MOC3021 optocoupler isolator

The MOC3021 is an optically isolated triac driver optocoupler designed to interface low voltage control signals to high voltage AC loads. It provides electrical isolation between the input and output circuits, ensuring safe operation. The MOC3021 integrates an infrared LED and a phototriac, making it suitable for applications such as solid-state relays, motor controls, and lamp dimmers.

Key Features:

• Optically isolated triac driver
• Non-zero crossing functionality
• High isolation voltage
• Low input current requirements
• Compact 6-pin DIP package
• High surge current capability
• Long operational life

Technical Specifications:

• Isolation Voltage: 7500 VRMS (1 minute)
• LED Forward Voltage: 1.2V (typical)
• LED Forward Current: 10mA (max)
• Output Peak Blocking Voltage: 400V
• Trigger Current (IFT): 15mA (max)
• Holding Current: 100µA (max)
• Operating Temperature Range: -40°C to +85°C
• Package: 6-pin DIP

Applications:

• Solid-State Relays: Provides isolation and control in solid-state relay circuits for switching AC loads.
• Lamp Dimmers: Used in light dimmer circuits for smooth and efficient control of lamp brightness.
• Motor Control: Provides isolation and control in motor drive circuits for industrial and consumer applications.
• AC Load Switching: Used in circuits that require reliable switching of AC loads with electrical isolation.
• Home Appliances: Ensures safe and efficient control in various home appliances requiring AC switching.
• Industrial Automation: Provides isolation and control in industrial automation systems.

Datasheet:
For detailed technical information, refer to the MOC3021 Datasheet.