| PartNumber | K3021P | K3020PG | K3020P |
| Description | Triac & SCR Output Optocouplers Phototriac Output | Triac & SCR Output Optocouplers Phototriac Output Non-Zero Crossing | Triac & SCR Output Optocouplers Phototriac Output |
| Manufacturer | Vishay | Vishay | Vishay |
| Product Category | Triac & SCR Output Optocouplers | Triac & SCR Output Optocouplers | Triac & SCR Output Optocouplers |
| RoHS | Y | Y | Y |
| Package / Case | DIP-6 | DIP-6 | DIP-6 |
| Zero Crossing Circuit | Without Zero-Crossing Circuit | Without Zero-Crossing Circuit | Without Zero-Crossing Circuit |
| Output Type | PhotoTriac | PhotoTriac | PhotoTriac |
| Number of Channels | 1 Channel | 1 Channel | 1 Channel |
| Isolation Voltage | 3750 Vrms | 3750 Vrms | 3750 Vrms |
| If Forward Current | 50 mA | 80 mA | 50 mA |
| Vf Forward Voltage | 1.25 V | 1.25 V | 1.25 V |
| Pd Power Dissipation | 350 mW | 350 mW | 350 mW |
| Off state Output Voltage VDRM | 400 V | 400 V | 400 V |
| Maximum Continuous Output Current | 100 mA | 100 mA | 100 mA |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Tube | Tube |
| Height | 4.2 mm | 4.2 mm | 4.2 mm |
| Length | 8.8 mm | 8.8 mm | 8.8 mm |
| Width | 6.4 mm | 6.4 mm | 6.4 mm |
| Brand | Vishay Semiconductors | Vishay Semiconductors | Vishay Semiconductors |
| Mounting Style | Through Hole | - | Through Hole |
| Maximum Trigger Current | 15 mA | 15 mA | 30 mA |
| Product Type | Triac & SCR Output Optocouplers | Triac & SCR Output Optocouplers | Triac & SCR Output Optocouplers |
| Factory Pack Quantity | 2000 | 2000 | 2000 |
| Subcategory | Optocouplers | Optocouplers | Optocouplers |
| Unit Weight | 0.017637 oz | - | 0.017637 oz |