| PartNumber | IFN422 | IFN423 | IFN421 |
| Description | JFET Dual N-Ch JFET -60V 400mW 750mW -0.4Vgs | JFET Very high input impedence | JFET Dual N-Ch JFET -40V 400mW 750mW -0.4Vgs |
| Manufacturer | InterFET | InterFET | InterFET |
| Product Category | JFET | JFET | JFET |
| RoHS | Y | Y | Y |
| Technology | Si | Si | Si |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-78-8 | TO-78-8 | TO-78-8 |
| Transistor Polarity | N-Channel | N-Channel | N-Channel |
| Configuration | Dual | Dual | Dual |
| Vgs Gate Source Breakdown Voltage | - 60 V | - 60 V | - 40 V |
| Drain Source Current at Vgs=0 | 1000 uA | 1 mA | 1000 uA |
| Pd Power Dissipation | 750 mW | 400 mW | 750 mW |
| Packaging | Bulk | Bulk | Bulk |
| Type | JFET | JFET | JFET |
| Brand | InterFET | InterFET | InterFET |
| Forward Transconductance Min | 100 mS | 100 uS | 100 uS |
| Gate Source Cutoff Voltage | - 2 V | - 2 V | - 2 V |
| Factory Pack Quantity | 1 | 1 | 1 |
| Vds Drain Source Breakdown Voltage | - | 10 V | - |
| Id Continuous Drain Current | - | 30 uA | - |
| Series | - | IFN423 | - |