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Transistors - FETs, MOSFETs - Single

Image Part Number Description / PDF Quantity Rfq
DMP2045U-13

DMP2045U-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 20V 4.3A SOT23

0
BSS138TA

BSS138TA

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 50V 200MA SOT23-3

3939
DMG2305UX-13

DMG2305UX-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 20V 4.2A SOT23

715534
ZXMP7A17GQTA

ZXMP7A17GQTA

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 70V 2.6A SOT223

96062000
DMT10H015LSS-13

DMT10H015LSS-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 100V 8.3A 8SO

4225
DMN3008SFG-13

DMN3008SFG-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 30V 17.6A PWRDI3333

0
ZXMN10A07FTA

ZXMN10A07FTA

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 100V 700MA SOT23-3

2147483647
DMN2028USS-13

DMN2028USS-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 20V 7.3A 8SO

13532500
ZVP4424GTA

ZVP4424GTA

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 240V 480MA SOT223

8687
DMN4040SK3-13

DMN4040SK3-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 40V 6A TO252-3

55000
DMT10H010SPS-13

DMT10H010SPS-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 100V PWRDI5060

72627500
DMT3020LFDF-13

DMT3020LFDF-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 30V 8.4A 6UDFN

0
DMT10H009LSS-13

DMT10H009LSS-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 100V 13A/48A 8SO T&R

5000
DMG301NU-13

DMG301NU-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 25V 260MA SOT23

2147483647
ZVN3306FTA

ZVN3306FTA

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 60V 150MA SOT23-3

63397
DMN3071LFR4-7R

DMN3071LFR4-7R

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 30V 3.4A 3DFN

0
DMN2015UFDE-7

DMN2015UFDE-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 20V 10.5A 6UDFN

322
DMP3010LPSQ-13

DMP3010LPSQ-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 30V 36A PWRDI5060-8

172500
DMP3036SFG-13

DMP3036SFG-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 30V 8.7A PWRDI3333-8

9000
DMT8012LFG-13

DMT8012LFG-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 80V PWRDI3333

0

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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