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| PartNumber | 2N3954 | 2N3954A | 2N3955 |
| Description | JFET JFET Dual N-CH -50V 50mA 250mW 500mW | THROUGH-HOLE TRANSISTOR-SMALL SI | |
| Manufacturer | InterFET | - | - |
| Product Category | JFET | - | - |
| RoHS | Y | - | - |
| Technology | Si | - | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | TO-71-6 | - | - |
| Transistor Polarity | N-Channel | - | - |
| Configuration | Dual | - | - |
| Vds Drain Source Breakdown Voltage | 20 V | - | - |
| Vgs Gate Source Breakdown Voltage | - 50 V | - | - |
| Drain Source Current at Vgs=0 | 5 mA | - | - |
| Id Continuous Drain Current | 200 uA | - | - |
| Pd Power Dissipation | 250 mW | - | - |
| Series | 2N39 | - | - |
| Packaging | Bulk | - | - |
| Type | JFET | - | - |
| Brand | InterFET | - | - |
| Forward Transconductance Min | 1000 uS | - | - |
| Gate Source Cutoff Voltage | - 4.5 V | - | - |
| Factory Pack Quantity | 1 | - | - |
| Part # Aliases | IFN3954 | - | - |