Thyristor

Bidirectional Thyristor Trigger Circuit Design Tips

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Bidirectional Thyristor Trigger Circuit Design Tips

Introduction to Bidirectional Thyristors “Bidirectional Thyristor”: It is developed based on ordinary thyristors. It can replace two antiparallel thyristors and only requires one trigger circuit, making it a relatively ideal AC switching device. Its English name TRIAC means three-terminal bidirectional AC switch. Characteristics and Applications of Bidirectional Thyristors Bidirectional thyristors can be considered an integration … Read more

Microcontroller Control of 220V AC Power Circuit Diagram

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Microcontroller Control of 220V AC Power Circuit Diagram

Microcontroller control of 220V AC power circuit diagram 1. For resistive loads For example, a regular light bulb, generally around 30 to 40W, if using 220V AC to control the power on and off, a simple solution is to use a bidirectional thyristor for direct control. The BT137 can handle up to 7A and has … Read more

How to Measure a Bidirectional Thyristor with a Multimeter

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How to Measure a Bidirectional Thyristor with a Multimeter

A bidirectional thyristor (also known as a bidirectional silicon controlled rectifier) is a semiconductor device that can conduct in both directions, widely used in power control and conversion circuits. To ensure its normal operation and performance, it is necessary to measure it using a multimeter. This article will detail how to use a multimeter to … Read more

Differences Between Three Types of PLC Outputs

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Differences Between Three Types of PLC Outputs

Differences Between Three Types of PLC Outputs1. Relay Output:The advantage is that different common points can carry different AC and DC loads, and the voltage can also be different, with a load current of up to 2A per point; however, relay output is not suitable for high-frequency loads, which is determined by the relay’s lifespan. … Read more

Simulation of a Single-Phase AC Voltage Controller with Two Back-to-Back Thyristors (Simulink Implementation)

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Simulation of a Single-Phase AC Voltage Controller with Two Back-to-Back Thyristors (Simulink Implementation)

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Master These Component Testing Techniques

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Master These Component Testing Techniques

We believe everyone has read many articles about using a multimeter. The editor has also shared an article titled “Do You Really Know How to Use a Multimeter? A Detailed Explanation of Various Functions and Precautions of the Multimeter.” Mastering the measurement techniques for commonly used electronic components with a multimeter is essential. If you … Read more

Understanding the Composition and Applications of Semiconductor Power Devices

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Understanding the Composition and Applications of Semiconductor Power Devices

Semiconductors are commonly used components in the electrical appliances we use in our daily lives. How much do you know about semiconductors? Today, we will start with the most basic semiconductor power devices to gain a comprehensive understanding of the “past and present” of semiconductors. Power Electronic Devices are also known as power semiconductor devices, … Read more

DIY Door-Controlled Switch for Lights

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DIY Door-Controlled Switch for Lights

The bathroom is a place we visit every day. Turning the light on and off when entering and exiting can be quite a hassle. Sometimes, we forget to turn off the light, wasting electricity. Here, we introduce a door-controlled switch circuit that is simple to make. After installing this door-controlled switch in your home bathroom, … Read more