MOSFET Gate Circuits and PNP Turn-off Driver

Technical overview of MOSFET gate functions and drive implementations, including direct drive, external drivers, speed?up diode, PNP turn?off, floating and isolated drives.

Capacitive Reactance: Three Practical Examples

Explains capacitive reactance (XC), its frequency dependence, formula XC = 1/(2πfC), and use in RC networks and passive low?pass/high?pass filters.

Metal Oxide Varistor (MOV) Aging and Protection Options

Technical overview of MOV aging mechanisms and protection strategies: parallel and series use with ceramic gas discharge tube (GDT) for improved surge protection and longevity.

Comparison of SiC MOSFET, SJ-MOSFET and IGBT Performance

Technical comparison of SiC MOSFETs and Si SJ-MOSFETs covering material properties, static characteristics, RDS(ON) behavior, thermal and switching trade-offs.

Understanding MOSFET Datasheet Parameters

Technical guide to reading a MOSFET datasheet, focusing on SOA curve interpretation, practical current limits (continuous and pulse), and relevance of switching parameters.

Measuring MOSFET Gate Charge Using JEDEC Method

Guide to JEDEC MOSFET gate-charge testing with the 4200A-SCS: use two SMUs in Clarius to measure Qg, Qgs, Qgd and compensate offset capacitance.

Why Paralleling Schottky Diodes Is Not Recommended

Overview of Schottky diode characteristics and usage notes, including forward voltage, reverse leakage behavior, and why paralleling identical diodes risks unequal current sharing.

Understanding Common MOSFET Datasheet Parameters

Decode MOSFET datasheets: learn which parameters matter (UIS, SOA, currents, switching) and avoid misleading supplier comparisons.

MOSFET vs IGBT: Key Differences

Comparison of MOSFET and IGBT power switches: structural differences, on-resistance, switching frequency limits, body diode behavior, and typical application use cases.

IGBT Switching Process and Driver Design Factors

Technical analysis of IGBT switching with diode?clamped inductive load: interval-by-interval turn-on/turn-off waveforms, diode recovery, tail current, and driver requirements.