Andrew
Andrew Content Marketer
On Jul 30, 2025

MOC3052SM Triac & SCR Output Optocouplers by AOTE – Reliable AC Switching for Industrial and Consumer Applications

The Triac & SCR Output Optocouplers MOC3052SM by AOTE are high-performance optoelectronic components designed to provide safe and effective AC load switching. Featuring a built-in zero-crossing circuit and an optically isolated triac driver, this device allows precise triggering of AC loads while protecting low-voltage control circuits.

In this blog, we will explore the specifications, features, applications, and advantages of choosing Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by AOTE, now available at Xon Electronics.


Technical Specifications of MOC3052SM

  • Manufacturer: AOTE

  • Part Number: MOC3052SM

  • Type: Triac Driver Optocoupler (Zero-Crossing)

  • Output Type: SCR / Triac

  • Input LED Forward Voltage: 1.15V (typ)

  • Isolation Voltage: 5300 Vrms

  • LED Trigger Current (IFT): 5 mA Max

  • Zero-Crossing Function: Yes

  • Package Type: 6-Pin Surface Mount (SMD)

  • Category: Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by AOTE

This optocoupler provides a compact, high-voltage isolation solution for digital control of AC loads in home appliances and industrial automation.


Key Features of MOC3052SM

  • Zero-Crossing Detection – Minimizes EMI during AC load switching

  • High Isolation (5300 Vrms) – Protects control circuits from line voltage

  • Low Trigger Current (5 mA) – Compatible with logic-level control outputs

  • Surface Mount Package – Ideal for automated high-density PCB assembly

  • RoHS Compliant – Eco-friendly and globally accepted

These benefits highlight why Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by AOTE are trusted by engineers designing high-reliability switching systems.


Applications of MOC3052SM

The MOC3052SM by AOTE Devices is commonly used in:

  • AC Motor Controls and Fan Controllers

  • Solid-State Relays and Power Modules

  • Smart Home and HVAC Systems

  • Lighting Dimmers and Switches

  • Industrial Automation and Timing Circuits

Engineers prefer Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by AOTE for safe and efficient AC switching in demanding environments.


Wiring and Connection Overview

Typical application circuit:

[Microcontroller GPIO] - [MOC3052SM Input LED] - [AC Load] - [Triac] ? [AC Power Source]

The internal LED activates the optically isolated triac driver, safely switching the connected AC load at the zero-crossing point for minimal electrical noise.


Use Case Scenario: AC Load Switching in Smart Appliances

Scenario: A smart appliance manufacturer needed to implement reliable AC load switching for fan and heating modules controlled by a microcontroller.

Problem: Electromagnetic interference (EMI) and voltage spikes were disrupting the MCU and damaging components.

Solution: Engineers selected MOC3052SM Triac & SCR Output Optocouplers by AOTE, which offered built-in zero-crossing switching and 5300 Vrms isolation.

Result: Reduced EMI, safer operation, and improved product lifespan—making Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by AOTE an ideal solution.


Download Datasheet for MOC3052SM

Need detailed specs and circuit design examples?

Download MOC3052SM Datasheet from Xon Electronics


Why Buy from Xon Electronics?

Get genuine Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by AOTE at Xon Electronics with:

  • Verified AOTE Components
  • Global Shipping – USA, India, Australia, Europe & More
  • Bulk Supply for OEMs and Assemblers
  • Technical Support and Application Guidance
  • Safe & Fast Online Checkout

Shop now at www.xonelec.com


Conclusion

The MOC3052SM Triac & SCR Output Optocouplers by AOTE are compact, efficient, and highly reliable components for AC load switching in electronic control systems. Their integrated zero-crossing detection and high isolation rating make them a top-tier choice in Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by AOTE. Order today from Xon Electronics with worldwide delivery to USA, India, Australia, Europe, and other countries.


FAQs – MOC3052SM by AOTE Devices

Q1. What type of output does MOC3052SM offer?
It has a Triac/SCR output with built-in zero-crossing detection.

Q2. What is the isolation voltage rating?
It provides 5300 Vrms isolation between input and output.

Q3. Is this device suitable for surface-mount designs?
Yes, it comes in a 6-pin SMD package for automated PCB assembly.

Q4. Can it be used for smart appliance control?
Absolutely, it’s ideal for switching fans, motors, and heating elements.

Q5. Where can I purchase it globally?
Order from www.xonelec.com with shipping to USA, India, Australia, Europe, and other regions.


 


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