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MOC3021 Optocoupler

  • Stock: 21

    Availability: InStock priceValidUntil: 2026-02-16

  • SKU: 134 | DAA201

Availability: InStock priceValidUntil: 2026-02-16

  • 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 invoice?
Yes — we provide a GST-compliant invoice with every order.
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.
What payment methods do you accept?
We accept UPI, cards, netbanking, and other checkout options shown on the payment page.
What details should I send for a bulk quote?
Send these details for an accurate bulk quote: - Part number(s) - Quantity required - Preferred brand (if any) - Product image (if possible) - Delivery address + PIN code - GST invoice needed (Yes/No) + GSTIN (if Yes)
Are components original / new?
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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