| 型号 | 制造商 | 描述 | 操作 |
| LS1240A [更多] | STMicroelectronics | Communication ICs - Various Two-Tone Ringer RoHS: Not compliant | 搜索 |
| E-LS1240A [更多] | STMicroelectronics | Communication ICs - Various Two-Tone Ringer RoHS: Compliant | 搜索 |
| E-LS1240AD1 [更多] | STMicroelectronics | Communication ICs - Various Two-Tone Ringer RoHS: Compliant | 搜索 |
