| Manufacturer | Part Number | Description |
|---|---|---|
| Nanjing Ouzhuo Technology | OH137 | Unipolar Hall-Effect Switch |
| NAN JING ECH | RN8209 | Single-phase metering IC |
| Nan Jing Ech | ATT7030 | High-precision three-phase active power metering |
| Nanjing Ouzhuo Technology | MMLP57F | TMR Linear Sensor |
