What is the Additional Feature ?

Name: MOC3021SM
Brand: ON Semiconductor
SKU: MOC3021SM
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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ON Semiconductor MOC3021SM

Part No.:: MOC3021SM

Manufacturer:: ON Semiconductor

Package:: 6-SMD, Gull Wing

Datasheet:: MOC3021SM.pdf

Description:: OPTOISOLATOR 4.17KV TRIAC 6SMD

In Stock:: 501

Quantity:: Add To Cart

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MOC3021SM this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MOC3021SM price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for MOC3021SM to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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MOC3021SM Typical application Circuitry

MOC3021SM

The MOC3021SM is a versatile optoisolator with an integrated triac driver. It is specifically engineered for interfacing with AC loads while providing electrical isolation between low-power control circuitry and high-power load.

Functions and Features: MOC3021SM is ideal for AC switching and control applications, boasting features like high isolation voltage and low input current requirement. The key to its effectiveness is in providing electrical isolation, allowing the low-power control circuit to safely manage high-power AC loads.

Application Areas: One of the common utilizations of the MOC3021SM is in the field of microcontroller-based AC load control where electrical isolation and noise immunity are critical.

Parameter Highlights: Key parameters that make the MOC3021SM popular include its ability to handle a considerable voltage, its low triggering current, and its rapid response time, ensuring efficient and safe operation in varied environments.

Circuit Integration for Microcontroller-Based AC Load Control:

1. Input Interface

- Control Signal Attachment: Connect the microcontroller's output pin to Pin 1 of the MOC3021SM to facilitate the triggering of the optoisolator.

- Current Limiting Implementation: Integrate a current limiting resistor to Pin 2 to protect the internal LED from excessive current and enhance its lifespan.

2. Output Connection

- Triac Gate Linking: Solder Pin 6 to the gate of an external power triac ensuring that the MOC3021SM effectively triggers it during operation.

- Circuit Completion: Affix Pin 4 to the AC neutral line, completing the electrical circuit and enabling the activation of the AC load.

3. Isolation Augmentation

- Physical Separation: Keep the low-power and high-power sections physically separate on the PCB, boosting the MOC3021SM's isolation capability.

- Insulation Enhancement: Boost insulation around Pin 4 and 6 to reinforce electrical isolation, safeguarding the low-power control section.

4. Additional Component Integration

- Snubber Circuit Incorporation: Add a snubber circuit to the terminals of the power triac connected to the MOC3021SM to mitigate voltage spikes and enhance reliability.

- Thermal Management Solution: Integrate heat sinks when the power triac handles significant loads, ensuring thermal stability and component longevity.

Consideration During Design

1. Electrical Noise Mitigation

- Filtering Techniques: Incorporate filters to reduce electrical noise, ensuring the MOC3021SM's reliable operation even in electronically noisy environments.

- Grounding Efficiency: Optimize the grounding to minimize noise interference, ensuring signal fidelity and reliable operation.

2. Safety and Reliability Protocols

- Isolation Assurance: Regularly inspect the MOC3021SM's isolation features ensuring they remain intact and effective.

- Routine Monitoring: Implement systematic checks to verify the overall circuit's integrity, ensuring safe and reliable operation.

Embedding the MOC3021SM into microcontroller-based AC load control systems is emblematic of achieving electrical isolation, control precision, and operational safety. When integrating this optoisolator, adherence to the outlined guidelines is essential, guaranteeing optimal performance and reliability:

MOC3021SM information

MOC3021SM Specifications

Packaging:
Tube
Series:
-
ProductStatus:
Active
OutputType:
Triac
ZeroCrossingCircuit:
No
NumberofChannels:
1
Voltage-Isolation:
4170Vrms
Voltage-OffState:
400 V
StaticdV/dt(Min):
-
Current-LEDTrigger(Ift)(Max):
15mA
Current-OnState(It(RMS))(Max):
-
Current-Hold(Ih):
100µA (Typ)
TurnOnTime:
-
Voltage-Forward(Vf)(Typ):
1.15V
Current-DCForward(If)(Max):
60 mA
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

MOC3021SM FAQ

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3. Are the MOC3021SM price and inventory displayed accurate?

The price and inventory of MOC3021SM fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of MOC3021SM?

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 MOC3021SM we delivered, we will accept the replacement or return of the MOC3021SM 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 MOC3021SM.

(3)The PartNo 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