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

MOC3021 Optocoupler


Write a review | 0 reviews

  • Stock: 21

    Availability: InStock priceValidUntil: 2026-03-02

  • SKU: 134 | DAA201

Availability: InStock priceValidUntil: 2026-03-02

  • 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

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.
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.
View all FAQs →

NEW Products

Product Page : New Products

CSN-AZXK WITH SWITCH

CSN-AZXK WITH SWITCH

CSN-AZXK Current Sensor Module with Switch CSN-AZXK Current Sensor Module, measures low to medium c..

Rs.2,230.20 (inc GST)
Rs.1,890.00 + GST

SKU: 9829 | DAC528
Stock: 5
XL2596 3.3Volt PWM Stepdown DC/DC Buck Converter TO-220-5 IC

XL2596 3.3Volt PWM Stepdown DC/DC Buck Converter TO-220-5 IC

XL2596 3.3V PWM Stepdown DC/DC Buck Converter ICXL2596 3.3V DC/DC Buck Converter for efficient volta..

Rs.46.14 (inc GST)
Rs.39.10 + GST

SKU: 7253 | DAF751
Stock: 150
Write review
Keltron Supercapacitor 500 Farad 2.7 Volts EDLC

Keltron Supercapacitor 500 Farad 2.7 Volts EDLC

Keltron Supercapacitor 500 Farad EDLC Energy StorageKeltron 500F 2.7V Supercapacitor - High power de..

Rs.2,495.70 (inc GST)
Rs.2,115.00 + GST

SKU: 10265 | DAJ149
Stock: 5
CD4081 AND Gate

CD4081 AND Gate

CD4081 Quad AND Gate ICCH4081 Quad 2 input AND Gate ICThe CD4081 is a quad 2-input AND gate. The out..

Rs.27.14 (inc GST)
Rs.23.00 + GST

SKU: 1998 | DAA135
Stock: 8

Have You Seen

Product Page : Have You Seen

HLK-5M12L 12 Volt 5W Power Module

HLK-5M12L 12 Volt 5W Power Module

HLK-5M12L 12V 5W Power Supply Module HLK-5M12L 12V 5W Power Module with AC to DC conversion, low ri..

Rs.241.90 (inc GST)
Rs.205.00 + GST

SKU: 3660 | DAF601
Stock: 5
IRFB260N Power MOSFET

IRFB260N Power MOSFET

IRFB260N Power MOSFET by DNA SolutionsIRFB260N Power MOSFET, Low Gate-to-Drain Charge, 380W Power Di..

Rs.152.22 (inc GST)
Rs.129.00 + GST

SKU: 1155 | DAA179
Stock: 44
Write review
Mornsun URA2405YMD-6WR3 DC-DC Converter Module

Mornsun URA2405YMD-6WR3 DC-DC Converter Module

Mornsun URA2405YMD-6WR3 DC-DC Converter ModuleMornsun URA2405YMD-6WR3 offers DC-DC conversion with 5..

Rs.758.56 (inc GST)
Rs.642.85 + GST

SKU: 10570 | DAJ642
Stock: 10
Write review
IR Sensor Dispenser Board 8-24 Volts

IR Sensor Dispenser Board 8-24 Volts

IR Sensor Based Dispenser Board (8 - 24 Volts)IR Sensor based Dispenser Board for Automatic Hand San..

Rs.501.50 (inc GST)
Rs.425.00 + GST

SKU: 2537 | DAC850
Stock: 10
Write review

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: -10
Write review
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
Write review
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
Write review
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
Write review
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
Write review
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
Write review