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ONSEMI MOC3031M Triac Driver Optocoupler

The MOC3031M is a 6-pin DIP zero-cross triac driver optocoupler designed for safe and efficient AC power control. It features a GaAs infrared emitter and a silicon detector, providing a peak blocking voltage of 250 V, suitable for interface applications with logic systems and control circuits. Ideal for solenoid, valve, lighting, and motor control, it complies with safety standards UL1577 and IEC60747-5-5, offering high isolation voltage of 4170 VAC. The device ensures reliable operation in industrial, commercial, and consumer applications requiring 115 VAC switching with safety insulation.

Authorized Distributors
Source:Newark
Part No:MOC3031M
Stock:509
Inv Date:06-11-2026
Price: Unit price: $1.12
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Source:DigiKey
Part No:MOC3031M
Stock:409
Inv Date:06-11-2026
Price: Unit price: $1.47
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Part No:MOC3031M
Stock:998
Inv Date:06-12-2026
Price: Unit price: $1.12
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Part No:MOC3031M
Stock:3300
Inv Date:06-11-2026
Price: Unit price: $0.5476
Buy/RFQ:
Part No:MOC3031M
Stock:3300
Inv Date:06-11-2026
Price: Unit price: $0.5476
Buy/RFQ:
Part No:MOC3031M
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.53
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ONSEMI MOC3031M Triac Driver Optocoupler Specifications:

  • Peak blocking voltage: 250 V (MOC3031M), 400 V (MOC3041M)
  • Peak transient voltage: 1594 V (Method B)
  • Isolation voltage: 4170 VAC (1 minute)
  • Input forward voltage: 1.25–1.50 V at 30 mA
  • Maximum forward current: 60 mA
  • Lead temperature for soldering: 250°C
  • Operating temperature range: -40°C to +85°C
  • Storage temperature range: -40°C to +150°C
  • Total power dissipation: 250 mW (device), 120 mW (detector)
  • Response time: Zero cross detection for AC switching
  • Compliance: UL1577, IEC60747-5-5
  • Dimensions: Standard DIP package with 6 pins, suitable for PCB mounting
  • External creepage and clearance: 27 mm, 210 mm (lead spacing option)
  • RoHS compliant, Pb-free manufacturing

Buy the Fairchild Series MOC3031M Triac Driver: MOC3031M

Enhance your power switching systems with the reliable MOC3031M triac driver optocoupler. Designed for safe AC control, it features a peak voltage of 250 V, high isolation of 4170 VAC, and zero-cross detection for efficient switching. Perfect for industrial automation, lighting, and motor control, this device ensures compliance with UL and IEC standards. Easy to mount with a sturdy DIP package, it offers robust performance under varying environmental conditions. Buy online now for dependable performance in your control circuits.

Order your Fairchild Series MOC3031M triac driver optocoupler today and ensure safe, reliable AC power control in industrial and automation projects.

Frequently Asked Questions

Where can I buy ONSEMI MOC3031M?

You can click on the BUY or RFQ button to purchase MOC3031M from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part MOC3031M?

You can download the MOC3031M datasheet or visit the ONSEMI website for support.

Who is the manufacturer of MOC3031M?

ONSEMI

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