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ONSEMI MOC3021M Power Isolation Optocoupler

The MOC3021M is a 6-pin DIP optocoupler designed for isolation and control applications in industrial controls, motor control, and power switching. It features high safety and regulatory approvals, with a peak blocking voltage of 400 V and isolation voltage of 4170 VAC for 1 minute. Suitable for interfacing between low-voltage control circuits and high-voltage power circuits, this device ensures safe electrical isolation and reliable operation in resistive and inductive loads. Ideal for static AC power switches, lamp dimmers, and solid-state relays, it maintains high performance with low emission and robust insulation characteristics.

Authorized Distributors
Source:Newark
Part No:MOC3021-M
Stock:305
Inv Date:06-10-2026
Price: Unit price: $0.783
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Source:Newark
Part No:MOC3021M
Stock:3684
Inv Date:06-10-2026
Price: Unit price: $0.783
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Part No:MOC3021M
Stock:26000
Inv Date:06-11-2026
Price: Unit price: $0.72
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Part No:MOC3021M
Stock:6321
Inv Date:06-11-2026
Price: Unit price: $0.62
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Part No:MOC3021M
Stock:3500
Inv Date:06-11-2026
Price: Unit price: $0.2158
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Part No:MOC3021M
Stock:3500
Inv Date:06-11-2026
Price: Unit price: $0.2158
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Part No:MOC3021M
Stock:30313
Inv Date:06-10-2026
Price: Unit price: $0.166
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Source:Arrow EU
Part No:MOC3021M
Stock:576
Inv Date:06-11-2026
Price: N/A
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Part No:MOC3021M
Stock:17
Inv Date:06-11-2026
Price: N/A
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ONSEMI MOC3021M Power Isolation Optocoupler Specifications:

  • Peak Blocking Voltage: 400 V
  • Isolation Voltage: 4170 VAC for 1 minute
  • Pin Count: 6-pin DIP
  • Package Type: DIP and SMT options
  • Isolation Resistance: > 1 GΩ at 500 V
  • Operating Temperature Range: -40°C to +85°C
  • Storage Temperature Range: -40°C to +150°C
  • Maximum Power Dissipation: 300 mW at 25°C
  • Insulation Class: DIN VDE 0110/1.89 Class 150 Vams HV
  • Climatic Classification: 40/85/21
  • Pollution Degree: 2
  • External Creepage/clearance: 27 mm
  • Testing Voltage (Input-to-Output): 1594 V
  • Trigger Current (typ): 15-30 mA depending on model
  • LED Forward Voltage: 1.15-1.50 V at 10 mA
  • Surge Current: 1 A peak
  • Maximum Reverse Voltage: 3 V

Buy the ON Semiconductor Series MOC3021M Power Isolation: MOC3021M

Discover the reliability and safety of the ON Semiconductor Series MOC3021M power isolation optocoupler. Perfect for industrial control, motor, and power switching applications, it provides high voltage protection with a peak blocking voltage of 400 volts and insulation up to 4170 VAC for one minute. The device features robust safety ratings, low emission, and is available in multiple packaging options including DIP and SMT to suit various circuit needs. Ensure your control systems are safe and compliant by purchasing this high-performance optocoupler online today.

Order your ON Semiconductor Series MOC3021M power isolation optocoupler today and ensure your industrial and power control projects operate safely and reliably.

Frequently Asked Questions

Where can I buy ONSEMI MOC3021M?

You can click on the BUY or RFQ button to purchase MOC3021M from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part MOC3021M?

You can download the MOC3021M datasheet or visit the ONSEMI website for support.

Who is the manufacturer of MOC3021M?

ONSEMI

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