| 型号 | 检测能力 |
| TLP521-4GBSM | √ |
| TLP521-4GB | √ |
| TLP521-4/ALL | √ |
| TLP521-4(帖)(TLP521-4(X)) | √ |
| TLP521-4(GB) | √ |
| TLP521-4(DIP-16) | √ |
| TLP521-4(A,F) | √ |
| TLP521-4 | √ |
| TLP521-2-GB | √ |
| TLP521-2GB | √ |
| TLP521-2(GB) | √ |
| TLP521-2 | √ |
| TLP521-1-工业级,DIP4 | √ |
| TLP521-1X | √ |
| TLP521-1GB | √ |
| TLP521-1G | √ |
| TLP521-1(P521) | √ |
| TLP521-1(GR) | √ |
| TLP521-1(GB) | √ |
| TLP521-1 | √ |