Transistors - FETs, MOSFETs

Transistors - FETs, MOSFETs - Single

Part Number	Description / PDF	Quantity
SSM6J424TU,LF Toshiba Electronic Devices and Storage Corporation	MOSFET P-CH 20V 6A UF6	5971
TK3A65D(STA4,Q,M) Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 650V 3A TO220SIS	0
2SJ305TE85LF Toshiba Electronic Devices and Storage Corporation	MOSFET P-CH 30V 200MA SC59	1930
TJ80S04M3L(T6L1,NQ Toshiba Electronic Devices and Storage Corporation	MOSFET P-CH 40V 80A DPAK	0
SSM3K131TU,LF Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 30V 6A UFM	14965
SSM6H19NU,LF Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 40V 2A 6UDFN	0
TK11A45D(STA4,Q,M) Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 450V 11A TO220SIS	0
SSM3K36TU,LF Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 20V 500MA UFM	15476
SSM6J507NU,LF Toshiba Electronic Devices and Storage Corporation	MOSFET P-CH 30V 10A 6UDFNB	33196
TK40P04M1(T6RSS-Q) Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 40V 40A DP	0
SSM3J377R,LXHF Toshiba Electronic Devices and Storage Corporation	AECQ MOSFET PCH -20V -3.9A SOT23	6000
SSM6J412TU,LF Toshiba Electronic Devices and Storage Corporation	MOSFET P-CH 20V 4A UF6	7363
TPH2R104PL,LQ Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 40V 100A 8SOP	5858
TK100E06N1,S1X Toshiba Electronic Devices and Storage Corporation	MOSFET N CH 60V 100A TO-220	0
TK62J60W,S1VQ Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 600V 61.8A TO3P	62
TK28A65W,S5X Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 650V 27.6A TO220SIS	4
TK7P60W5,RVQ Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 600V 7A DPAK	1446
TK210V65Z,LQ Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 650V 15A 5DFN	5000
TPN11006NL,LQ Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 60V 17A 8TSON	8354
TPH1110ENH,L1Q Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 200V 7.2A 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

Type	Functional Characteristics	Application Examples
Junction FET (JFET)	Voltage-controlled depletion mode operation, low noise	Low-noise amplifiers, analog switches
Enhancement Mode MOSFET	Normally-off device, requires positive V_GS to conduct	Power supplies, motor drives
Depletion Mode MOSFET	Normally-on device, requires negative V_GS to block	Radio frequency amplifiers, load switches
Insulated Gate Bipolar Transistor (IGBT)	Combines MOSFET input with bipolar output, high current capacity	High-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

Parameter	Description and Importance
V_DS (Drain-Source Voltage)	Maximum voltage rating between drain and source; determines breakdown tolerance
I_D (Drain Current)	Maximum continuous current capacity; critical for power handling
R_DS(on)	On-state resistance; impacts conduction losses and efficiency
V_GS(th) (Threshold Voltage)	Voltage required to form channel; determines control signal compatibility
Q_G (Gate Charge)	Charge required for switching; affects switching speed and driver requirements
P_D (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

Manufacturer	Representative Product	Key Features
Texas Instruments	CSD18534Q5A	60V, 4.2m R_DS(on), automotive-grade
STMicroelectronics	STP55NF06	55A, 60V, high-speed switching
Infineon Technologies	IPB041N06N3	0.41 , 600V, TO-220 package
ON Semiconductor	NDS355AN	Depletion mode, 300mA, RF applications

7. Selection Guidelines

Key considerations include:

Voltage and current requirements under operating conditions
Thermal performance (R_DS(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