Andrew
Andrew Content Marketer
On Jul 28, 2025



MOC3023SM Triac & SCR Output Optocouplers by AOTE – Reliable Isolation for AC Load Switching and Control

The Triac & SCR Output Optocouplers MOC3023SM by AOTE are high-performance optoelectronic components designed for safe and efficient switching of AC loads. These devices feature an infrared LED coupled with a triac driver, enabling the control of 110V–240V AC circuits through low-voltage digital signals. Known for their high isolation voltage and low trigger current, these optoisolators are perfect for industrial automation, home appliance control, and power management systems.

This blog explores the key specs, features, wiring, and use cases of the MOC3023SM Triac & SCR Output Optocouplers by AOTE, along with global ordering options from Xon Electronics.


Technical Specifications of MOC3023SM

  • Manufacturer: AOTE

  • Part Number: MOC3023SM

  • Type: Triac Driver Output Optocoupler

  • Category: Optoelectronics, Optocouplers / Photocouplers

  • Input Type: Infrared LED

  • Output Type: Photo triac driver

  • Isolation Voltage: 5,300Vrms

  • Trigger Current (IFT): = 5mA

  • Operating Voltage: 110–240V AC load switching

  • Package: 6-SMD (Surface Mount)

  • Mounting Type: Surface Mount (SMD)

  • Product Class: Triac & SCR Output Optocouplers by AOTE

These Triac & SCR Output Optocouplers by AOTE ensure safe signal isolation and noise immunity in AC control systems.


Key Features of MOC3023SM

  • High Isolation Voltage (5.3kVrms) – Protects microcontrollers and logic circuits

  • Low Trigger Current (5mA max) – Compatible with low-power digital controllers

  • Zero-Crossing Free – Suitable for phase-control and dimming circuits

  • Compact SMD Package – Saves space and improves board layout in modern designs

  • Long Electrical Life – Solid-state switching improves reliability over mechanical relays

These features make the MOC3023SM Triac & SCR Output Optocouplers by AOTE ideal for driving AC loads in harsh or noisy environments where isolation is essential.


Applications of MOC3023SM Optocouplers

The MOC3023SM Triac & SCR Output Optocouplers by AOTE are widely used in:

  • Solid-State Relays (SSR)

  • Home Appliance Control (Ovens, HVAC, Dishwashers)

  • Light Dimming Circuits

  • Industrial Motor Starters

  • AC Fan Speed Control

  • PLC Output Interfaces

With excellent isolation and low triggering requirements, these Optocouplers / Photocouplers are perfect for low-power logic-to-AC interface applications.


Wiring and Connection Overview

Typical circuit connection:

  • Input Side: LED anode and cathode driven by GPIO or control circuit

  • Output Side: Triac gate connects to the AC load driver circuit

  • Isolation Barrier: 5.3kVrms provides protection from line voltage spikes

This compact and efficient setup enables noise-free control of AC loads via microcontrollers and digital circuits.


Use Case Scenario: Home Appliance AC Motor Control

Scenario: A smart appliance manufacturer needed a compact optocoupler to safely control AC fan motors from a low-voltage control board.

Problem: Traditional mechanical relays caused switching noise and wore out quickly.

Solution: The MOC3023SM Triac & SCR Output Optocouplers by AOTE offered solid-state switching, long lifespan, and compact SMD design.

Result: Quieter operation, longer component life, and increased product reliability.

This real-world example shows the value of choosing Optoelectronics components like MOC3023SM for AC control in smart systems.


Download MOC3023SM Datasheet

Need full specs, isolation ratings, or application diagrams?

[Download MOC3023SM Datasheet from Xon Electronics]


Why Buy from Xon Electronics?

Xon Electronics offers genuine Triac & SCR Output Optocouplers by AOTE with:

  • 100% Authentic AOTE Components
  • Worldwide Shipping – USA, India, Australia, Europe & more
  • Bulk Pricing for OEMs and System Integrators
  • Engineering and Integration Support
  • Secure Online Ordering and Fast Delivery

Shop more Optoelectronics and control components now at www.xonelec.com.


Conclusion

The MOC3023SM Triac & SCR Output Optocouplers by AOTE offer efficient, safe, and reliable control for AC circuits in a compact SMD package. Whether for industrial automation, consumer electronics, or smart appliances, these Optocouplers / Photocouplers help maintain system isolation and improve performance. Available globally via Xon Electronics with delivery to the USA, India, Australia, Europe, and other countries.


FAQs – MOC3023SM by AOTE

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

Q2. Can it be used for dimming applications?
Yes, it's suitable for non-zero-crossing control, ideal for phase dimming.

Q3. What is the trigger current for this device?
It typically requires =5mA input current to activate.

Q4. Is it suitable for surface-mount designs?
Yes, it comes in a compact 6-pin SMD package.

Q5. Can I buy it internationally from Xon Electronics?
Yes! Xon ships to USA, India, Australia, Europe, and other global locations.




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