| PartNumber | SMP3821 | SMP3823 | SMP3822 |
| Description | JFET JFET N-Channel -50V 10mA 300mW 2mW | JFET JFET N-Channel -30V 4.0mA 10Vds -1.0nA | JFET JFET N-Channel -50V 10Vds 2.0mA |
| Manufacturer | InterFET | InterFET | InterFET |
| Product Category | JFET | JFET | JFET |
| RoHS | Y | Y | Y |
| Technology | Si | Si | Si |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOT-23-3 | SOT-23-3 | SOT-23-3 |
| Transistor Polarity | N-Channel | N-Channel | N-Channel |
| Configuration | Single | Single | Single |
| Vds Drain Source Breakdown Voltage | 10 V | 10 V | 10 V |
| Vgs Gate Source Breakdown Voltage | - 50 V | - 30 V | - 50 V |
| Drain Source Current at Vgs=0 | 2.5 mA | 20 mA | 10 mA |
| Packaging | Bulk | Bulk | Bulk |
| Type | JFET | JFET | JFET |
| Brand | InterFET | InterFET | InterFET |
| Forward Transconductance Min | 1.5 mS | 3.5 mS | 3 mS |
| Gate Source Cutoff Voltage | - 4 V | - 8 V | - 6 V |
| Factory Pack Quantity | 1 | 1 | 1 |