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Transistors - FETs, MOSFETs - Single

Image Part Number Description / PDF Quantity Rfq
BS170FTA

BS170FTA

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 60V 0.15MA SOT23-3

772
DMPH6250SQ-13

DMPH6250SQ-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 60V 2.4A SOT23 T&R

50000
DMN32D2LFB4-7

DMN32D2LFB4-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 30V 300MA 3DFN

90
DMP3020LSS-13

DMP3020LSS-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 30V 12A 8SOP

3099
ZVP3306FTA

ZVP3306FTA

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 60V 90MA SOT23-3

39716
DMN10H120SFG-7

DMN10H120SFG-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 100V 3.8A PWRDI3333

19792000
DMN3020UFDF-7

DMN3020UFDF-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 30V 15A 6UDFN

0
DMP25H18DLFDE-7

DMP25H18DLFDE-7

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 250V 260MA 6UDFN

9114
DMP6180SK3Q-13

DMP6180SK3Q-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CHANNEL 60V 14A TO252

5000
DMP2036UVT-7

DMP2036UVT-7

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 20V 6A TSOT26

0
DMN7022LFG-7

DMN7022LFG-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 75V 7.8A PWRDI3333-8

2341
DMN3067LW-7

DMN3067LW-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 30V 2.6A SOT-323

56432
DMN2065UWQ-7

DMN2065UWQ-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 20V 3.1A SOT323

27364
DMP6023LFGQ-13

DMP6023LFGQ-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 60V 7.7A PWRDI3333-8

0
DMTH4007LPSQ-13

DMTH4007LPSQ-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 40V 15.5A PWRDI5060

2089
DMT6007LFG-13

DMT6007LFG-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 60V 15A PWRDI3333

0
DMN30H4D1S-7

DMN30H4D1S-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 300V 430MA SOT23

0
DMN1008UFDF-13

DMN1008UFDF-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 12V 12.2A 6UDFN

0
DMG4466SSS-13

DMG4466SSS-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 30V 10A 8SOP

0
DMP2110UW-7

DMP2110UW-7

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 20V 2A SOT323

1481

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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