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Transistors - FETs, MOSFETs - Single

Image Part Number Description / PDF Quantity Rfq
DMN10H170SFG-13

DMN10H170SFG-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 100V PWRDI3333

6000
DMN3026LVT-7

DMN3026LVT-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 30V 6.6A TSOT26

8705
DMP2006UFG-13

DMP2006UFG-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 20V 17.5A POWERDI

0
DMG2307L-7

DMG2307L-7

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 30V 2.5A SOT-23

0
DMP10H400SK3-13

DMP10H400SK3-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 100V 9A TO252-3

2490
2N7002Q-7-F

2N7002Q-7-F

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 60V 170MA SOT23

76
DMP4050SSS-13

DMP4050SSS-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 40V 4.4A 8SO

12253
DMTH6016LFDFWQ-13

DMTH6016LFDFWQ-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 60V 9.4A 6UDFN

10000
DMT8008LFG-7

DMT8008LFG-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 80V 16A PWRDI3333

1979
DMT6007LFG-7

DMT6007LFG-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 60V 15A PWRDI3333

13616
DMP3008SFGQ-13

DMP3008SFGQ-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 30V 8.6A PWRDI3333-8

272
DMN2501UFB4-7

DMN2501UFB4-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 20V 1A X2-DFN1006-3

147000
DMN10H170SVTQ-7

DMN10H170SVTQ-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 100V 2.6A TSOT26

2700
DMT47M2SFVWQ-13

DMT47M2SFVWQ-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 40V PWRDI3333

0
ZXM61N02FTA

ZXM61N02FTA

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 20V 1.7A SOT23-3

108586
DMN2024U-13

DMN2024U-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 20V 6.8A SOT23 T&R 1

0
DMP3050LVT-7

DMP3050LVT-7

Zetex Semiconductors (Diodes Inc.)

MOSFET P CH 30V 4.5A TSOT26

4758
DMP45H150DHE-13

DMP45H150DHE-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 450V 250MA SOT223

0
DMP3010LK3Q-13

DMP3010LK3Q-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 30V 17A TO252

12737
DMN10H099SFG-7

DMN10H099SFG-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 100V 4.2A PWRDI3333

14022000

Transistors - FETs, MOSFETs - Single

1. Overview

Field-Effect Transistors (FETs) and Metal-Oxide-Semiconductor FETs (MOSFETs) are voltage-controlled semiconductor devices that regulate current flow through an electric field. As fundamental components in modern electronics, they offer advantages such as high input impedance, low power consumption, and fast switching capabilities. Single discrete FETs/MOSFETs are widely used in power management, signal amplification, and switching applications across industries.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Junction FET (JFET)Voltage-controlled depletion mode operation, low noiseLow-noise amplifiers, analog switches
Enhancement Mode MOSFETNormally-off device, requires positive VGS to conductPower supplies, motor drives
Depletion Mode MOSFETNormally-on device, requires negative VGS to blockRadio frequency amplifiers, load switches
Insulated Gate Bipolar Transistor (IGBT)Combines MOSFET input with bipolar output, high current capacityHigh-power industrial equipment, electric vehicles

3. Structure and Composition

A typical MOSFET structure includes three terminals: Source, Gate, and Drain. The gate is insulated by a thin layer of silicon dioxide (SiO2), forming a capacitive control interface. The channel between source and drain is formed in a silicon substrate. Advanced devices use materials like silicon carbide (SiC) or gallium nitride (GaN) for higher performance. Packaging options include TO-220, DPAK, and SOT-23 for different thermal and space requirements.

4. Key Technical Specifications

ParameterDescription and Importance
VDS (Drain-Source Voltage)Maximum voltage rating between drain and source; determines breakdown tolerance
ID (Drain Current)Maximum continuous current capacity; critical for power handling
RDS(on)On-state resistance; impacts conduction losses and efficiency
VGS(th) (Threshold Voltage)Voltage required to form channel; determines control signal compatibility
QG (Gate Charge)Charge required for switching; affects switching speed and driver requirements
PD (Power Dissipation)Maximum power handling capability; dictates thermal management needs

5. Application Fields

  • Consumer Electronics: Mobile phone chargers, notebook power adapters
  • Industrial: Motor drives, uninterruptible power supplies (UPS)
  • Automotive: Electric vehicle (EV) battery management systems, HEV inverters
  • Telecommunications: Base station power amplifiers, optical network transceivers
  • Renewable Energy: Solar micro-inverters, wind turbine converters

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
Texas InstrumentsCSD18534Q5A60V, 4.2m RDS(on), automotive-grade
STMicroelectronicsSTP55NF0655A, 60V, high-speed switching
Infineon TechnologiesIPB041N06N30.41 , 600V, TO-220 package
ON SemiconductorNDS355ANDepletion mode, 300mA, RF applications

7. Selection Guidelines

Key considerations include:

  • Voltage and current requirements under operating conditions
  • Thermal performance (RDS(on), package thermal resistance)
  • Switching speed vs. conduction loss trade-off
  • Gate drive compatibility with control circuitry
  • Environmental factors (temperature, vibration, humidity)
  • Cost-performance balance for volume production

8. Industry Trends

Current trends include:

  • Adoption of wide bandgap materials (SiC, GaN) for higher efficiency
  • Advanced packaging technologies (double-sided cooling, copper clip)
  • Integration with gate drivers and protection circuits
  • Miniaturization through trench and shielded gate structures
  • Development of automotive-qualified devices for EVs and ADAS

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