Transistors - FETs, MOSFETs - Single

Image Part Number Description / PDF Quantity Rfq
DMN3042LFDF-13

DMN3042LFDF-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 30V 7A 6UDFN

0

DMTH4008LFDFW-7

DMTH4008LFDFW-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 40V 11.6A 6UDFN

6000

DMN62D1LFB-7B

DMN62D1LFB-7B

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 60V 320MA 3DFN

18033

DMP1245UFCL-7

DMP1245UFCL-7

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 12V 6.6A X1-DFN1616

4916

DMP2160UWQ-7

DMP2160UWQ-7

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 20V 1.5A SOT323 T&R

15000

DMN62D0LFD-7

DMN62D0LFD-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 60V 310MA 3DFN

2840

ZXMN6A25KTC

ZXMN6A25KTC

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 60V 7A TO252-3

5

DMT3009LFVWQ-13

DMT3009LFVWQ-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 30V 12A PWRDI3333

0

DMP2039UFDE4-7

DMP2039UFDE4-7

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 25V 7.3A 6DFN

258545000

DMN2300U-7

DMN2300U-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 20V 1.24A SOT23

47051

DMPH6023SK3Q-13

DMPH6023SK3Q-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CHANNEL 60V 35A TO252

357500

DMP6023LSS-13

DMP6023LSS-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 60V 6.6A 8SO

0

DMN3024SFG-13

DMN3024SFG-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 30V 7.5A PWRDI3333-8

0

BSS127SSN-7

BSS127SSN-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 600V 50MA SC59

113

BS170P

BS170P

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 60V 270MA TO92-3

35678000

DMG3414U-7

DMG3414U-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 20V 4.2A SOT23-3

172150

DMP4065SQ-7

DMP4065SQ-7

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 40V 2.4A SOT23 T&R

0

DMT4011LSS-13

DMT4011LSS-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 40V 10.8A 8SO

0

ZXMN6A08KTC

ZXMN6A08KTC

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 60V 5.36A TO252-3

7682500

DMT3009LFVW-7

DMT3009LFVW-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 30V 12A 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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