Andrew
Andrew Content Marketer
On Jul 28, 2025

MOC3023SM Triac & SCR Output Optocouplers by Youtai – Reliable Isolation for AC Switching in Compact Designs

The Triac & SCR Output Optocouplers MOC3023SM by Youtai are surface-mount optoelectronic devices engineered for reliable AC load control using low-voltage logic signals. With robust isolation performance and fast response time, these optocouplers / photocouplers are ideal for interfacing microcontrollers with high-voltage AC systems. As a trusted name in optoelectronics, Youtai delivers efficiency, safety, and compact packaging in one cost-effective solution.

In this article, we’ll look at the specifications, features, wiring setup, key use cases, and global availability of the MOC3023SM Triac & SCR Output Optocouplers by Youtai from Xon Electronics.


Technical Specifications of MOC3023SM

  • Manufacturer: Youtai

  • Part Number: MOC3023SM

  • Category: Optoelectronics, Optocouplers / Photocouplers

  • Input: Infrared LED

  • Output: Triac Driver (Phototriac)

  • Isolation Voltage: 5,300Vrms

  • Trigger Current (IFT): = 5mA

  • AC Load Voltage Range: 110V–240V

  • Mounting Type: Surface Mount (SMD)

  • Package: 6-pin SMD

  • Product Type: Triac & SCR Output Optocouplers by Youtai

These Triac & SCR Output Optocouplers by Youtai provide dependable signal isolation in AC control circuits, making them perfect for modern embedded and automation designs.


Key Features of MOC3023SM Optocoupler

  • High Isolation (5.3kVrms) – Protects sensitive control systems

  • Low Trigger Current (=5mA) – Enables compatibility with most microcontrollers

  • Zero-Crossing Free – Ideal for dimming, phase-control, and non-synchronous applications

  • Compact SMD Package – Easy integration into densely packed PCBs

  • Solid-State Reliability – No mechanical contacts, no wear or bounce

These features make the MOC3023SM Triac & SCR Output Optocouplers by Youtai highly suitable for compact, long-life AC switching applications.


Applications of MOC3023SM by Youtai

The Triac & SCR Output Optocouplers by Youtai are widely used in:

  • Smart Lighting Control

  • Home Appliance Automation (e.g., dishwashers, ovens)

  • HVAC and Fan Speed Regulation

  • Solid-State Relay Circuits

  • Industrial PLC Interfaces

  • Dimming and Phase Angle Control Systems

With a fast response time and robust electrical isolation, these Optocouplers / Photocouplers ensure reliable and safe operation in diverse high-voltage environments.


Wiring and Connection Overview

Wiring the MOC3023SM is simple and compact:

  • Input Side: Control signal (logic level) drives the LED

  • Output Side: Phototriac connects to gate of an external triac for AC load control

  • Isolation Barrier: Up to 5,300Vrms between input and output for full system protection

Its small SMD footprint makes it ideal for modern PCBs in embedded and appliance control designs.


Use Case Scenario: Smart Dimmer Module for Home Automation

Scenario: A smart home product developer required an optically isolated interface to control 230V lighting loads from a microcontroller.

Problem: Mechanical relays introduced audible noise and reduced lifespan.

Solution: The MOC3023SM Triac & SCR Output Optocouplers by Youtai offered silent operation, excellent reliability, and a compact surface-mount footprint.

Result: Smoother light dimming, longer product life, and reduced form factor in the smart dimmer module.

This case highlights how Triac & SCR Output Optocouplers by Youtai improve product quality and longevity in AC switching applications.


Download MOC3023SM Datasheet

Need trigger curves, thermal ratings, or pin configurations?

[Download MOC3023SM Datasheet from Xon Electronics]


Why Buy from Xon Electronics?

Xon Electronics offers trusted Triac & SCR Output Optocouplers by Youtai with:

  • 100% Authentic Youtai Devices
  • Worldwide Delivery – USA, India, Australia, Europe & more
  • Bulk Pricing for OEMs and Assemblers
  • Engineering Support for Custom Integration
  • Secure Online Ordering at Competitive Prices

Explore reliable Optoelectronics components at www.xonelec.com today.


Conclusion

The MOC3023SM Triac & SCR Output Optocouplers by Youtai offer compact, high-performance, and cost-effective AC load switching solutions. With features like 5.3kVrms isolation, low trigger current, and surface-mount design, these Optocouplers / Photocouplers are perfect for smart appliances, industrial automation, and embedded control. Now available at Xon Electronics with global shipping to the USA, India, Australia, Europe, and other countries.


FAQs – MOC3023SM by Youtai

Q1. What isolation voltage does the MOC3023SM support?
It offers 5,300Vrms isolation between input and output.

Q2. Can this be used for light dimming?
Yes, it supports non-zero-crossing operation, making it great for dimmers and phase control.

Q3. What is the typical trigger current?
It requires =5mA to activate the internal phototriac.

Q4. Is the device available in SMD format?
Yes, it is supplied in a compact 6-pin SMD package.

Q5. Can I buy this globally from Xon Electronics?
Yes! Xon Electronics ships to USA, India, Australia, Europe, and other regions worldwide.




Looking for help? Visit our FAQ's Section to answer to all your questions

 

X-ON Worldwide Electronics

Welcome To X-ON Electronics
For over three decades, we have been advocating and shaping the electronic components industry. Our management complements our worldwide business scope and focus. We are committed to innovation, backed by a strong business foundation. If you need a trustworthy supplier of electronic components for your business – look no further.
 

Copyright ©2025  X-ON Electronics Services. All rights reserved.
Please ensure you have read and understood our Terms & Conditions before purchasing. All prices exclude GST.

Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted AS9120 Certified