| Manufacturer | Part Number | Description |
|---|---|---|
| H11AA2M | (H11AA1M - H11AA4M) AC Input/Phototransistor Optocouplers | |
| H11AA3M | (H11AA1M - H11AA4M) AC Input/Phototransistor Optocouplers | |
| H11AA4M | (H11AA1M - H11AA4M) AC Input/Phototransistor Optocouplers | |
| H11AA1M | (H11AA1M - H11AA4M) AC Input/Phototransistor Optocouplers |