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Name: MOC3021TM
Brand: Fairchild Semiconductor
SKU: MOC3021TM
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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Fairchild Semiconductor MOC3021TM

Part No.:: MOC3021TM

Manufacturer:: Fairchild Semiconductor

Package:: 6-DIP (0.400, 10.16mm)

Datasheet:: MOC3021TM.pdf

Description:: TRIAC OUTPUT OPTOCOUPLER

In Stock:: 3447

Quantity:: Add To Cart

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MOC3021TM Specifications

Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
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:
Through Hole

MOC3021TM this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MOC3021TM 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 MOC3021TM 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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MOC3021TM information

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MOC3021TM Typical application Circuitry

MOC3021TM

The MOC3021TM is a specialized optoisolator chip used for controlling power to a load while maintaining electrical isolation between the control circuit and the load.

Functionality: The MOC3021TM optoisolator is pivotal in applications requiring control of AC power while ensuring that the control and load circuits are electrically isolated.

Application Scenario: It is commonly used in motor control systems, solid-state relays, and other applications where the control of high voltages and currents is required while maintaining electrical isolation.

Key Specifications: The device features a gallium arsenide infrared LED and a silicon bilateral switch, ensuring rapid response and high efficiency while minimizing the input current requirements.

Detailed Application in a Solid-State Relay

1. LED Connection:

- Forward Bias: The MOC3021TM's pin 1 (anode) should be connected to the positive terminal of the control signal source, and pin 2 (cathode) to the negative terminal.

- Current Limiting: To keep an LED from drawing too much current and burning out, connect a current limiting resistor in series with it.

2. Output of Triac Driver:

- Connection Orientation: Pin 6 (main terminal) should be connected to one end of the AC load, while pin 4 (main terminal) should be connected to the AC power source.

- Isolation: Ensure there is no direct electrical connection between the input and output terminals to maintain electrical isolation.

3. Zero Crossing Detection:

- Connection Consideration: Though MOC3021TM does not have built-in zero-crossing detection, it can be connected to a zero-crossing detection circuit to enhance efficiency and reduce noise.

- Noise Reduction: By guaranteeing that switching takes place at the AC waveform's zero-crossing point, electromagnetic interference and noise are reduced.

4. Circuit Snubber:

- Integration Need: A snubber circuit connected across pins 4 and 6 of the MOC3021TM is crucial to absorb voltage spikes and prevent false triggering.

- Component Selection: The snubber typically consists of a series resistor and capacitor; values should be chosen based on the specific load and application requirements.

Design Considerations

1. Electrical Isolation:

- Material Use: The MOC3021TM should be mounted in a manner that maximizes the physical and electrical separation between the input and output terminals.

- Safety Protocols: Adherence to safety standards and regulations is essential to prevent electrical shocks and ensure user safety.

2. Thermal Management:

- Heat Dissipation: Effective heat dissipation mechanisms should be in place to ensure that MOC3021TM operates within the safe temperature range.

- Environment Monitoring: Monitor the operating environment to prevent overheating and ensure optimal performance.

3. Testing and Validation:

- Performance Check: Regular tests should be conducted to validate the performance of MOC3021TM and the entire circuit.

- Quality Assurance: To guarantee the dependability and longevity of the application, every component needs to be of the highest caliber.

The MOC3021TM stands as a robust choice for applications demanding precise AC power control with the added benefit of electrical isolation. Ensuring proper connection, adhering to safety standards, and incorporating effective thermal management is key to harnessing the full potential of this optoisolator:

MOC3021TM FAQ

1. How to order MOC3021TM on icwhale.com?

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2. How does icwhale.com guarantee that MOC3021TM is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the MOC3021TM. All suppliers must pass our qualification reviews before they can publish their products including MOC3021TM on icwhale.com; we pay more attention to the channels and quality of MOC3021TM products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the MOC3021TM price and inventory displayed accurate?

The price and inventory of MOC3021TM 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 MOC3021TM?

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 MOC3021TM we delivered, we will accept the replacement or return of the MOC3021TM 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 MOC3021TM.

(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