Parts · Transistors
J201 / 2N5457
1 circuit uses this part. Listed as: TO-92 Inline Wide-large-solderpads.
Substitutes N-channel JFET
Matched on material, polarity and the limits below from the transistor parameter database. Pinouts and packages are not in that data: check the datasheet before you drop one in, and expect gain to change the sound.
This part
| Part | Vgs max | Id max | Vds | Pd |
|---|---|---|---|---|
| J201 | 1.5 V | 1 mA | 40 V | 0.625 W |
Used on other boards here
| Part | Vgs max | Id max | Vds | Pd | Boards |
|---|---|---|---|---|---|
| PN4393 | 5 mA | 40 V | 0.36 W | 1 | |
| J202 | 4 V | 4.5 mA | 40 V | 0.625 W | 2 |
| 2SK246 | 14 mA | 50 V | 0.3 W | 2 | |
| 2N5952 | 3 V | 8 mA | 30 V | 0.36 W | 14 |
| PF5102 | 1.6 V | 20 mA | 40 V | 0.625 W | 14 |
Closest by the numbers
| Part | Vgs max | Id max | Vds | Pd |
|---|---|---|---|---|
| 2N4867 | 2 V | 1.2 mA | 40 V | 0.3 W |
| 2N4868 | 3 V | 3 mA | 40 V | 0.3 W |
| 2N5902 | 4.6 V | 0.5 mA | 40 V | 0.5 W |
| 2N5903 | 4.6 V | 0.5 mA | 40 V | 0.5 W |
| 2N5904 | 4.6 V | 0.5 mA | 40 V | 0.5 W |
| 2N5905 | 4.6 V | 0.5 mA | 40 V | 0.5 W |
| 2N5906 | 4.6 V | 0.5 mA | 40 V | 0.5 W |
| 2N5907 | 4.6 V | 0.5 mA | 40 V | 0.5 W |
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| J-Buffer J201 / 2N5457 | jFet Buffer | Utility | Five Cats Pedals | — | — | £2.50 | 6 |