The MOC3021 Optoisolator Triac Driver IC DIP-6 is a widely used optoisolator with Triac driver output, designed for safe and reliable switching of AC loads. It features an infrared LED optically coupled to a light-activated triac in a compact 6-pin DIP package, enabling electrical isolation between low-voltage control circuitry and high-voltage AC circuits.
Ideal for applications such as solid-state relays, light dimmers, motor control, and AC load switching, the MOC3021 ensures low power consumption and excellent noise immunity. This device provides non-zero-crossing turn-on, allowing it to switch the load at any point in the AC cycle, making it suitable for phase control applications.
Features:
- Part Number: MOC3021
- Package Type: DIP-6
- Input Type: Infrared LED
- Output Type: Light-activated Triac
- Isolation Voltage: 5300 Vrms
- Triggering: Non-zero crossing
- Operating Voltage: Up to 400V AC load switching
- CTR (Current Transfer Ratio): Consistent and stable
- Low input drive current required
- High noise immunity
Applications:
- Solid-state relays (SSR)
- AC load switching
- Phase control applications
- Lamp and fan dimmers
- Motor speed control circuits
- Microcontroller interfacing with AC appliances
- Home automation and smart control systems
Package Includes:
- 1 x MOC3021 Triac Driver Optoisolator IC DIP-6
Note: Image is for reference only.

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