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MOC3021SR2M The ON Semiconductor MOC3021SR2M is a Triac driver output optocoupler designed for interfacing electronic controls with power triacs. It features a 400V peak blocking voltage and a 6-SMD package.
Mfr Part #:

MOC3021SR2M

Available from 3 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor MOC3021SR2M is a Triac driver output optocoupler designed for interfacing electronic controls with power triacs. It features a 400V peak blocking voltage and a 6-SMD package.
✓ Total Stock: 109,718 pcs
$ Price Range: $7.60

MOC3021SR2M Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
61,477 pcs
On Request
61477 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
48,211 pcs
On Request
48211 pcs On Request 1 On Request On Request 15+ On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
30 pcs
On Request
30 pcs On Request 1 On Request On Request On Request On Request On Request
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.

MOC3021SR2M 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
Supplier Device Package
Supplier Package
Tape & Reel
Voltage
Zero Crossing Circuit
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MOC3021SR2M Description

Short technical summary and product information.

The MOC3021SR2M from ON Semiconductor is an optically isolated triac driver optocoupler. It is designed to interface between electronic controls and power triacs for controlling resistive and inductive loads. This device features a peak blocking voltage of 400V and an isolation voltage of 4170Vrms.

 

The optocoupler contains a GaAs infrared emitting diode and a light-activated silicon bilateral switch that functions like a triac. It has a maximum LED trigger current (IFT) of 15mA and operates without a zero crossing circuit. The operating temperature range is -40°C to 85°C.

 

This component is supplied in a 6-SMD, Gull Wing package, suitable for surface mounting. It is RoHS3 compliant and has an MSL rating of 1.

 

Applications for the MOC3021SR2M 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.

MOC3021SR2M Quick Information

Product Type: Optocoupler
Canonical Name: MOC3021SR2M Triac Driver Output Optocoupler
Subcategory: Triac, SCR Output

MOC3021SR2M Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Pb-Free

MOC3021SR2M Estimated Pricing

Qty Low High
1+ $7.60 $7.60

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

MOC3021SR2M Features

  • 400V peak blocking voltage.
  • 4170Vrms isolation voltage.
  • 15mA maximum LED trigger current.
  • Surface mount 6-SMD package.
  • Random-phase triac driver output.

MOC3021SR2M Applications

  • Used in industrial control systems.
  • Suitable for solenoid and valve controls.
  • Applicable for static AC power switching.
  • Ideal for solid-state relay designs.
  • Used in motor control applications.

MOC3021SR2M FAQs

5 frequently asked questions generated from this part’s specifications.
What is the peak blocking voltage for the MOC3021SR2M?

The peak blocking voltage is 400 V.

What is the isolation voltage of the MOC3021SR2M optocoupler?

The isolation voltage is 4170Vrms.

What is the operating temperature range for the MOC3021SR2M?

The operating temperature range is -40°C to 85°C.

What type of package is the MOC3021SR2M supplied in?

It is supplied in a 6-SMD, Gull Wing package.

Does the MOC3021SR2M have a zero crossing circuit?

No, the MOC3021SR2M does not have a zero crossing circuit.

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