Transistors - FETs, MOSFETs - Single

Image Part Number Description / PDF Quantity Rfq
DMP3098LDM-7

DMP3098LDM-7

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 30V 4A SOT-26

0

MMBF170-7-F

MMBF170-7-F

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 60V 500MA SOT23-3

10769

DMTH10H015SPS-13

DMTH10H015SPS-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 100V PWRDI5060

0

BSS138W-7-F

BSS138W-7-F

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 50V 200MA SOT323

352315

DMP3028LK3Q-13

DMP3028LK3Q-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CHANNEL 30V 27A TO252

0

DMG2301L-7

DMG2301L-7

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 20V 3A SOT23

0

ZXMN10A08GTA

ZXMN10A08GTA

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 100V 2A SOT223

13988

DMT10H072LFDFQ-7

DMT10H072LFDFQ-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 100V 4A 6UDFN

8765

DMN3730UFB4-7B

DMN3730UFB4-7B

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 30V 750MA 3DFN

70000

BS107PSTZ

BS107PSTZ

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 200V 120MA E-LINE

326412000

DMP2035UFDF-13

DMP2035UFDF-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 20V 8.1A 6UDFN

0

ZVN4525ZTA

ZVN4525ZTA

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 250V 240MA SOT89-3

11270

DMP1045UFY4-7

DMP1045UFY4-7

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 12V 5.5A DFN2015H4-3

2147483647

DMP3007SFG-7

DMP3007SFG-7

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 30V 70A POWERDI3333

389428000

DMN65D8LFB-7

DMN65D8LFB-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 60V 260MA 3DFN

1470

DMN24H11DSQ-13

DMN24H11DSQ-13

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 240V 270MA SOT23 T&R

30000

DMN4008LFG-7

DMN4008LFG-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 40V 14.4A PWRDI3333

98926000

DMPH4025SFVWQ-13

DMPH4025SFVWQ-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 40V PWRDI3333

0

DMN61D9U-7

DMN61D9U-7

Zetex Semiconductors (Diodes Inc.)

MOSFET N-CH 60V 380MA SOT23

12674

DMP3035LSS-13

DMP3035LSS-13

Zetex Semiconductors (Diodes Inc.)

MOSFET P-CH 30V 11A 8SOP

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

RFQ BOM Call Skype Email
Top