MOC3081 Triac thyristor / SCR output

The MOC3081 is an optocoupler with a zero-crossing triac driver output, designed for interfacing between low-voltage control circuits and high-voltage AC loads. It consists of a gallium arsenide infrared emitting diode optically coupled to a monolithic silicon triac driver. This optocoupler is suitable for applications requiring safe and reliable control of AC loads, offering isolation between control and load circuits.

Key Features:

• Zero-crossing triac driver output
• Optically coupled isolation
• High input-to-output isolation voltage
• Low input current requirement
• High noise immunity
• Suitable for 115/240 VAC applications

Technical Specifications:

• Input Forward Current (IF): 10 mA (Maximum)
• Peak Forward Current (IFP): 1 A (1 µs pulse)
• Reverse Voltage (VR): 6 V
• Input Power Dissipation: 120 mW (No derating required up to Ta = 100°C)
• Output Power Dissipation: 150 mW
• Collector-Emitter Voltage (VCEO): 600 V
• Peak Repetitive Off-State Voltage: 600 V
• Peak Surge Current: 1 A
• Isolation Voltage: 5000 Vrms
• Operating Temperature Range: -40°C to +100°C
• Storage Temperature Range: -40°C to +125°C
• Lead Soldering Temperature: 260°C

Applications:

• Solenoid/Valve Controls: Used in controlling solenoid valves in various automation systems.
• Static Power Switches: Ideal for implementing solid-state switches for controlling AC power.
• Temperature Controls: Suitable for HVAC and other temperature control systems.
• AC Motor Starters: Effective for controlling the start-up of AC motors.
• Lighting Controls: Can be used to switch and control lighting systems.
• AC Motor Drives: Suitable for driving and controlling AC motors in industrial applications.
• E.M. Contactors: Used in controlling electromagnetic contactors in various applications.
• Solid State Relays: Ideal for building solid-state relay circuits for isolating and controlling AC loads.

Datasheet: For detailed technical information, refer to the MOC3081 datasheet.