Transistors - FETs, MOSFETs

Transistors - FETs, MOSFETs - Single

Part Number	Description / PDF	Quantity
TPCA8051-H(T2L1,VM Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 80V 28A 8SOP	2018
SSM3J353F,LF Toshiba Electronic Devices and Storage Corporation	MOSFET P-CH 30V 2A S-MINI	3115
TK14N65W,S1F Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 650V 13.7A TO247	17
TK560A60Y,S4X Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 600V 7A TO220SIS	102
TK58E06N1,S1X Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 60V 58A TO220	30
TPCA8026(TE12L,Q,M Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 30V 45A 8SOP	9153
SSM6J512NU,LF Toshiba Electronic Devices and Storage Corporation	MOSFET P-CH 12V 10A 6UDFNB	1188
SSM6J212FE,LF Toshiba Electronic Devices and Storage Corporation	MOSFET P-CH 20V 4A ES6	9
TK32E12N1,S1X Toshiba Electronic Devices and Storage Corporation	MOSFET N CH 120V 60A TO-220	0
SSM6K405TU,LF Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 20V 2A UF6	5990
TJ30S06M3L,LXHQ Toshiba Electronic Devices and Storage Corporation	MOSFET P-CH 60V 30A DPAK	3754
TPH3R003PL,LQ Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 30V 88A 8SOP	0
SSM3K35AMFV,L3F Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 20V 250MA VESM	36919
TK50P04M1(T6RSS-Q) Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 40V 50A DP	1636
TK7P50D(T6RSS-Q) Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 500V 7A DPAK	0
TK7A65D(STA4,Q,M) Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 650V 7A TO220SIS	0
TK4R4P06PL,RQ Toshiba Electronic Devices and Storage Corporation	MOSFET N-CHANNEL 60V 58A DPAK	1736
TK15A60D(STA4,Q,M) Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 600V 15A TO220SIS	0
TK7J90E,S1E Toshiba Electronic Devices and Storage Corporation	MOSFET N-CH 900V 7A TO3P	12
SSM3J64CTC,L3F Toshiba Electronic Devices and Storage Corporation	MOSFET P-CH 12V 1A CST3C	19247

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