| Manufacturer | Part Number | Description |
|---|---|---|
| QTLP320C-Y | 4 - PIN POWER LED | |
| TLP320-2 | Photocoupler | |
| QTLP320C-R | 4 - PIN POWER LED | |
| QTLP320C-E | 4 - PIN POWER LED | |
| TLP320 | Photocoupler | |
| TLP3203 | Photocoupler Photorelay | |
| TLP320-4 | Photocoupler | |
Toshiba
| TLP320-3 | Solid State Relay |