Transistors - FETs, MOSFETs - Single

Image Part Number Description / PDF Quantity Rfq
DMN3033LSNQ-13

DMN3033LSNQ-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 30V 6A SC59

0

DMTH4004LK3-13

DMTH4004LK3-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 40V 100A TO252-4L

0

DMN4060SVT-7

DMN4060SVT-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 45V 4.8A TSOT26

1618

DMG4435SSS-13

DMG4435SSS-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 30V 7.3A 8SOP

0

DMTH4004LPSQ-13

DMTH4004LPSQ-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 40V 100A PWRDI5060-8

0

DMN2114SN-7

DMN2114SN-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 20V 1.2A SC59-3

3000

DMN2055U-13

DMN2055U-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 20V 4.8A SOT23 T&R 1

30000

DMN10H170SFDE-7

DMN10H170SFDE-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 100V 2.9A 6UDFN

0

DMN10H700S-7

DMN10H700S-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 100V 700MA SOT23

8824

DMT6005LFG-7

DMT6005LFG-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 60V PWRDI3333

2000

DMP3017SFGQ-13

DMP3017SFGQ-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 30V 11.5A PWRDI3333

3000

DMT10H009SPS-13

DMT10H009SPS-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 100V PWRDI5060

0

DMN1016UCB6-7

DMN1016UCB6-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 12V 5.5A U-WLB1510-6

5034

ZVP4424ASTZ

ZVP4424ASTZ

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 240V 200MA E-LINE

18000

DMN33D8LTQ-13

DMN33D8LTQ-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 30V 115MA SOT523

0

DMN3150L-7

DMN3150L-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 28V 3.8A SOT23-3

1288

DMP21D0UT-7

DMP21D0UT-7

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 20V 590MA SOT523

15573

DMP58D0LFB-7

DMP58D0LFB-7

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 50V 180MA 3DFN

2147483647

DMN3008SFG-7

DMN3008SFG-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 30V 17.6A PWRDI3333

0

2N7002H-7

2N7002H-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 60V 170MA SOT23

2147483647

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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