Products > Optoelectronics > Optocouplers / Photocouplers > MOC3021

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Triac & SCR Output Optocouplers Optocoupler TRIAC

Manufacturer : LITE-ON
Package/Case : DIP-6
Product Categories : Optocouplers / Photocouplers
Datasheet: MOC3021 Datasheet (PDF)
RoHs Status: Lead free / RoHS Compliant
In-stock: 65227


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MOC3021 Product Details

The MOC3020 Seriesconsists of gallium arsenide infrared emitting diodes, optically coupled to a silicon bilateral switch.

• To order devices that are tested and marked per VDE 0884 requirements, the suffix ”V” must be included at end of part number. VDE 0884 is a test option.
They are designed for applications requiring isolated triac triggering.

Recommended for 115/240 Vac(rms) Applications:
1. Solenoid/Valve Controls
2. Static ac Power Switch
3. Lamp Ballasts
4. Interfacing Microprocessors to 115 Vac Peripherals
5. Incandescent Lamp Dimmers
6. Motor Controls
7. Solid State Relays


Technical Parameters

  • Output Device
  • PhotoTriac
  • Number of Channels per Chip
  • 1 Channel
  • Isolation Voltage
  • 5000 Vrms
  • Forward Current
  • 50 mA
  • Forward Voltage
  • 1.2 V
  • Maximum Trigger Current
  • 8 mA
  • Off state Output Voltage VDRM
  • 400 V
  • Maximum Continuous Output Current
  • 100 mA
  • Zero Crossing Circuit
  • No
  • Packaging
  • Tube
  • Maximum Operating Temperature
  • + 100 C
  • Maximum Turn On Time
  • 20 us
  • Minimum Operating Temperature
  • - 40 C
  • Output Type
  • AC
  • Package / Case
  • PDIP-6
  • Power Dissipation
  • 330 mW
  • Factory Pack Quantity
  • 65

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Shipping More
Estimated Delivery Time: Apr 18 - Apr 23 days (choose Expedited at checkout).

Shipping & Payment


  • Shipping Type
  • Ship Fee
  • Lead Time
  • $20.00-$40.00 (0.50 KG)
  • 2-5 days
  • $20.00-$40.00 (0.50 KG)
  • 3-7 days
  • $20.00-$45.00 (0.50 KG)
  • 2-5 days
  • $25.00-$65.00 (0.50 KG)
  • 2-5 days
  • $25.00-$45.00 (0.50 KG)
  • 5-14 days
  • $2.00-$3.00 (0.10 KG)
  • 7-30 days

Processing Time:Shipping fee depend on different zone and country.


  • Terms of payment
  • Hand Fee
  • Payment Site
  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
  • charge US$0.00 banking fee.

We provide high quality products, thoughtful service and after sale guarantee

  • We have rich products, can meet your various needs.

    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

  • Lowest international shipping fee starts from US$2.00.

    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.


  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing


1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


Q: How does Jotrin guarantee that MOC3021 is the original manufacturer or agent of LITE-ON?
We have a professional business development department to strictly test and verify the qualifications of LITE-ON original manufacturers and agents. All LITE-ON suppliers must pass the qualification review before they can publish their MOC3021 devices; we pay more attention to the channels and quality of MOC3021 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of MOC3021 chips? Including LITE-ON original factory information, Optocouplers / Photocouplers application, MOC3021 pictures?
You can use Jotrin's intelligent search engine, or filter by Optocouplers / Photocouplers category, or find it through LITE-ON brand manufacturer page.
Q: Are the LITE-ON's MOC3021 price and stock displayed on the platform accurate?
The LITE-ON's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for MOC3021, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of MOC3021?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the MOC3021 we delivered, we will accept the replacement or return of the MOC3021 only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of MOC3021.
(3)The MOC3021 is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as MOC3021 datasheet pdf, MOC3021 pin diagram?
Need any After-Sales service, please feel free contact us:

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