Parts · Transistors
MMBFJ201
4 circuits use this part.
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 |
|---|---|---|---|---|
| MMBFJ201 | 1.5 V | 1 mA | 40 V | 0.35 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 |
| 2SK170 | 20 mA | 40 V | 0.2 W | 2 | |
| 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 |
| 2SK2091 | 5 mA | 30 V | 0.15 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 |
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| Simple JFET Buffer (SMD) MMBFJ201 | — | Utility | PedalPCB | 125B | — | $0.50 | 6 | |
| DayJ ICL7660S · MMBFJ201 · TL072CP | Limetone Audio Jackal | Distortion | Sheepylove | 1590BB2 | 10 | €15.00 | 87 | |
| Perplexed MMBFJ201 | Wampler Plexi Tone | Distortion | Sheepylove | — | 7 | €10.00 | 31 | |
| Stein Adler MMBFJ201 | Colombo Plexi Breed with slight mods by Celestial Engineering | Overdrive | Sheepylove | — | 7 | €10.00 | 49 |