Parts · Transistors
2SK3557
1 circuit uses this part. Listed as: Transistor-TO-92 Inline Wide.
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 |
|---|---|---|---|---|
| 2SK3557 | 50 mA | 15 V | 0.2 W |
Used on other boards here
| Part | Vgs max | Id max | Vds | Pd | Boards |
|---|---|---|---|---|---|
| BF244A | 30 V | 50 mA | 30 V | 0.35 W | 1 |
| 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 |
| MPF4393 | 30 mA | 30 V | 0.35 W | 13 | |
| MPF102 | 7.5 V | 20 mA | 25 V | 0.35 W | 4 |
Closest by the numbers
| Part | Vgs max | Id max | Vds | Pd |
|---|---|---|---|---|
| 2SK2394 | 50 mA | 15 V | 0.2 W | |
| 2SK508 | 3.5 V | 50 mA | 15 V | 0.2 W |
| 2N6453 | 5 V | 50 mA | 20 V | 0.36 W |
| 2N6454 | 5 V | 50 mA | 20 V | 0.36 W |
| 2SK2539 | 50 mA | 15 V | 0.2 W | |
| 2SK1000 | 50 mA | 22 V | 0.25 W | |
| 2SK1001 | 50 mA | 22 V | 0.25 W | |
| 2SK321 | 50 mA | 15 V | 0.2 W |
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| 29 Boost 2SK3557 · L78L05_TO92 · LF412CP | 29 Pedals jFet Boost | Boost | Five Cats Pedals | 1590B | 1 | £4.50 | 48 |