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MOC3081 IC – Triac Driver Optocoupler IC

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₹84.00 (excluding 18% GST)

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Description

The MOC3081 is an optically isolated Triac driver. It consists of an LED on the input side and a phototriac on the output side. When a control signal drives the LED, it emits infrared light, triggering the phototriac, which in turn drives a larger Triac to switch the AC load. The MOC3081 is known for its high isolation voltage and ability to handle high static dv/dt conditions, making it suitable for noisy environments.

Features

  • High Isolation Voltage: Provides a high isolation voltage of 5,000 VRMS between the input and output, ensuring safety in circuits dealing with high voltages.
  • Low Input Current: The LED input requires a low drive current (10-15 mA typical), making it compatible with a wide range of control circuits, including microcontrollers and logic circuits.
  • High dv/dt Capability: The device can withstand high dv/dt (rate of change of voltage) without unintended triggering, making it reliable in environments with electrical noise.
  • Compact Package: Available in a standard 6-pin DIP or surface-mount package, making it easy to integrate into various designs.
  • Zero-Crossing Triggering (MOC3083): The MOC3081 does not have zero-crossing triggering, allowing it to trigger the Triac at any point in the AC waveform, suitable for phase control applications. For zero-crossing applications, the MOC3083 variant is available.
  • RoHS Compliant: The IC is environmentally friendly, meeting lead-free and RoHS compliance standards.

Specifications

  • Input LED Forward Voltage (Vf): 1.15V (typical)
  • Input LED Forward Current (If): 10-15 mA (typical for operation)
  • Isolation Voltage: 5,000 VRMS (min)
  • Output Peak Blocking Voltage: 600V (min)
  • Trigger Current (Igt): 5 mA (max)
  • Static dv/dt: 1.5 kV/μs (min)
  • Turn-On Time: 100 μs (max)
  • Holding Current (Ih): 5 mA (typical)
  • Operating Temperature Range: -40°C to +85°C
  • Package: 6-pin DIP or SMD

Applications

  • AC Load Switching: Suitable for controlling AC loads such as lights, heaters, and motors.
  • Solid-State Relays: Used in solid-state relay designs for controlling high-power AC loads with low-power control signals.
  • Industrial Control Systems: Ideal for use in industrial automation systems where electrical isolation and safe switching are essential.
  • Consumer Electronics: Commonly used in home appliances, HVAC systems, and other consumer electronics requiring safe and reliable AC load control.
  • Lighting Dimmers: Useful in applications that require phase control, such as light dimmers, where the absence of zero-crossing detection allows for variable phase angle triggering.

Note

* Product Images are shown for illustrative purposes only and may differ from actual product

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