Description
MOC8080 Zero Crossing Optocoupler DIP – Triac Driver Opto-Isolator IC
The MOC8080 zero crossing optocoupler is a reliable opto-isolated triac driver IC designed for safe and efficient AC load switching. It integrates an infrared LED and a zero-crossing triac output, allowing switching to occur precisely at the AC zero-voltage point. This feature significantly reduces electromagnetic interference (EMI), inrush currents, and electrical noise. Packaged in a robust DIP-6 through-hole package, the MOC8080 is widely used in solid state relays, AC motor controllers, heating systems, and mains-isolated control circuits.
| Specification | Details |
|---|---|
| Part Number | MOC8080 |
| Device Type | Optocoupler / Opto-Isolator |
| Output Type | Triac Driver Output |
| Zero Crossing Circuit | Yes (Built-In) |
| Isolation Voltage | Up to 5000Vrms (Typical) |
| Input Forward Current | 15mA Typical |
| Peak On-State Output Voltage | 1.7V Typical |
| Package Type | DIP-6 Through-Hole |
Applications
- AC solid state relays (SSR)
- Zero-noise AC load switching
- Heater and temperature control systems
- AC motor and fan control circuits
- Mains isolated microcontroller switching
How to Use
- Connect a current-limiting resistor in series with the input LED.
- Apply control signal from microcontroller or logic circuit.
- Use external power triac for high-current AC loads.
- Ensure load is AC only, not suitable for DC switching.
- Maintain proper PCB clearance and safety isolation distances.
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