AQY212GHAZ
Overview
The AQY212GHAZ is a PhotoMOS solid-state relay designed for high-capacity switching in a compact 4-pin SOP package. It offers a load voltage rating of 60V and can handle a continuous load current of 1.1A with low on-resistance. This device provides 5,000 V rms isolation between input and output, making it an ideal replacement for mechanical relays in sensitive electronic circuits.
Why Choose This Part
This photorelay eliminates the contact bounce and acoustic noise associated with mechanical relays while offering a much higher insulation voltage of 5,000 V rms. Its low 700 mOhm on-state resistance minimizes power dissipation when switching loads up to 1.1A.
Applications
Key Specifications
Getting Started
To integrate this device, provide a forward current (typically 5mA to 10mA) to the input LED via a current-limiting resistor calculated for the 1.14V drop. Ensure the PCB layout maintains creepage distances required for the 5,000 V rms isolation rating, and use the gull-wing leads for standard SMT reflow soldering.
AQY212 Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | Load Current | Package | Voltage - Input | On-State Resistance (Max) | Stock |
|---|---|---|---|---|---|
| AQY212GHAZ (this part) | 1.1 A | SMD-4 | 1.14V | 700 m | 2,895 |
| AQY212GHAX | 1.1 A | SMD-4 | 1.14V | 700 m | 14,508 |
| AQY212SX | 500 mA | SOP-4 | 1.14V | 2.5 Ohms | 23,592 |
| AQY212GSX | 1 A | SOP-4 | 1.32V | 700 m | 4,856 |
| AQY212GS | 1 A | SOP-4 | 1.32V | 700 m | 18,882 |
| AQY212GSZ | 1 A | SOP-4 | 1.32V | 700 m | 7,325 |
