| PartNumber | APT1231A | APT1231 | APT1231AX |
| Description | Triac & SCR Output Optocouplers | Triac & SCR Output Optocouplers | Triac & SCR Output Optocouplers |
| Manufacturer | Panasonic | Panasonic | Panasonic |
| Product Category | Triac & SCR Output Optocouplers | Triac & SCR Output Optocouplers | Triac & SCR Output Optocouplers |
| RoHS | Y | Y | Y |
| Package / Case | DIP-4 | DIP-4 | DIP-4 |
| Zero Crossing Circuit | With Zero-Crossing Circuit | With Zero-Crossing Circuit | With Zero-Crossing Circuit |
| Output Type | PhotoTriac | PhotoTriac | PhotoTriac |
| Number of Channels | 1 Channel | 1 Channel | 1 Channel |
| Isolation Voltage | 5000 Vrms | 5000 Vrms | 5000 Vrms |
| If Forward Current | 50 mA | 50 mA | 50 mA |
| Vf Forward Voltage | 1.21 V | 1.21 V | 1.21 V |
| Pd Power Dissipation | 500 mW (1/2 W) | 500 mW (1/2 W) | 500 mW (1/2 W) |
| Off state Output Voltage VDRM | 600 V | 600 V | 600 V |
| Maximum Continuous Output Current | 100 mA | 100 mA | 100 mA |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 100 C | + 100 C | + 100 C |
| Height | 2.7 mm | 2.7 mm | 2.7 mm |
| Length | 4.78 mm | 4.78 mm | 4.78 mm |
| Width | 6.4 mm | 6.4 mm | 6.4 mm |
| Brand | Panasonic Industrial Devices | Panasonic Industrial Devices | Panasonic Industrial Devices |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Maximum Trigger Current | 10 mA | 10 mA | 10 mA |
| Maximum Turn On Time | 100 us | 100 us | 100 us |
| Product Type | Triac & SCR Output Optocouplers | Triac & SCR Output Optocouplers | Triac & SCR Output Optocouplers |
| Factory Pack Quantity | 100 | 1000 | 1000 |
| Subcategory | Optocouplers | Optocouplers | Optocouplers |
| Zero Crossing Voltage | 15 V | 15 V | 15 V |
| On State RMS Current It RMS | - | - | 100 mA |