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MOC3030

OPTICALLY COUPLED BILATERAL SWITCH LIGHT ACTIVATED ZERO VOLTAGE CROSSING TRIAC

Partnumber Manufacturer Quantity Availability
MOC3030 200 In Stock

Description and Introduction

OPTICALLY COUPLED BILATERAL SWITCH LIGHT ACTIVATED ZERO VOLTAGE CROSSING TRIAC # Introduction to the MOC3030 Optocoupler  

The **MOC3030** is a highly reliable **optocoupler** designed for interfacing low-voltage control circuits with high-voltage AC loads. It integrates an **infrared LED** and a **triac-based output**, providing electrical isolation between input and output stages. This makes it ideal for applications requiring safe and efficient AC switching, such as in motor controls, lighting systems, and industrial automation.  

A key feature of the MOC3030 is its **zero-crossing detection**, which ensures that the triac triggers only when the AC voltage crosses zero. This minimizes switching noise, reduces electromagnetic interference (EMI), and extends the lifespan of connected devices. The component operates with an input current as low as **5 mA**, making it compatible with microcontrollers and logic circuits.  

With an **isolation voltage rating of 5,300 Vrms**, the MOC3030 provides robust protection against high-voltage transients. Its compact **6-pin DIP package** allows for easy integration into various circuit designs. Additionally, it supports **triac triggering currents up to 100 mA**, enabling direct control of small to medium AC loads without additional amplification.  

Common applications include **solid-state relays, dimmers, and appliance controls**, where precise and noise-free switching is essential. Engineers favor the MOC3030 for its reliability, safety, and ability to simplify AC power control in electronic systems.  

By combining isolation, zero-crossing functionality, and efficient triac driving, the MOC3030 remains a preferred choice for AC load switching in modern electronics.

Application Scenarios & Design Considerations

OPTICALLY COUPLED BILATERAL SWITCH LIGHT ACTIVATED ZERO VOLTAGE CROSSING TRIAC

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