TO-263-3) N-Channel 1 Channel 100 V 31 A 31 mOhms - 15 V, 15 V 1.7 V 22.8 nC - 55 C + 175 C 96 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK963R3-60E/SOT404/D2PAK
Datasheet
98In Stock
9,600On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 800

Si SMD/SMT D2PAK-3 (TO-263-3) N-Channel 1 Channel 60 V 120 A 2.73 mOhms - 15 V, 15 V 1.7 V 95 nC - 55 C + 175 C 293 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs SOT1205 100V 26A N-CH
Datasheet
79In Stock
1,500Expected 2027-02-08
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-56D-8 N-Channel 2 Channel 100 V 26 A 26.6 mOhms - 15 V, 15 V 1.7 V 27.3 nC - 55 C + 175 C 64 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9K35-100L/SOT1205/LFPAK56D
Datasheet
173In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT Power SO-8 N-Channel 2 Channel 100 V 23 A 35 mOhms - 20 V, 20 V 2.05 V 16.5 nC - 55 C + 175 C 42 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs SOT1210 N-CH 40V 30A
Datasheet
139In Stock
1,500Expected 2026-09-08
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT LFPAK-33-8 N-Channel 1 Channel 40 V 30 A 15 mOhms - 10 V, 16 V 1.5 V 16.2 nC - 55 C + 175 C 44 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs SOT669 N-CH 80V 84A
Datasheet
58In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 80 V 84 A 8.1 mOhms - 15 V, 15 V 1.7 V 44.2 nC - 55 C + 175 C 194 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y12-40E/SOT669/LFPAK
Datasheet
654In Stock
3,000Expected 2026-12-07
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 40 V 52 A 10 mOhms - 10 V, 10 V 1.4 V 9.8 nC - 55 C + 175 C 65 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y15-60E/SOT669/LFPAK
Datasheet
2,725In Stock
3,000Expected 2026-12-14
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 60 V 53 A 12.1 mOhms - 15 V, 15 V 1.7 V 17.2 nC - 55 C + 175 C 95 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y43-60E/SOT669/LFPAK
Datasheet
174In Stock
7,500Expected 2026-06-25
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Si SMD/SMT SOT-669-5 N-Channel 1 Channel 60 V 22 A 38 mOhms - 10 V, 10 V 1.4 V 8.2 nC - 55 C + 175 C 45 W Enhancement Reel, Cut Tape, MouseReel
Nexperia MOSFETs BUK9Y4R4-40E/SOT669/LFPAK
Datasheet
205In Stock
1,500Expected 2026-12-07
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