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| PartNumber | 2N3821 | 2N3820 | 2N3820_D26Z |
| Description | JFET JFET N-Channel -50V 10mA 300mW 2mW | JFET P-CH 20V 0.35W TO92 | JFET P-CH 20V 0.35W TO92 |
| Manufacturer | InterFET | - | Fairchild Semiconductor |
| Product Category | JFET | - | JFETs (Junction Field Effect) |
| RoHS | Y | - | - |
| Technology | Si | - | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | TO-72-4 | - | - |
| Transistor Polarity | N-Channel | - | - |
| Configuration | Single | - | - |
| Vds Drain Source Breakdown Voltage | 15 V | - | - |
| Vgs Gate Source Breakdown Voltage | - 50 V | - | - |
| Drain Source Current at Vgs=0 | 2.5 mA | - | - |
| Id Continuous Drain Current | 400 uA | - | - |
| Pd Power Dissipation | 300 mW | - | - |
| Series | 2N3821 | - | - |
| Packaging | Bulk | - | Tape & Reel (TR) |
| Type | JFET | - | - |
| Brand | InterFET | - | - |
| Forward Transconductance Min | 1500 uS | - | - |
| Gate Source Cutoff Voltage | - 4 V | - | - |
| Factory Pack Quantity | 1 | - | - |
| Package Case | - | - | TO-226-3, TO-92-3 (TO-226AA) (Formed Leads) |
| Mounting Type | - | - | Through Hole |
| Supplier Device Package | - | - | TO-92-3 |
| FET Type | - | - | P-Channel |
| Power Max | - | - | 350mW |
| Voltage Breakdown V BRGSS | - | - | 20V |
| Drain to Source Voltage Vdss | - | - | - |
| Current Drain Idss Vds Vgs=0 | - | - | 300μA @ 10V |
| Current Drain Id Max | - | - | - |
| Voltage Cutoff VGS off Id | - | - | 8V @ 10μA |
| Input Capacitance Ciss Vds | - | - | 32pF @ 10V |
| Resistance RDS On | - | - | - |