Andrew
Andrew Content Marketer
On Jul 28, 2025

MOC3023SM Triac & SCR Output Optocouplers by Isocom – High-Performance Isolation for AC Load Switching

The Triac & SCR Output Optocouplers MOC3023SM by Isocom are compact, surface-mount devices that provide robust electrical isolation and safe control of AC loads using low-voltage logic inputs. With excellent switching characteristics and high isolation voltage, these optoelectronics components are ideal for smart appliances, industrial automation, and power control systems. Known for quality and consistency, Triac & SCR Output Optocouplers by Isocom deliver reliable performance in demanding environments.

In this article, we cover technical specifications, features, use cases, and global ordering information for the MOC3023SM Triac & SCR Output Optocouplers by Isocom, available through Xon Electronics.


Technical Specifications of MOC3023SM

  • Manufacturer: Isocom

  • Part Number: MOC3023SM

  • Category: Optoelectronics, Optocouplers / Photocouplers

  • Input Side: Infrared LED

  • Output Side: Phototriac driver

  • Isolation Voltage: 5,300Vrms

  • Trigger Current (IFT): = 5mA

  • Voltage Range (AC Load): 110V–240V

  • Package: 6-pin SMD

  • Mounting Style: Surface Mount (SMD)

  • Series: Triac & SCR Output Optocouplers by Isocom

The Triac & SCR Output Optocouplers by Isocom are designed for precise, low-noise switching and are compatible with most microcontroller systems.


Key Features of MOC3023SM

  • High Isolation (5300Vrms) – Safeguards low-voltage control systems

  • Low Trigger Current (=5mA) – Works well with logic-level control

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

  • Compact SMD Package – Saves space in densely packed PCBs

  • Long-Term Reliability – No mechanical wear and high switching endurance

These benefits make the MOC3023SM Triac & SCR Output Optocouplers by Isocom an excellent choice for engineers designing safe and efficient AC switching systems.


Applications of MOC3023SM

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

  • Light Dimming Circuits

  • Smart Home Appliance Control

  • Solid-State Relays

  • HVAC and AC Fan Speed Controllers

  • Industrial Equipment Power Management

  • PLC Output Interfaces

These optocouplers / photocouplers ensure safe and isolated operation, protecting microcontrollers and logic devices from AC voltage spikes and surges.


Wiring Overview

  • Input (LED side): Connect to a digital control signal from microcontroller or logic device

  • Output (triac side): Gate signal drives external triac for AC load switching

  • Isolation Barrier: 5300Vrms to protect control circuit from high voltage

Thanks to its surface-mount design, the MOC3023SM is perfect for compact circuit boards in modern electronic systems.


Use Case Scenario: Embedded AC Fan Speed Controller

Scenario: A design engineer building an HVAC control system needed compact, isolated switching for 230V AC fan motors.

Problem: Electromechanical relays caused noise and frequent maintenance.

Solution: The MOC3023SM Triac & SCR Output Optocouplers by Isocom enabled silent, reliable switching with superior isolation and SMD convenience.

Result: Reduced circuit size, longer component life, and more stable fan speed control.

This illustrates how Triac & SCR Output Optocouplers by Isocom simplify and improve high-voltage switching in embedded systems.


Download MOC3023SM Datasheet

Need electrical curves, mechanical specs, or layout guidance?

[Download MOC3023SM Datasheet from Xon Electronics]


Why Buy from Xon Electronics?

Xon Electronics is your global source for Triac & SCR Output Optocouplers by Isocom, with:

  • 100% Genuine Isocom Devices
  • Global Shipping – USA, India, Australia, Europe & more
  • Discounts for OEMs, Assemblers & Distributors
  • Application Support & Technical Guidance
  • Fast, Secure Ordering at www.xonelec.com

Explore a wide range of optoelectronics and control ICs at Xonelec today.


Conclusion

The MOC3023SM Triac & SCR Output Optocouplers by Isocom offer exceptional performance for engineers seeking compact, reliable, and isolated AC load control solutions. Their low trigger current, high isolation, and SMD format make them a go-to choice for modern electronics. Available now at Xon Electronics with fast shipping to the USA, India, Australia, Europe, and beyond.


? FAQs – MOC3023SM by Isocom

Q1. Can MOC3023SM control 230V AC loads directly?
Yes, when connected with an appropriate external triac, it can control 110–240V AC.

Q2. Is it zero-crossing detected?
No, it supports random phase triggering—ideal for dimming and phase-angle control.

Q3. What isolation does it provide?
It provides a high isolation voltage of 5,300Vrms between input and output.

Q4. Is it available in through-hole?
MOC3023 is available in through-hole, but the MOC3023SM variant is for surface-mount designs.

Q5. Can I buy from outside India?
Yes! Xon Electronics ships to USA, India, Australia, Europe, and many other countries.




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