Si4 TrenchFET® Power MOSFETs

Vishay / Siliconix Si4 TrenchFET® Power MOSFETs are used for amplifying electronic signals. These devices are available in N-channel, P-channel, and N- and P-channel versions. The Si4 MOSFETs offer different VGS and VDS options and temperature ranges. Vishay / Siliconix Si4 TrenchFET Power MOSFETs operate in an enhancement mode and are used for switching between electronic signals. These surface-mount MOSFETs are 100% Rand UIS tested.

Results: 147
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) 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 Tradename Packaging

Vishay Semiconductors MOSFETs -20V Vds 12V Vgs SO-8 233In Stock
5,000On Order
Cut Tape
$2.19
$1.06
$0.941
$0.748
$0.713
Reel
$0.605
Min.: 1
Mult.: 1
Max.: 2,500
: 2,500
Si SMD/SMT SOIC-8 P-Channel 1 Channel 20 V 26.6 A 6.2 mOhms 8 V 600 mV 125 nC - 55 C + 150 C 6.6 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs SO8 NPCH 40V 10A 831In Stock
Cut Tape
$2.08
$1.06
$0.889
$0.72
Reel
$0.604
Min.: 1
Mult.: 1
: 2,500
Si SMD/SMT SOIC-8 N-Channel, P-Channel 2 Channel 40 V 9.2 A, 10 A 17.5 mOhms, 21 mOhms 20 V 800 mV, 1.2 V 20.5 nC, 41.5 nC - 55 C + 150 C 3.1 W, 3.2 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs -40V Vds 20V Vgs SO-8 N&P PAIR 62In Stock
15,000On Order
Cut Tape
$1.60
$0.989
$0.651
$0.511
$0.449
Reel
$0.397
Min.: 1
Mult.: 1
Max.: 2,500
: 2,500
Si SMD/SMT SOIC-8 N-Channel, P-Channel 2 Channel 40 V 5.8 A, 6.8 A 35.5 mOhms, 45 mOhms 20 V 1.2 V, 1.4 V 11.7 nC, 25 nC - 55 C + 150 C 3 W, 3.1 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs 25V Vds 16V Vgs SO-8 18In Stock
2,500Expected 2027/12/09
Cut Tape
$3.81
$2.16
$1.60
$1.33
$1.27
Reel
$1.12
Min.: 1
Mult.: 1
: 2,500
Si TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs 30V 8.0A 3.1W 22mohm @ 10V 4,274In Stock
Cut Tape
$1.21
$0.561
$0.497
$0.385
$0.377
Reel
$0.349
Min.: 1
Mult.: 1
: 2,500
Si SMD/SMT SOIC-8 N-Channel 2 Channel 30 V 8 A 22 mOhms 20 V 1.2 V 23 nC - 55 C + 150 C 3.1 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs 30V Vds 20V Vgs SO-8 189In Stock
25,000On Order
Cut Tape
$2.58
$1.49
$1.13
$0.939
$0.889
Reel
$0.761
Min.: 1
Mult.: 1
: 2,500
Si SMD/SMT SOIC-8 N-Channel 2 Channel 30 V 6.8 A, 11.4 A 11.5 mOhms, 18.5 mOhms 20 V 1 V 7.8 nC, 11.6 nC - 55 C + 150 C 1.4 W, 2.4 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs -30V Vds 25V Vgs SO-8 371In Stock
6,500On Order
Cut Tape
$1.87
$1.15
$0.763
$0.599
$0.512
Reel
$0.464
Min.: 1
Mult.: 1
: 2,500
Si SMD/SMT SOIC-8 P-Channel 1 Channel 30 V 14.9 A 12.5 mOhms 25 V 1.4 V 57 nC - 55 C + 150 C 5 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs 150V Vds 20V Vgs SO-8 213In Stock
5,000On Order
Cut Tape
$2.44
$1.55
$1.05
$0.846
$0.778
Reel
$0.708
Min.: 1
Mult.: 1
: 2,500
Si SMD/SMT SOIC-8 N-Channel 1 Channel 150 V 3.7 A 85 mOhms 20 V 2 V 21 nC - 55 C + 150 C 3 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs 30V 16A 0.007Ohm 350In Stock
2,500Expected 2027/06/21
Cut Tape
$3.01
$1.49
$1.34
$1.08
$1.05
Reel
$0.959
Min.: 1
Mult.: 1
: 2,500
Si SMD/SMT SOIC-8 N-Channel 1 Channel 30 V 16 A 7 mOhms 20 V 1 V 25 nC - 55 C + 150 C 3 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay / Siliconix MOSFETs 30V 12A 2.5W 11mohm @ 10V 682In Stock
2,500Expected 2027/06/02
Cut Tape
$1.99
$0.954
$0.854
$0.676
Reel
$0.555
Min.: 1
Mult.: 1
: 2,500
Si SMD/SMT SOIC-8 N-Channel 1 Channel 30 V 12 A 11 mOhms 20 V 1 V 20 nC - 55 C + 150 C 2.5 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs 80V Vds 20V Vgs SO-8 184In Stock
7,500Expected 2027/11/25
Cut Tape
$3.99
$2.01
$1.43
$1.20
$1.19
Reel
$1.19
Min.: 1
Mult.: 1
: 2,500
Si SMD/SMT SOIC-8 N-Channel 1 Channel 80 V 9.5 A 16.5 mOhms 20 V 2 V 41 nC - 55 C + 150 C 3.1 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs -12V Vds 8V Vgs SO-8 58In Stock
2,500Expected 2027/05/27
Cut Tape
$2.47
$1.57
$1.06
$0.857
$0.813
Reel
$0.734
Min.: 1
Mult.: 1
Max.: 2,500
: 2,500
Si SMD/SMT SOIC-8 P-Channel 2 Channel 12 V 8.9 A 18 mOhms 8 V 400 mV 52 nC - 55 C + 150 C 2 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs -20V Vds 20V Vgs SO-8 1,491In Stock
Cut Tape
$2.61
$1.28
$1.15
$0.919
$0.88
Reel
$0.791
Min.: 1
Mult.: 1
: 2,500
Si SMD/SMT SOIC-8 P-Channel 2 Channel 20 V 8 A 19.2 mOhms 20 V 3 V 62 nC - 55 C + 150 C 3.1 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs 40V 33A 7.8W 3.8mohm @ 10V 112In Stock
Cut Tape
$3.43
$2.28
$1.63
$1.38
Reel
$1.31
Min.: 1
Mult.: 1
: 2,500
Si SMD/SMT SOIC-8 N-Channel 1 Channel 40 V 33 A 3.8 mOhms 20 V 1.5 V 122 nC - 55 C + 150 C 7.8 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs 60V Vds 20V Vgs SO-8 1In Stock
5,000Expected 2027/08/12
Cut Tape
$2.77
$1.78
$1.21
$1.03
$0.944
Reel
$0.859
Min.: 1
Mult.: 1
: 2,500
Si SMD/SMT SOIC-8 N-Channel 1 Channel 60 V 8.5 A 22 mOhms 20 V 1 V 18 nC - 55 C + 175 C 3.3 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs -20V Vds 12V Vgs SO-8
144,753On Order
Cut Tape
$1.65
$0.777
$0.691
$0.60
$0.541
Reel
$0.465
Min.: 1
Mult.: 1
: 2,500
Si SMD/SMT SOIC-8 P-Channel 1 Channel 20 V 18.6 A 8 mOhms 12 V 600 mV 108 nC - 55 C + 150 C 5 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs 60V Vds 20V Vgs SO-8
27,500On Order
Cut Tape
$2.77
$1.63
$1.21
$1.03
$0.944
Reel
$0.878
Min.: 1
Mult.: 1
Max.: 2,500
: 2,500
Si SMD/SMT SOIC-8 N-Channel 1 Channel 60 V 8.5 A 22 mOhms 20 V 1 V 27 nC - 55 C + 175 C 3.3 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs RECOMMENDED ALT SI40
27,428On Order
Cut Tape
$1.47
$0.989
$0.651
$0.511
$0.476
Reel
$0.363
Min.: 1
Mult.: 1
Max.: 2,500
: 2,500
Si SMD/SMT SOIC-8 N-Channel 1 Channel 100 V 11.1 A 17 mOhms 20 V 1.5 V 29.5 nC - 55 C + 150 C 5.7 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs -40V Vds 20V Vgs SO-8
31,536On Order
Cut Tape
$1.74
$1.10
$0.719
$0.57
$0.556
Reel
$0.463
Min.: 1
Mult.: 1
Max.: 2,500
: 2,500
Si SMD/SMT SOIC-8 P-Channel 2 Channel 40 V 8 A 27 mOhms 20 V 1.2 V 63 nC - 55 C + 150 C 3.2 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs 30V Vds 20V Vgs SO-8
4,729On Order
Cut Tape
$2.07
$0.992
$0.889
$0.704
$0.671
Reel
$0.58
Min.: 1
Mult.: 1
Max.: 2,500
: 2,500
Si SMD/SMT SOIC-8 N-Channel 2 Channel 30 V 12.1 A 14 mOhms 20 V 1 V 17 nC - 55 C + 150 C 3.7 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs 30V 13.5A 2.5W 8.5mohm @ 10V
5,000Expected 2026/10/01
Cut Tape
$2.40
$1.31
$1.04
$0.834
$0.769
Reel
$0.712
Min.: 1
Mult.: 1
: 2,500
Si SMD/SMT SOIC-8 N-Channel 1 Channel 30 V 13.5 A 8.5 mOhms 20 V 1 V 50 nC - 55 C + 150 C 2.5 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs -150V Vds 20V Vgs SO-8
5,000Expected 2028/02/14
Cut Tape
$3.01
$1.57
$1.34
$1.08
Reel
$0.97
Min.: 1
Mult.: 1
: 2,500
Si SMD/SMT SOIC-8 P-Channel 1 Channel 150 V 2.8 A 315 mOhms 20 V 4 V 42 nC - 55 C + 150 C 5.9 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs 200V Vds 20V Vgs SO-8
5,000Expected 2028/02/25
Cut Tape
$3.59
$2.01
$1.62
$1.37
$1.27
Reel
$1.19
Min.: 1
Mult.: 1
: 2,500
Si SMD/SMT SOIC-8 N-Channel 1 Channel 200 V 4 A 80 mOhms 20 V 2 V 42 nC - 55 C + 150 C 3.1 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs RECOMMENDED ALT SI44
11,808Expected 2028/02/11
Cut Tape
$3.76
$2.12
$1.72
$1.40
Reel
$1.22
Min.: 1
Mult.: 1
Max.: 2,500
: 2,500
Si SMD/SMT SOIC-8 N-Channel 1 Channel 200 V 4 A 80 mOhms 20 V 2 V 42 nC - 55 C + 150 C 3.1 W Enhancement TrenchFET Reel, Cut Tape, MouseReel

Vishay Semiconductors MOSFETs -30V Vds 20V Vgs SO-8
9,499On Order
Cut Tape
$3.21
$2.09
$1.44
$1.20
$1.16
Reel
$1.10
Min.: 1
Mult.: 1
: 2,500
Si SMD/SMT SOIC-8 P-Channel 1 Channel 30 V 36 A 2.7 mOhms 20 V 2.5 V 285 nC - 55 C + 150 C 7.8 W Enhancement TrenchFET Reel, Cut Tape, MouseReel