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MOC3021M The ON Semiconductor MOC3021M is a Triac driver output optocoupler designed for interfacing electronic controls with power triacs. It features a 400V peak blocking voltage and operates over a temperature range of -40°C to 85°C.
Mfr Part #:

MOC3021M

Available from 6 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor MOC3021M is a Triac driver output optocoupler designed for interfacing electronic controls with power triacs. It features a 400V peak blocking voltage and operates over a temperature range of -40°C to 85°C.
✓ Total Stock: 2,496,706 pcs
$ Price Range: $7.60

MOC3021M Available from 6 distributors

✓ Authorised
✓ Non-Authorised
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

MOC3021M Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Approval Agency
Current
Mounting Type
Number of Channels
Operating Temperature
Output Type
Output Voltage
Supplier Device Package
Voltage
Zero Crossing Circuit
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MOC3021M Description

Short technical summary and product information.

The MOC3021M from ON Semiconductor is an optically isolated triac driver optocoupler. It contains a GaAs infrared emitting diode coupled to a light-activated silicon bilateral switch, functioning as a triac.

 

This device is designed for interfacing between electronic controls and power triacs to manage resistive and inductive loads for 115V AC operations. Key electrical specifications include a peak repetitive off-state voltage of 400V, an isolation voltage of 5.3kV, and an input current of 10mA typical.

 

The MOC3021M operates within a temperature range of -40°C to 85°C. It is housed in a standard 6-pin DIP package suitable for through-hole mounting.

 

Applications for this optocoupler include industrial controls, solenoid/valve controls, traffic lights, static AC power switches, vending machines, incandescent lamp dimmers, solid-state relays, motor control, and lamp ballasts.

MOC3021M Quick Information

Product Type: Optocoupler
Canonical Name: MOC3021M Triac Driver Output Optocoupler
Subcategory: Triac/SCR Output

MOC3021M Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MOC3021M Estimated Pricing

Qty Low High
1+ $7.60 $7.60

Estimated market price range - modelled values for guidance only, not live distributor offers.

MOC3021M Features

  • 400V peak repetitive off-state voltage.
  • 5.3kV isolation voltage rating.
  • 10mA typical input current.
  • Non-zero crossing triac output.
  • Standard 6-pin DIP package.

MOC3021M Applications

  • Used in industrial control systems.
  • Suitable for solenoid and valve control.
  • Applicable for traffic light control.
  • Enables static AC power switching.
  • Ideal for solid-state relay designs.

MOC3021M FAQs

7 frequently asked questions generated from this part’s specifications.
What is the peak repetitive off-state voltage for the MOC3021M?

The MOC3021M has a peak repetitive off-state voltage of 400V.

What is the isolation voltage of the MOC3021M optocoupler?

The isolation voltage for the MOC3021M is 5.3kV.

What is the typical input current required for the MOC3021M?

The MOC3021M requires a typical input current of 10mA.

What is the operating temperature range for the MOC3021M?

The MOC3021M operates within a temperature range of -40°C to 85°C.

What type of output does the MOC3021M optocoupler provide?

The MOC3021M provides a Triac output.

Does the MOC3021M feature a zero crossing circuit?

No, the MOC3021M does not feature a zero crossing circuit.

What is the package type for the MOC3021M?

The MOC3021M is supplied in a 6-DIP package.

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