Power Semiconductor Knowledge Hub
Welcome to the Good-Ark engineering blog — a knowledge hub for engineers and sourcing teams working with discrete power semiconductors. Here you will find practical, spec-grounded guides on device selection, application design, reliability and procurement, written by engineers who work with these components every day.

Explore by Topic
- MOSFETs & Gate Drive — N-channel vs P-channel, low RDS(on), logic-level devices, trench vs planar, super-junction, isolated gate drivers, GaN half-bridge drive.
- SiC & Wide Bandgap — 650V SiC for PFC and server power, 1700V SiC for solar and rail, 1200V SiC for inverters and EV chargers, SiC reliability and junction temperature, wide-bandgap sourcing guide.
- IGBTs & Motor Drives — 650V IGBTs for induction heating, 1200V IGBTs for motor drives, IGBT market and sourcing guide.
- Rectifiers & Diodes — choosing the right power rectifier, comparing datasheets, axial, SMD, high-voltage, high-current, fast-recovery devices.
- Protection: TVS & ESD — SMBJ, SMAJ, SMCJ, 1500W TVS, CAN-bus ESD, USB ESD.
- SMPS & Power Conversion — SMPS complete guide, SMPS components, MOSFET selection for switching supplies, EMI filter design.
- Solar & Renewable Energy — PV bypass diodes, PV module and string protection, PV inverters, solar inverter component selection.
- Automotive Electronics — automotive MOSFET design-in, automotive rectifier diodes, load-dump protection.
Featured Articles
- Super Junction MOSFETs: How Charge Balance Wins in PFC, Flyback, and LLC
- 1200V SiC MOSFETs for Solar Inverters and 800V EV Chargers
- How to Compare Rectifier Diode Datasheets
- SiC Semiconductor Selection: What B2B Buyers Should Verify
- High-Temperature SiC Reliability and Lifetime Derating
About This Blog
This blog is maintained by the technical team of Good-Ark Electronics as a public engineering resource. Articles are written to be vendor-neutral in method, but they reflect our experience designing and qualifying discrete power semiconductors. For corporate information, product catalogs, datasheets, certifications and sales channels, visit the official website at en.goodark.com.

Explore the Guides
Choose the topic that matches the component, circuit, application, or sourcing decision in front of you. Each hub links to the full article cluster and every article links back to its assigned path.
Rectifier Diode Engineering Hub
Use this hub to choose, apply, test, and troubleshoot rectifier diodes without separating the data-sheet decision from the circuit and thermal evidence. The rectifier archive is large enough to need three decision paths: selection and ratings, testing and reliability, and packages and circuit design.
TVS ESD and Surge Protection Hub
This hub organizes transient protection by threat and interface: slow power surges, automotive pulses, lightning energy, and fast ESD events on signal lines. Start with the waveform and protected circuit limit, then choose standoff voltage, clamping behavior, capacitance, package, and placement.
Automotive Power Electronics Hub
This hub follows the electrical realities of the vehicle rather than a list of automotive components. It covers the 12 V rail, load dump, reverse battery, cranking, lighting, body electronics, electric drives, qualification, and the thermal cycles that make automotive design different.
MOSFET IGBT and Transistor Hub
Use this hub to decide when a MOSFET, IGBT, or bipolar transistor is the right switch, then size the gate or base drive, losses, safe operating area, thermal path, and protection. The decision is made by voltage, current, switching frequency, duty cycle, and fault behavior—not by device popularity.
Silicon Carbide and Wide Bandgap Hub
This hub explains where silicon carbide earns its cost and where silicon or GaN is the better answer. It connects SiC Schottky diodes and MOSFETs to voltage class, switching frequency, gate drive, layout, thermal design, reliability evidence, solar conversion, charging, and industrial power stages.
Solar and PV Electronics Hub
This hub follows energy through a photovoltaic system: cells and modules, bypass and blocking paths, MPPT and inverters, battery charging, protection, field failures, and qualification. It is designed for engineers and buyers who need component choices to survive heat, shade, surge, and long outdoor service.
Good-Ark Product and Sourcing Hub
This hub is the shortest route from a Good-Ark name or part number to trustworthy product information, qualification evidence, replacement logic, samples, and purchasing support. It also covers supplier verification, documentation, counterfeit avoidance, and the practical difference between a catalog match and an approved source.
Schottky Diode Selection Hub
Use this hub to select Schottky diodes by real efficiency and temperature behavior rather than forward-voltage advertising. It covers trench and planar structures, low-VF tradeoffs, leakage, current sharing, packages, automotive use, small-signal parts, and silicon-carbide Schottky options.
Power Supply Application Design Hub
This hub connects component selection to complete power-conversion systems: adapters, SMPS, isolated supplies, server rails, LED drivers, industrial controls, EMI filters, snubbers, ripple, and repair workflows. Use it to locate the stage causing loss, noise, heat, or unreliable startup.
Bridge Rectifier Design Hub
This hub covers single-phase and three-phase bridge rectifiers from topology through selection, testing, thermal design, ripple, motor-drive service, failure signatures, and the module-versus-discrete decision. Start from the input waveform and load, not only the DC output current.
Zener and Signal Diode Hub
This hub separates three jobs that are often mixed together: Zener regulation and references, small-signal switching, and local voltage protection. It covers breakdown behavior, bias current, tolerance, temperature, capacitance, speed, packages, and when a TVS, regulator, or Schottky device is the safer choice.