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MOC3021 Optocoupler


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  • Stock: 10

    Availability: InStock priceValidUntil: 2026-04-14

  • SKU: 134 | DAA201

Availability: InStock priceValidUntil: 2026-04-14

  • 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.
How long does dispatch take?
In-stock items typically dispatch within 1–2 working days. If any item needs sourcing, we’ll update you with the expected timeline before dispatch.
I forgot to add GST number at time of placing order, but I need GST Invoice in my firms name?
You can contact us via Contact us page and send your order details and GST number we will send you updated Invoice soft copy.
Do you accept bulk / OEM orders?
Yes — we handle bulk orders and OEM supply requests across India. Share part number and quantity for a quote.
Do you supply branded parts (Texas Instruments, ST, Vishay, etc.)?
Yes — if a brand/manufacturer is listed on the product page. If not listed, share the exact manufacturer + part number and we’ll check sourcing options.
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