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| PartNumber | 2N4393 | 2N4393-E3 | 2N4393-2 |
| Description | JFET 40V N-Ch JFET 40Vgs 50mA 1.8W TO-18 | JFET RECOMMENDED ALT 106-2N4393 | MOSFET N-CH 40V .1NA TO-18 |
| Manufacturer | Central Semiconductor | Vishay | Vishay Siliconix |
| Product Category | JFET | JFET | JFETs (Junction Field Effect) |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | SMD/SMT | SMD/SMT |
| Package / Case | TO-18 | TO-206AA | - |
| Transistor Polarity | N-Channel | N-Channel | N-Channel |
| Configuration | Single | Single | Single |
| Vds Drain Source Breakdown Voltage | 40 V | - | - |
| Vgs Gate Source Breakdown Voltage | 40 V | - 40 V | - |
| Drain Source Current at Vgs=0 | 5 mA to 30 mA | - | - |
| Id Continuous Drain Current | 0.1 nA | - | - |
| Rds On Drain Source Resistance | 100 Ohms | - | - |
| Pd Power Dissipation | 1.8 W | - | - |
| Series | 2N4393 | - | - |
| Packaging | Bulk | Tube | Bulk |
| Type | JFET | JFET | - |
| Brand | Central Semiconductor | Vishay Semiconductors | - |
| Factory Pack Quantity | 2000 | 200 | - |
| Part # Aliases | 2N4393 PBFREE | - | - |
| Package Case | - | - | TO-206AA, TO-18-3 Metal Can |
| Mounting Type | - | - | Through Hole |
| Supplier Device Package | - | - | TO-206AA (TO-18) |
| FET Type | - | - | N-Channel |
| Power Max | - | - | 1.8W |
| Voltage Breakdown V BRGSS | - | - | 40V |
| Drain to Source Voltage Vdss | - | - | - |
| Current Drain Idss Vds Vgs=0 | - | - | 5mA @ 20V |
| Current Drain Id Max | - | - | - |
| Voltage Cutoff VGS off Id | - | - | 500mV @ 1nA |
| Input Capacitance Ciss Vds | - | - | 14pF @ 20V |
| Resistance RDS On | - | - | 100 Ohm |
| Vgs Gate Source Breakdown Voltage | - | - | - 40 V |