STのショットキー・ダイオードおよびファストリカバリ・ダイオードの製品ポートフォリオには650V~1200VのSiCダイオードや45V~100Vの電界効果整流ダイオード(FERD)が含まれています。最先端技術のメリットを最大限に活用し、コスト効率に優れた高効率コンバータ / インバータ・ソリューションの開発をサポートします。対象アプリケーションとその電圧に応じて、幅広いラインアップの中から最適な製品を選択し、順方向電圧降下(VF)とリーク電流(IR)、およびその他の特性との最適なトレードオフを選択可能です。STのダイオードはSTPOWERファミリの製品です。



オンラインのショットキー & FERD eToolシミュレータでは、アプリケーションの波形に基づいて最適な電界効果整流ダイオードやショットキー・ダイオードを素早く発見し、評価することができます。スイッチング電源(SMPS)の設計および開発では、コンピュータ向けデバイス選択サポート機能および検索エンジンを使用して、対象のアプリケーションにとって最適な電界効果整流ダイオードまたはショットキー・ダイオードを選ぶことができます。オンライン・ヘルプ機能(英語 / 中国語対応)では、具体的なサンプルやスナップショットを提供しており、設計を始める上でのサポートとして利用可能です。 

また、スマートフォンやタブレットで利用できるST Diode Finderモバイル・アプリは、詳細なパラメータ検索エンジンや、あらゆるダイオードの最も重要な電気的パラメータの高速表示といった機能を提供し、対象のアプリケーションに最適な製品の迅速な選択をサポートします。

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With our Power Discretes & Modules e-news

New ultrafast and power Schottky diodes deliver high power in 1.1 mm high, extra-slim package

Housed in an extra-slim PSMC package (TO-277A) able to withstand very high operating junction temperatures, this new ultrafast and Schottky diode series minimizes the PCB footprint while bringing the best of thermal efficiency.
In addition to having a low forward voltage drop and avalanche capability, these ultrafast and Schottky barrier rectifiers, which are rated from 30 to 200 V with a current rating from 5 to 12 A, help ensure greater compactness of equipment, with increased power density and efficiency, in a large range of applications including car modules, industrial equipment, telecom power systems and personal electronics.


eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

Power Management Design Center

Thermal-electrical Simulators for Components

Signal Conditioning Design Tool

NFC/RFID Calculators

Choose design tool:

Power Supply Design Tool

SMPS design, by topology, by type and by product
PFC design with analog and digitial control
Supports various PCB configurations
Choose type:

LED Lighting Design Tool

Handles AC-DC and DC-DC design in common topologies
Displays interactive and annotated schematic
Provides current/voltage graphs, Bode plots, efficiency curves and power-loss data
Choose type:

Digital Power Workbench

Provides a step-by-step optimized design of power section and control loop
Generates the STM32Cube embedded software package for custom applications and allows firmware project generation, compatible with multiple STM32 IDEs

Power Tree Designer

Specify input/output power for each node in the tree
Check for consistency
Design each individual node
Choose design tool:

AC Switches Simulator

Select ratings and application waveforms
Get junction temperature and blocking voltage graphs
Search and sort suitable devices

Rectifier Diodes Simulator

Select ratings and application waveforms
Estimate power losses
Search and sort suitable devices


Supports long mission profiles
Provides power loss and temperature graphs
Helps define heatsink thermal properties

Twister Sim

Help select the right ViPOWER Automotive power device
Supports load-compatibility, wiring harness optimization, fault condition impact and diagnostic analysis
Supports various PCB configurations

TVS Simulator

Specify system ratings and surge waveform
Search and sort suitable devices


Build simple schematics and firmware inputs in minutes
Quickly generate reliable estimates of battery life, system power consumption and bill of materials costs
Choose design tool:

Active Filters

Handles multi-stage-designs and common topologies
Returns circuit component values
Provides gain, phase and group delay graphs
Low Pass, High Pass and Band Pass


Handles most common configurations
Returns circuit components values
Provides I/O signal waveforms
Inverting, Non Inverting, Window

Low side Current Sensing

Returns circuit component values
Provides current error graphs

High side Current Sensing

Provides current error graphs.
Help to select the right High side current sensing and shunt devices.
Choose design tool:

NFC Inductance

Input geometry and substrate properties
Get antenna impedance

UHF Link Budget

Enter forward and reverse link characteristics
The tool returns link budget estimate

NFC Tuning Circuit

Enter antenna parameter and matching target
Select the topology of the matching network
The tool returns component values for the desired design targets