| 型号 | 厂家 | 封装 | 批号 |
| UAA2077CM/C1 | PHILIPS | SSOP-20 | 22+ |
| UTC386 | UTC | SOP-8 | 22+ |
| U6805B | TEMIC | SOP-14 | 22+ |
| UMX3NTR | ROHm | SOT23-6 | 22+ |
| UPG101B | NEC | SMD-8 | 22+ |
| U842B | TEMIC | SOP-8 | 22+ |
| UDA1330ATS/N1 | PHILIPS | SSOP | 22+ |
| UC3173AQP | UNITRODE | PLCC-28 | 22+ |
| US3004CW | UNISEM | SOP-20 | 22+ |
| UPC78L05J | NEC | TO-92 | 22+ |
