MOSFETs

MOSFETs, also known as MOSFET transistors, stands for Metal Oxide Semiconductor Field-Effect Transistors. MOSFETs are transistor devices which are controlled by a capacitor. The "Field-Effect" means that they are controlled by voltage. The aim of a MOSFET is to control the flow of the current passing through from the source to the drain terminals. It acts very similarly to a switch and is used for switching or amplifying electronic signals.

These semiconductor devices are ICs (integrated circuits) which are mounted onto PCBs. MOSFETs come in a range of standard package types such as DPAK, D2PAK, DFN, I2PAK, SOIC, SOT-223 and TO-220.

What are depletion and enhancement modes?

MOSFET transistors have two modes; depletion and enhancement.Depletion MOSFETs work like a closed switch. The current passes through when no current is applied. The current flow will stop if a negative voltage is applied.Enhancement mode MOSFETs are similar to a variable resistor and are generally more popular than the depletion mode MOSFETs. They come in n-channel or p-channel variants.

How do MOSFETs work?

The pins on a MOSFET package are the Source, Gate and Drain. When a voltage is applied between the Gate and the Source terminals, current can pass through from the Drain to the Source pins. When the voltage applied to the Gate changes, the resistance from the Drain to the Source will change too. The lower the voltage applied, the higher the resistance. As the voltage increases, the resistance from the Drain to Source will decrease.Power MOSFETs are similar to standard MOSFETs but they are designed to handle a higher level of power.

N-Channel vs. P-Channel MOSFETs

MOSFETs are made of p-type or n-type doped silicon.

  • N-Channel MOSFETS contain additional electrons which are free to move around. They are the more popular channel type. N-Channel MOSFETs work when a positive charge is applied to the gate terminal.

  • P-Channel MOSFETS substrate contains electrons and electron holes. P-Channel MOSFETs are connected to a positive voltage. These MOSFETs turn on when the voltage supplied to the Gate terminal is lower than the Source voltage.

Where are MOSFETs used?

MOSFETs are found within many applications, such as microprocessors and other memory components. MOSFET transistors are most commonly used as a voltage-controlled switch within circuits.

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Description Price Channel Type Maximum Continuous Drain Current Maximum Drain Source Voltage Maximum Drain Source Resistance Package Type Mounting Type Pin Count Maximum Gate Source Voltage Channel Mode Maximum Gate Threshold Voltage Minimum Gate Threshold Voltage Maximum Power Dissipation Transistor Configuration Number of Elements per Chip
RS庫存編號 725-8326
製造零件編號PMV213SN,215
BrandNexperia
HK$3.734
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N 1.9 A 100 V 250 mΩ SOT-23 (TO-236AB) Surface Mount 3 -30 V, +30 V Enhancement 4V 2V 2 W Single 1
RS庫存編號 819-3917
製造零件編號SQ4401EY-T1_GE3
BrandVishay
HK$19.964
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P 17 A 40 V 24 mΩ SOIC Surface Mount 8 -20 V, +20 V Enhancement - 1.5V 7.14 W Single 1
RS庫存編號 759-9037
製造零件編號FDC608PZ
HK$4.227
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P 5.8 A 20 V 43 mΩ SOT-23 Surface Mount 6 -12 V, +12 V Enhancement - 0.4V 1.6 W Single 1
RS庫存編號 194-259
製造零件編號IXFN180N15P
BrandIXYS
HK$178.79
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N 150 A 150 V 11 mΩ SOT-227B Panel Mount 4 -20 V, +20 V Enhancement 5V - 680 W Single 1
RS庫存編號 920-6614
製造零件編號STB13N80K5
HK$18.833
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N 12 A 800 V 450 mΩ D2PAK (TO-263) Surface Mount 3 -30 V, +30 V Enhancement 5V 3V 190 W Single 1
RS庫存編號 921-1177
製造零件編號DMT6016LSS-13
HK$3.636
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N 11.9 A 60 V 28 mΩ SOIC Surface Mount 8 -20 V, +20 V Enhancement 2.5V 1V 2.1 W Single 1
RS庫存編號 793-1055
製造零件編號NTF3055-100T1G
HK$4.243
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N 3 A 60 V 110 mΩ SOT-223 Surface Mount 3 + Tab -20 V, +20 V Enhancement 4V - 2.1 W Single 1
RS庫存編號 166-3335
製造零件編號FDS6675
HK$5.778
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P 11 A 30 V 23 mΩ SOIC Surface Mount 8 -20 V, +20 V Enhancement - 1V 2.5 W Single 1
RS庫存編號 188-5048
製造零件編號SQD40020E_GE3
BrandVishay
HK$12.10
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N 100 A 40 V 4.7 mΩ TO-252 Surface Mount 3 ±20 V Enhancement 3.5V 2.5V 107 W Single 1
RS庫存編號 784-8947
製造零件編號IRFP4868PBF
BrandInfineon
HK$55.01
單位
N 70 A 300 V 32 mΩ TO-247AC Through Hole 3 -20 V, +20 V Enhancement 5V 3V 517 W Single 1
RS庫存編號 892-2157
製造零件編號IPP086N10N3GXKSA1
BrandInfineon
HK$12.584
/個 (每包:5個)
單位
N 80 A 100 V 15.4 mΩ TO-220 Through Hole 3 -20 V, +20 V Enhancement 3.5V 2V 125 W Single 1
RS庫存編號 130-0972
製造零件編號IRF9392TRPBF
BrandInfineon
HK$4.58
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P 9.8 A 30 V 17.5 mΩ SOIC Surface Mount 8 -25 V, +25 V Enhancement 2.4V 1.3V 2.5 W - 1
RS庫存編號 145-9291
製造零件編號IRLU3636PBF
BrandInfineon
HK$12.995
毎管:75 個
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N 99 A 60 V 8.3 mΩ IPAK (TO-251) Through Hole 3 -16 V, +16 V Enhancement 2.5V 1V 143 W Single 1
RS庫存編號 2509482048
製造零件編號SUP85N03-04P-E3
BrandVishay
HK$42.28
單位
- - - - - - - - - - - - - -
RS庫存編號 2508386513
製造零件編號IRFP140PBF
BrandVishay
HK$21.42
單位
- - - - - - - - - - - - - -
RS庫存編號 2508962344
製造零件編號NTE2387
HK$151.48
單位
- - - - - - - - - - - - - -
RS庫存編號 2508386800
製造零件編號IRFU430APBF
BrandVishay
HK$14.56
單位
- - - - - - - - - - - - - -
RS庫存編號 2509691551
製造零件編號2SK3680-01
BrandFuji
HK$95.34
單位
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RS庫存編號 2508408020
製造零件編號SUD08P06-155L-E3
BrandVishay
HK$6.86
單位
- - - - - - - - - - - - - -
RS庫存編號 2509691618
製造零件編號2SK3529-01
BrandFuji
HK$19.60
單位
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