Parts · Transistors
MPF102
4 circuits use 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 |
|---|---|---|---|---|
| MPF102 | 7.5 V | 20 mA | 25 V | 0.35 W |
Used on other boards here
| Part | Vgs max | Id max | Vds | Pd | Boards |
|---|---|---|---|---|---|
| 2SK170 | 20 mA | 40 V | 0.2 W | 2 | |
| 2SK246 | 14 mA | 50 V | 0.3 W | 2 | |
| 2N5459 | 4.5 V | 16 mA | 25 V | 0.625 W | 2 |
| 2N3819 | 8 V | 50 mA | 25 V | 0.35 W | 4 |
| J113 | 50 mA | 35 V | 0.4 W | 26 | |
| J112 | 50 mA | 35 V | 0.4 W | 4 | |
| J111 | 50 mA | 35 V | 0.4 W | 1 | |
| J309 | 4 V | 30 mA | 25 V | 0.625 W | 5 |
Closest by the numbers
| Part | Vgs max | Id max | Vds | Pd |
|---|---|---|---|---|
| J211 | 20 mA | 25 V | 0.4 W | |
| 2N4224 | 7.5 V | 20 mA | 30 V | 0.3 W |
| 2SK1332 | 20 mA | 30 V | 0.15 W | |
| 2SK168 | 20 mA | 30 V | 0.2 W | |
| 2SK1806 | 20 mA | 30 V | 0.25 W | |
| 2SK198 | 20 mA | 30 V | 0.15 W | |
| 2SK606 | 20 mA | 30 V | 0.4 W | |
| 2SK662 | 20 mA | 30 V | 0.15 W |
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| Ruby Amp PCB LM386 · MPF102 | Ruby Amp | Preamp / Amp-in-a-box | Five Cats Pedals | 1590B | 2 | £4.00 | 13 | |
| Weslie 2N4401 · MPF102 | — | Vibrato / Chorus | General Guitar Gadgets | — | 4 | $14.00 out | 39 | |
| Harbinger2 2N5088 · 2N5089 · BS250 · LT1054 | Univibe in a wah shell | Distortion | Madbean | — | 3 | $15.00 | 115 | |
| Mysterioso CD4049 · MPF102 · TL072 | Blackstone Mosfet Overdrive | Distortion | Madbean | 125B | 1 | $13.00 | 51 |