MOC3052SM Optocouplers by ON Semiconductor – Safe AC Control

7/30/2025 4:37:03 AM   By  Andrew  in

MOC3052SM Triac & SCR Output Optocouplers by ON Semiconductor – Efficient AC Load Switching for Industrial and Smart Control Systems

The Triac & SCR Output Optocouplers MOC3052SM by ON Semiconductor are high-performance optocouplers designed for precise and safe control of AC loads using low-voltage digital signals. Featuring a zero-crossing detector, 5300 Vrms isolation, and low trigger current, this compact 6-pin surface-mount device is ideal for solid-state switching in automation, lighting, HVAC, and smart appliances.

In this blog, we explore specifications, applications, and benefits of Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by ON Semiconductor, available now at Xon Electronics.

Technical Specifications of MOC3052SM

  • Manufacturer: ON Semiconductor

  • Part Number: MOC3052SM

  • Type: Triac Driver Optocoupler with Zero-Crossing

  • LED Trigger Current (IFT): 5 mA Max

  • Isolation Voltage: 5300 Vrms

  • Zero-Crossing Function: Yes

  • Output Type: Triac / SCR

  • Package Type: 6-Pin SMD

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

Engineered to offer high-speed switching, low EMI, and maximum safety, this optocoupler is essential in modern AC control applications.

Key Features of MOC3052SM

  • Zero-Crossing Detection – Minimizes switching noise and surge current

  • High Isolation (5300 Vrms) – Ensures system safety and circuit protection

  • Low Trigger Current – Enables direct control from logic-level outputs

  • Compact SMD Package – Ideal for automated assembly and space-saving layouts

  • RoHS Compliant – Environmentally safe for global designs

These features make Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by ON Semiconductor an excellent choice for AC interface designs.

Applications of MOC3052SM

MOC3052SM by ON Semiconductor is widely used in:

  • HVAC systems (fan and compressor switching)

  • Lighting dimmers and control panels

  • Solid-state relays and remote switches

  • Industrial automation and programmable controllers

  • Smart home appliances and IoT-enabled devices

Designers around the world trust Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by ON Semiconductor for long-term reliability and performance.

Wiring and Connection Overview

Typical circuit configuration:

[Microcontroller GPIO] - [MOC3052SM Input (LED)]  
[Triac Driver Output] - [AC Load] - [AC Power]

The internal phototriac triggers the external load at the zero-cross point of the AC waveform, minimizing electrical noise and voltage spikes.

Use Case Scenario: Quiet and Reliable Control in Smart Thermostats

Scenario: A smart thermostat manufacturer required a low-EMI, long-life AC switching solution for heater and fan relays.

Problem: Electromechanical relays introduced noise and mechanical wear.

Solution: They adopted MOC3052SM Triac & SCR Output Optocouplers by ON Semiconductor with built-in zero-crossing and surface-mount compatibility.

Result: Silent operation, compact board design, and increased reliability—demonstrating why Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by ON Semiconductor are preferred in smart devices.

Download Datasheet for MOC3052SM

Looking for electrical specs, pinout diagrams, or certifications?

Download MOC3052SM Datasheet from Xon Electronics

Why Buy from Xon Electronics?

Get authentic Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by ON Semiconductor at Xon Electronics with:

  • 100% Original ON Semiconductor Parts
  • Global Shipping – USA, India, Australia, Europe & More
  • Volume Pricing for OEMs and Distributors
  • Application Support for Integration
  • Fast, Secure Online Checkout

Shop now at www.xonelec.com

Conclusion

The MOC3052SM Triac & SCR Output Optocouplers by ON Semiconductor provide fast, noise-free, and isolated switching of AC loads in compact systems. With 5300 Vrms isolation and zero-crossing detection, these optocouplers are a staple in industrial and home automation applications. Choose Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by ON Semiconductor, available globally through Xon Electronics, shipping to the USA, India, Australia, Europe, and other countries.

FAQs – MOC3052SM by ON Semiconductor

Q1. What is the isolation rating of MOC3052SM?
It offers 5300 Vrms insulation between input and output terminals.

Q2. Does this model support zero-crossing switching?
Yes, it has integrated zero-crossing for low-noise AC load activation.

Q3. Is it compatible with surface mount PCBs?
Yes, it comes in a 6-pin SMD package for automated assembly.

Q4. Can it replace mechanical relays?
Absolutely—it's ideal for silent, reliable AC switching without moving parts.

Q5. Where can I buy this component globally?
You can order it from www.xonelec.com with shipping to USA, India, Australia, Europe, and more.

MOC3052SM Optocouplers by Isocom – AC Load Switching

7/30/2025 4:30:12 AM   By  Andrew  in

MOC3052SM Triac & SCR Output Optocouplers by Isocom – Reliable AC Load Control for Industrial and Consumer Electronics

The Triac & SCR Output Optocouplers MOC3052SM by Isocom are high-isolation, zero-crossing optocouplers designed for safe and efficient AC load switching. With an integrated phototriac driver, this device allows electrical isolation between low-voltage control logic and high-voltage AC loads. These optocouplers are ideal for automation, HVAC systems, lighting control, and home appliances.

In this blog, we’ll review technical features, real-world applications, and why engineers rely on Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by Isocom for robust switching designs.

Technical Specifications of MOC3052SM

  • Manufacturer: Isocom

  • Part Number: MOC3052SM

  • Type: Zero-Crossing Triac Driver Optocoupler

  • Input LED Trigger Current (IFT): Max 5mA

  • Isolation Voltage: 5300 Vrms

  • Zero-Crossing Function: Yes

  • Output Type: Triac / SCR

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

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

This component offers fast switching with excellent isolation, enabling clean and EMI-minimized AC control for sensitive electronics.

Key Features of MOC3052SM

  • Zero-Crossing Detection – Reduces inrush current and EMI during switching

  • High Dielectric Isolation – 5300 Vrms insulation between input and output

  • Low LED Trigger Current – Logic-level control with just 5mA

  • Surface Mount Package – Ideal for compact PCB layouts and automated assembly

  • RoHS Compliant – Safe, eco-friendly component for global designs

These features make Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by Isocom an ideal choice for reliable and noise-free switching.

Applications of MOC3052SM

The MOC3052SM is widely adopted in:

  • AC Fan and Motor Control Circuits

  • Lighting Dimmers and Relays

  • HVAC Controllers and Smart Thermostats

  • Solid-State Relays and Industrial Switchgear

  • Home Appliances and Smart Plugs

Whether for home or factory use, Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by Isocom offer long-lasting and dependable performance.

Wiring and Connection Overview

Typical circuit setup:

[Microcontroller Output] - [MOC3052SM Input] - [AC Load via Triac] - [AC Power Line]

This optocoupler uses its internal LED to activate a phototriac that triggers the AC load at the zero-cross point, minimizing EMI and ensuring clean switching.

Use Case Scenario: AC Load Switching in HVAC Controllers

Scenario: An HVAC manufacturer needed a compact and safe solution for switching heating elements and fans with minimal EMI and high reliability.

Problem: Mechanical relays produced noise and required frequent maintenance.

Solution: Engineers selected MOC3052SM Triac & SCR Output Optocouplers by Isocom with zero-crossing functionality and 5300 Vrms isolation.

Result: Reduced electromagnetic interference, longer system life, and silent, reliable operation—confirming the value of Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by Isocom.

Download Datasheet for MOC3052SM

Need full electrical specs or footprint dimensions?

Download MOC3052SM Datasheet from Xon Electronics

Why Buy from Xon Electronics?

Get authentic Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by Isocom from Xon Electronics and enjoy:

  • 100% Genuine Isocom Devices
  • Global Shipping – USA, India, Australia, Europe & More
  • Bulk Discounts for Manufacturers
  • Application Support from Experts
  • Safe and Fast Checkout Process

Order now at www.xonelec.com

Conclusion

The MOC3052SM Triac & SCR Output Optocouplers by Isocom offer the perfect blend of safety, performance, and reliability. Their zero-crossing switching, high isolation, and low trigger current make them ideal for AC load control in smart home and industrial automation. Choose Optoelectronics, Optocouplers / Photocouplers, Triac & SCR Output Optocouplers by Isocom from Xon Electronics with global delivery to the USA, India, Australia, Europe, and beyond.

FAQs – MOC3052SM by Isocom Devices

Q1. Does MOC3052SM include zero-crossing detection?
Yes, it includes internal zero-crossing circuitry for EMI-free switching.

Q2. What is the isolation voltage?
The device offers 5300 Vrms isolation between input and output.

Q3. Is it suitable for surface-mount assembly?
Yes, it comes in a 6-pin SMD package ideal for automated manufacturing.

Q4. Can it control AC motors and fans?
Yes, it’s widely used for switching AC motors, fans, and relays.

Q5. Where can I buy this device globally?
It’s available at www.xonelec.com with delivery to USA, India, Australia, Europe, and other countries.

MOC3052SM Optocouplers by AOTE – Safe AC Switching

7/30/2025 4:24:32 AM   By  Andrew  in

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.

 

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