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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. For more information about MOSFETs, please see our complete guide to MOSFETs.
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.
Showing 1–24 of 190 results
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Dual N-Channel MOSFET, 3 A, 50 V, 8-Pin SOIC Infineon IRF7103TRPBF
VND31,700,069.66Reel (1 Reel of 4000) -
Dual N-Channel MOSFET, 36 A, 40 V, 8-Pin DFN ON Semiconductor NVMFD5C470NLWFT1G
VND13,346,853.00Reel (1 Reel of 1500) -
Dual N-Channel MOSFET, 4.9 A, 30 V, 8-Pin SOIC Infineon IRF7303TRPBF
VND348,904.60Pack (1 Pack of 20) -
Dual N-Channel MOSFET, 6.3 A, 8.6 A, 30 V, 8-Pin SOIC ON Semiconductor FDS6982AS
VND109,512.64Pack (1 Pack of 5) -
Dual N/P-Channel MOSFET, 340 mA, 510 mA, 60 V, 6-Pin SOT-23 ON Semiconductor NDC7001C
VND79,797.32Pack (1 Pack of 10) -
Dual N/P-Channel-Channel MOSFET, 3.5 A, 4.5 A, 60 V, 8-Pin SOIC ON Semiconductor FDS4559
VND159,427.70Pack (1 Pack of 10) -
N-Channel MOSFET, 1.2 A, 100 V, 3 + Tab-Pin SOT-223 Infineon BSP296NH6327XTSA1
VND669,262.46Pack (1 Pack of 50) -
N-Channel MOSFET, 1.2 A, 20 V, 3-Pin SOT-23 Infineon IRLML2402TRPBF
VND52,753.04Pack (1 Pack of 5) -
N-Channel MOSFET, 1.2 A, 30 V, 3-Pin SOT-23 ON Semiconductor NDS351AN
VND68,612.34Pack (1 Pack of 10) -
N-Channel MOSFET, 1.2 A, 60 V, 3-Pin SOT-23 Infineon IRLML2060TRPBF
VND127,542.16Pack (1 Pack of 20) -
N-Channel MOSFET, 1.5 A, 100 V, 3 + Tab-Pin SOT-223 Vishay IRFL110TRPBF
VND143,067.58Pack (1 Pack of 10) -
N-Channel MOSFET, 1.5 A, 30 V, 3-Pin SOT-323 Vishay Si1308EDL-T1-GE3
VND206,838.66Pack (1 Pack of 25) -
N-Channel MOSFET, 1.8 A, 60 V, 3 + Tab-Pin SOT-223 Infineon BSP295H6327XTSA1
VND108,511.00Pack (1 Pack of 5) -
N-Channel MOSFET, 10 A, 400 V, 3-Pin TO-220AB Vishay IRF740APBF
VND37,728.44 -
N-Channel MOSFET, 10 A, 400 V, 3-Pin TO-220AB Vishay IRF740PBF
VND39,397.84 -
N-Channel MOSFET, 10 A, 500 V, 3-Pin TO-220 STMicroelectronics STP11NK50Z
VND280,125.32Pack (1 Pack of 5) -
N-Channel MOSFET, 10 A, 500 V, 3-Pin TO-220F ON Semiconductor FDPF12N50UT
VND158,926.88Pack (1 Pack of 5) -
N-Channel MOSFET, 10 A, 600 V, 3-Pin TO-220FP STMicroelectronics STF11NM60ND
VND87,476.56 -
N-Channel MOSFET, 10 A, 600 V, 3-Pin TO-220FP STMicroelectronics STP10NK60ZFP
VND339,555.96Pack (1 Pack of 5) -
N-Channel MOSFET, 10.8 A, 40 V, 8-Pin SOIC ON Semiconductor FDS4480
VND144,736.98Pack (1 Pack of 5) -
N-Channel MOSFET, 100 A, 100 V, 3-Pin D2PAK Infineon IPB042N10N3GATMA1
VND590,633.72Pack (1 Pack of 10) -
N-Channel MOSFET, 100 A, 100 V, 3-Pin D2PAK Infineon IPB100N10S305ATMA1
VND163,935.08Pack (1 Pack of 2) -
N-Channel MOSFET, 100 A, 150 V, 3-Pin D2PAK Infineon IPB072N15N3GATMA1
VND129,211.56 -
N-Channel MOSFET, 100 A, 60 V, 3-Pin DPAK Infineon IPD031N06L3GATMA1
VND476,613.70Pack (1 Pack of 10)
