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MOC3021 Optocoupler


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  • Stock: 21

    Availability: InStock priceValidUntil: 2026-02-19

  • SKU: 134 | DAA201

Availability: InStock priceValidUntil: 2026-02-19

  • Rs. 21.24 (inc GST)
    Rs.18.00 + GST

    Qty :

GST Invoice: Available for all purchases — eligible for input tax credit.

Delivery: 2–8 days across India. No MOQ required.

Bulk Orders: Need more quantity or not in stock? Email: dnatechindia [at] gmail.com

Import Service: We import a wide range of electronic components on request.

MOC3021 Optocoupler

MOC3021 Optocoupler/Optoisolator

The MOC3021 is optically isolated triac driver device.It is designed for interfacing low voltage electronic components and triacs to control resistive and inductive loads for 115/230 VAC operations. 

Features of MOC3021

  • 400 V Phototriac Driver Output
  • Diode Infrared Source and Optically-Coupled Silicon Traic Driver (Bilateral Switch)
  • High Isolation...7500 V Peak
  • Output Driver Designed for 220 Vac
  • Standard 6-Terminal Plastic DIP
  • Directly Interchangeable with Motorola MOC3020, MOC3021, MOC3022, and MOC3023

APPLICATIONS of MOC3021

  • Industrial controls
  • Traffic lights 
  • Static AC power switch
  • Vending machines 
  • Incandescent lamp dimmers
  • Solid state relay 
  • Motor control
  • Lamp ballasts
  • Interfacing Microcontroller to 115/230 volt devices

Extra Information
Country of Origin China
Imported By ElectroSource Private Limited

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Frequently Asked Questions

Do you provide a GST bills?
Yes we provide GST Bill by the name of DNA Solutions. You will receive a GST compliant invoice for your records. You can take GST benefit.
What is your return / replacement policy?
Returns/replacements depend on the item type and condition. If there’s an issue, contact us with photos/videos and we’ll guide you as per policy.
Where are you located / where do you ship from?
We’re based in Nashik, Maharashtra. All orders are dispatched from Nashik.
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We accept UPI, cards, netbanking, and other checkout options shown on the payment page.
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We aim to supply genuine, new parts. For sourced items, we confirm availability and provide the best matching grade/brand possible.
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