Parts · Transistors
MMBFJ112
Si N-ch MOSFET SOT-23 SMD.1 circuit uses this part.
Datasheet · from onsemi.com
Substitutes N-channel MOSFET
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(th) | Id max | Vds | Pd |
|---|---|---|---|---|
| MMBFJ112 | 5 mA | 35 V | 0.35 W |
Used on other boards here
| Part | Vgs(th) | Id max | Vds | Pd | Boards |
|---|---|---|---|---|---|
| BF245A | 6.5 mA | 30 V | 0.35 W | 13 | |
| LND150N3 | 30 mA | 500 V | 0.74 W | 5 |
Closest by the numbers
| Part | Vgs(th) | Id max | Vds | Pd |
|---|---|---|---|---|
| BF545A | 6.5 mA | 30 V | 0.25 W | |
| BF556A | 7 mA | 30 V | 0.25 W | |
| BF805 | 13 mA | 30 V | 0.3 W | |
| 2N3972 | 30 mA | 40 V | 1.8 W | |
| SFT210DE | 2 V | 50 mA | 30 V | 1.2 W |
| 2SK1228 | 50 mA | 50 V | 0.15 W | |
| 2SK1374 | 50 mA | 50 V | 0.15 W | |
| 2SK1825 | 50 mA | 50 V | 0.3 W |
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| Riptide Spring Reverb True Analog Spring Reverb MMBFJ112 · MMBFJ201 · NE5532 · NE5532N 1590XX | — | Reverb | Scientific Guitarist | 1590XX | 4 | — | 66 |