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Contents

Electronic Devices

PN Junction

PN Junction Basics Forward and Reverse Bias Diode Equation Junction Capacitance Breakdown Mechanisms Small Signal Model

BJT Fundamentals

BJT Operation BJT Configurations Current Components Ebers-Moll Model Transistor Switching

FET Fundamentals

JFET Basics MOS Capacitor MOSFET Structure MOSFET Operation MOSFET I-V CMOS Basic

Special Devices

Zener Diode Tunnel Diode Varactor Diode Schottky Diode UJT

Optoelectronics

Light Emitting Diodes Photodiodes Solar Cells Laser Diodes Fiber Optic Sources Phototransistors Optocouplers

Power Devices

Power Diodes Power MOSFETs IGBTs Thyristors GTO and TRIAC

Other Topics

IC Fabrication Basics Nanoelectronics Intro MEMS Single Electron Transistor

Other Subjects

Analog Electronics Digital Electronics Signals & Systems Control Systems Electromagnetic Theory Digital Communication Analog Communication Network Analysis Microprocessors VLSI Design Verilog HDL Power Electronics Embedded Systems DSP

Section Progress40%

2 of 5 articles

Power MOSFETs

Vertical structure, RDS(on), parasitic diode.

Updated: 19 March 2026

6 min read

Power MOSFET Analysis

Evaluate knowledge of vertical structures and RDS(on).

Question 1 of 3

Q1.Why is a vertical Double-Diffused MOSFET (VDMOS) structure used for power applications instead of the planar structure found in logic ICs?

Related Articles

Power MOSFET

VDMOS structure, safe operating area.

12 min read

MOSFET Operation

Threshold voltage, pinch-off.

5 min read

MOSFET Structure

Gate, oxide, channel.

10 min read

MOSFET I-V

Linear and Saturation equations.

7 min read

MOSFET as Switch

Cutoff and triode regions, digital switching applications.

10 min read