Product Images are shown for illustrative purposes only and may differ from actual product.

MOC3021 Optocoupler

  • Stock: 21

    Availability: InStock priceValidUntil: 2026-03-23

  • SKU: 134 | DAA201

Availability: InStock priceValidUntil: 2026-03-23

  • 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

Reviews (0)

Write a review

Note: HTML is not translated!
    Bad           Good
CAPTCHA verification code

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.
Do you ship all over India?
Yes — we dispatch orders across India.
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.
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.

NEW Products

Product Page : New Products

SanDisk Ultra 32GB Class10 Micro SD Card

SanDisk Ultra 32GB Class10 Micro SD Card SanDisk Ultra 32GB Micro SD Card, Class 10, with speed up t..

Rs.1,132.80 (inc GST)
Rs.960.00 + GST

SKU: 7972 | DAC880
Stock: 7

2 Pin 2.50mm SHS FEMALE TO FEMALE Connector

2 Pin 2.50mm SHS Female to Female Connector 2 Pin 2.50mm SHS Female to Female Connector for reliabl..

Rs.12.44 (inc GST)
Rs.10.54 + GST

SKU: 9270 | DAE999
Stock: 15

A2409S-2WR2 Mornsun DC-DC Converter

Mornsun DC-DC Converter A2409S-2WR2 2W Power Supply A2409S-2WR2 DC-DC Converter, 2W isolated power ..

Rs.424.80 (inc GST)
Rs.360.00 + GST

SKU: 3962 | DAG662
Stock: 5

DFRobot Fermion: MEMS Smoke Detection Sensor - 10-1000ppm Range (Ethanol Compatible, Breakout)

DFRobot Fermion: MEMS Smoke Detection Sensor - 10-1000ppm Range (Ethanol Compatible, Breakout)Ultra-..

Rs.539.00 (inc GST)
Rs.456.78 + GST

SKU: 10384 | DAJ216
Stock: 10

Have You Seen

Product Page : Have You Seen

Xbee/Zigbee PRO Shield

Arduino Xbee/Zigbee PRO Shield for Wireless Communication Xbee/Zigbee PRO Shield for Arduino UNO en..

Rs.353.06 (inc GST)
Rs.299.20 + GST

SKU: 479 | DAB355
Stock: 1

Nextion Intelligent NX4827P043-011C-Y 4.3" Capacitive Touchscreen Display with Bezel

Nextion NX4827P043-011C-Y 4.3" Intelligent Capacitive HMI Display NX4827P043-011C-Y - 4.3" Capacitiv..

Rs.6,703.38 (inc GST)
Rs.5,680.83 + GST

SKU: 2875 | DAE528
Stock: 5

3.5mm Stereo Audio Female Jack

3.5mm Stereo Audio Female JackA 3.5 mm Audio jack can directly be inserted into it.This high quality..

Rs.33.04 (inc GST)
Rs.28.00 + GST

SKU: 1385 | DAB137
Stock: 1

CH9344 USB to Quad Serial Ports Chip IC

CH9344 USB to Quad Serial Ports Chip IC CH9344 USB to Quad Serial Ports Chip IC is a USB bus convert..

Rs.442.50 (inc GST)
Rs.375.00 + GST

SKU: 7307 | DAF482
Stock: 3

Related Products

WCS1700 Hall Effect Linear Current Sensor

WCS1700 Hall Effect Linear Current Sensor

WCS1700 Hall Effect Current Sensor WCS1700 sensor detects 0 to 70A current with 33mV/A sensitivity ..

Rs.306.80 (inc GST)
Rs.260.00 + GST

SKU: 305 | DAA587
Stock: 17
BTA41-600B TRIAC

BTA41-600B TRIAC

BTA41 TRIACThe BTA41-600BRG is a TRIAC for phase control operations in light dimmers, motor speed co..

Rs.212.40 (inc GST)
Rs.180.00 + GST

SKU: 552 | DAA189
Stock: 21
6N136 Optocoupler

6N136 Optocoupler

6N136 OptocouplerThe 6N136 is an optocoupler with a GaAIAs infrared emitting diode, optically couple..

Rs.28.32 (inc GST)
Rs.24.00 + GST

SKU: 554 | DAA198
Stock: 30
TLP350 Optocoupler MOSFET & IGBT Driver

TLP350 Optocoupler MOSFET & IGBT Driver

TLP350 Optocoupler MOSFET & IGBT DriverThe TOSHIBA TLP350 consists of a GaAℓAs light-emitting di..

Rs.67.97 (inc GST)
Rs.57.60 + GST

SKU: 780 | DAA392
Stock: 35
MOC3041 Optoisolator Triac Driver

MOC3041 Optoisolator Triac Driver

MOC3041 Optoisolator Triac DriverMOC3041 Optoisolator Triac DriverThe MOC3041, MOC3042 and MOC3043 d..

Rs.28.32 (inc GST)
Rs.24.00 + GST

SKU: 782 | DAA202
Stock: 21
BT136-600D TRIAC

BT136-600D TRIAC

BT136-600D TRIACBT136-600D TRIACBT136 is Planar passivated very sensitive gate four quadrant TRIAC i..

Rs.16.99 (inc GST)
Rs.14.40 + GST

SKU: 950 | DAA188
Stock: 3
MOC3023 Optocoupler

MOC3023 Optocoupler

MOC3023 Optocoupler/OptoisolatorThis is a DIP MOC3023 Opto-coupler used mostly for driving Triacs an..

Rs.22.42 (inc GST)
Rs.19.00 + GST

SKU: 987 | DAA200
Stock: 3
Moc 3021 Surface Mount SMD IC

Moc 3021 Surface Mount SMD IC

MOC 3021 Surface Mount OptoCoupler IC MOC 3021 SMD IC for signal isolation with 5 kV isolation volta..

Rs.69.38 (inc GST)
Rs.58.80 + GST

SKU: 2390 | DAC226
Stock: 0
MOC3022 Triac OptoIsolator IC DIP-6 Package DIP-6 Package

MOC3022 Triac OptoIsolator IC DIP-6 Package DIP-6 Package

MOC3022 Triac OptoIsolator IC DIP-6 Package DIP-6 PackageMOC3022 Triac OptoIsolator IC DIP-6 Package..

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

SKU: 3339 | DAD096
Stock: 50
CP10501 CVTI SOT23 5 Voltage Regulator SMD IC

CP10501 CVTI SOT23 5 Voltage Regulator SMD IC

CP10501 CVTI SOT23 5 Voltage Regulator SMD IC CP10501 CVTI SOT23 5 Voltage Regulator SMD IC offers ..

Rs.207.68 (inc GST)
Rs.176.00 + GST

SKU: 7877 | DAH468
Stock: 0